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Identification

Personal identification

Full name
Santiago González-Gaitán

Author identifiers

Ciência ID
FB18-198F-3586
ORCID iD
0000-0001-9541-0317
Education
Degree Classification
2006/01/11 - 2011/11/11
Concluded
 Doctorate in Astronomy and Astrophysics (Doctor of Philosophy)
University of Toronto Astronomy and Astrophysics Library, Canada
"SUPERNOVA RATES, RISE-TIMES, AND THEIR RELATIONS TO PROGENITORS" (THESIS/DISSERTATION)
2003/08/01 - 2005/12/01
Concluded
 Physics (Magister)
Universidad de los Andes Facultad de Ciencias, Colombia
"Test of Diffractive Models at the Tevatron" (THESIS/DISSERTATION)
1999/08/01 - 2003/07/01
Concluded
 Physics (Bachelor)
Universidad de los Andes Facultad de Ciencias, Colombia
"Study of the Evidences provided by Supernovae Type Ia for a Universe governed by Dark Energy" (THESIS/DISSERTATION)
 Honours degree (4.5/5)
Affiliation

Science

Category
Host institution 		Employer
2017/06/01 - Current Contracted Researcher (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico, Portugal
2015/08/01 - 2017/05/31 Researcher (Research) Centro de Modelamiento Matemático, Chile
Centro de Modelamiento Matemático, Chile
2012/08/01 - 2015/07/31 Researcher (Research) Universidad de Chile Departamento de Astronomía, Chile
Universidad de Chile Departamento de Astronomía, Chile
2011/08/01 - 2012/07/31 Postdoc (Research) Universidad de Chile Departamento de Astronomía, Chile
Universidad de Chile Departamento de Astronomía, Chile
Projects

Grant

Designation Funders
2019/12/01 - 2023/12/01 Polarimetric studies of galaxies
PD/BD/150487/2019
Supervisor
Universidade de Lisboa Instituto Superior Técnico, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing
2020/01/01 - 2022/12/31 Comprehensive study of dust extinction in nearby galaxies
FCT 5581
Principal investigator
Universidade de Lisboa Instituto Superior Técnico, Portugal

Astronomska opservatorija, Serbia
Fundação para a Ciência e a Tecnologia

Astronomska opservatorija
Concluded
2022/06/01 - 2022/07/01 Dust extinction tracers in nearby supernovae and their environments
FINCA visitor program
Co-Principal Investigator (Co-PI)
Instituto Superior Técnico Departamento de Física, Portugal

Finnish Centre for Astronomy with ESO, Finland
Finnish Centre for Astronomy with ESO
Concluded

Contract

Designation Funders
2018/09/01 - 2022/08/31 Correcting Reddening Intelligently for cosmological Supernova Probes
PTDC/FIS-AST/31546/2017
Research Fellow
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Conference paper
  1. Kennamer, Noble; Ishida, Emille E. O.; Gonzalez-Gaitan, Santiago; Souza, Rafael S. de; Ihler, Alexander; Ponder, Kara; Vilalta, Ricardo; et al. "Active learning with RESSPECT: Resource allocation for extragalactic astronomical transients". 2020.
    10.1109/ssci47803.2020.9308300
  2. Moon, Dae-Sik; Kim, Sang Chul; Lee, Jae-Joon; Pak, Mina; Park, Hong Soo; He, Matthias Y.; Antoniadis, John; et al. "Supernova and optical transient observations using the three wide-field telescope array of the KMTNet". Paper presented in SPIE, 2016.
    10.1117/12.2233921
  3. Santiago González-Gaitán; Filomena Bufano. "Photometric typing of normal and peculiar type Ia supernovae". Lisbon, 2014.
    10.1017/s1743921314010862
  4. González-Gaitán, Santiago. "Spectral analysis of type II Supernovae". Paper presented in Latin American Regional IAU Meeting 2013, Florianopolis, 2013.
    Published
  5. González-Gaitán, Santiago. "Photometric Subluminous Type Ia Supernovae.". Paper presented in LARIM - Latin American IAU Regional Conference 2013, Florianopolis, 2013.
  6. González-Gaitán, Santiago. "Subluminous Type Ia Supernovae in the Supernova Legacy Survey". Paper presented in AAS meeting, Seattle, 2007.
Journal article
  1. Santiago González-Gaitán; Claudia P. Gutiérrez; Joseph P. Anderson; Antonia Morales-Garoffolo; Lluis Galbany; Sabyasachi Goswami; Ana M. Mourão; Seppo Mattila; Mark Sullivan. "Narrow absorption lines from intervening material in supernovae". Astronomy & Astrophysics (2024): https://doi.org/10.1051/0004-6361/202348818.
    10.1051/0004-6361/202348818
  2. Pessi, T.; Prieto, J. L.; Anderson, J. P.; Galbany, L.; Lyman, J. D.; Kochanek, C.; Dong, S.; et al. "A characterization of ASAS-SN core-collapse supernova environments with VLT+MUSE. I. Sample selection, analysis of local environments, and correlations with light curve properties". Astronomy and Astrophysics (2023):
    10.1051/0004-6361/202346512
  3. P J Pessi; J P Anderson; G Folatelli; L Dessart; S González-Gaitán; A Möller; C P Gutiérrez; et al. "Broad-emission-line dominated hydrogen-rich luminous supernovae". Monthly Notices of the Royal Astronomical Society (2023): https://doi.org/10.1093/mnras/stad1822.
    10.1093/mnras/stad1822
  4. Yuan Qi Ni; Dae-Sik Moon; Maria R. Drout; Abigail Polin; David J. Sand; Santiago González-Gaitán; Sang Chul Kim; et al. "The Origin and Evolution of the Normal Type Ia SN 2018aoz with Infant-phase Reddening and Excess Emission". The Astrophysical Journal (2023): https://doi.org/10.3847/1538-4357/aca9be.
    10.3847/1538-4357/aca9be
  5. Marko Stalevski; Santiago González-Gaitán; Ðorde Savic; Makoto Kishimoto; Ana Mourão; Enrique Lopez-Rodriguez; Daniel Asmus. "Dissecting the active galactic nucleus in Circinus – III. VLT/FORS2 polarimetry confirms dusty cone illuminated by a tilted accretion disc". Monthly Notices of the Royal Astronomical Society (2023): https://doi.org/10.1093/mnras/stac3753.
    10.1093/mnras/stac3753
  6. Smole, Majda; Rino-Silvestre, João; González-Gaitán, Santiago; Stalevski, Marko. "Spatial field reconstruction with INLA. Application to simulated galaxies". Astronomy and Astrophysics (2023):
    10.1051/0004-6361/202244481
  7. Rino-Silvestre, João; González-Gaitán, Santiago; Stalevski, Marko; Smole, Majda; Guilherme-Garcia, Pedro; Carvalho, Joao Paulo; Mourão, Ana Maria. "EmulART: Emulating radiative transfer—a pilot study on autoencoder-based dimensionality reduction for radiative transfer models". Neural Computing and Applications 35 10 (2022): 7719-7760. http://dx.doi.org/10.1007/s00521-022-08071-x.
    Published • 10.1007/s00521-022-08071-x
  8. Paulino-Afonso, Ana; González-Gaitán, Santiago; Galbany, Lluís; Maria Mourão, Ana; Angus, Charlotte R.; Smith, Mathew; Anderson, Joseph P.; et al. "Systematic errors on optical-SED stellar-mass estimates for galaxies across cosmic time and their impact on cosmology". Astronomy and Astrophysics (2022):
    10.1051/0004-6361/202142577
  9. L. Martinez; M. C. Bersten; J. P. Anderson; M. Hamuy; S. González-Gaitán; M. Stritzinger; M. M. Phillips; et al. "Type II supernovae from the Carnegie Supernova Project-I". Astronomy & Astrophysics 660 (2022): A40-A40. https://doi.org/10.1051/0004-6361/202142075.
    10.1051/0004-6361/202142075
  10. L. Martinez; J. P. Anderson; M. C. Bersten; M. Hamuy; S. González-Gaitán; M. Orellana; M. Stritzinger; et al. "Type II supernovae from the Carnegie Supernova Project-I". Astronomy & Astrophysics 660 (2022): A42-A42. https://doi.org/10.1051/0004-6361/202142555.
    10.1051/0004-6361/202142555
  11. L. Martinez; M. C. Bersten; J. P. Anderson; M. Hamuy; S. González-Gaitán; F. Förster; M. Orellana; et al. "Type II supernovae from the Carnegie Supernova Project-I". Astronomy & Astrophysics 660 (2022): A41-A41. https://doi.org/10.1051/0004-6361/202142076.
    10.1051/0004-6361/202142076
  12. Lluís Galbany; Mat Smith; Salvador Duarte Puertas; Santiago González-Gaitán; Ismael Pessa; Masao Sako; Jorge Iglesias-Páramo; et al. "Aperture-corrected spectroscopic type Ia supernova host galaxy properties". Astronomy & Astrophysics 659 (2022): A89-A89. https://doi.org/10.1051/0004-6361/202141568.
    10.1051/0004-6361/202141568
  13. Yuan Qi Ni; Dae-Sik Moon; Maria R. Drout; Abigail Polin; David J. Sand; Santiago González-Gaitán; Sang Chul Kim; et al. "Infant-phase reddening by surface Fe-peak elements in a normal type Ia supernova". Nature Astronomy (2022): https://doi.org/10.1038/s41550-022-01603-4.
    10.1038/s41550-022-01603-4
  14. Prentice, S. J.; Inserra, C.; Schulze, S.; Nicholl, M.; Mazzali, P. A.; Vergani, S. D.; Galbany, L.; et al. "Transitional events in the spectrophotometric regime between stripped envelope and superluminous supernovae". Monthly Notices of the Royal Astronomical Society (2021):
    10.1093/mnras/stab2864
  15. Wang, Qinan; Rest, Armin; Zenati, Yossef; Ridden-Harper, Ryan; Dimitriadis, Georgios; Narayan, Gautham; Villar, V. Ashley; et al. "SN 2018agk: A Prototypical Type Ia Supernova with a Smooth Power-law Rise in Kepler (K2)". The Astrophysical Journal (2021):
    10.3847/1538-4357/ac2c84
  16. S González-Gaitán; T de Jaeger; L Galbany; A Mourão; A Paulino-Afonso; A V Filippenko. "The effects of varying colour–luminosity relations on Type Ia supernova science". Monthly Notices of the Royal Astronomical Society (2021): https://doi.org/10.1093/mnras/stab2802.
    10.1093/mnras/stab2802
  17. M Grayling; C P Gutiérrez; M Sullivan; P Wiseman; M Vincenzi; S González-Gaitán; B E Tucker; et al. "Understanding the extreme luminosity of DES14X2fna". Monthly Notices of the Royal Astronomical Society 505 3 (2021): 3950-3967. https://doi.org/10.1093/mnras/stab1478.
    10.1093/mnras/stab1478
  18. Dae-Sik Moon; Yuan Qi Ni; Maria R. Drout; Santiago González-Gaitán; Niloufar Afsariardchi; Hong Soo Park; Youngdae Lee; et al. "Rapidly Declining Hostless Type Ia Supernova KSP-OT-201509b from the KMTNet Supernova Program: Transitional Nature and Constraint on 56Ni Distribution and Progenitor Type". The Astrophysical Journal (2021): https://doi.org/10.3847/1538-4357/abe466.
    10.3847/1538-4357/abe466
  19. Moriya, Takashi J.; Jiang, Ji-an; Yasuda, Naoki; Kokubo, Mitsuru; Kawana, Kojiro; Maeda, Keiichi; Pan, Yen-Chen; et al. "Constraints on the Rate of Supernovae Lasting for More Than a Year from Subaru/Hyper Suprime-Cam". The Astrophysical Journal (2021):
    10.3847/1538-4357/abcfc0
  20. Perrefort, Daniel; Zhang, Yike; Galbany, Lluís; Wood-Vasey, W. M.; González-Gaitán, Santiago. "A Template-based Approach to the Photometric Classification of SN 1991bg-like Supernovae in the SDSS-II Supernova Survey". The Astrophysical Journal (2020):
    10.3847/1538-4357/abbefc
  21. Smith, M.; D'Andrea, C. B.; Sullivan, M.; Möller, A.; Nichol, R. C.; Thomas, R. C.; Kim, A. G.; et al. "First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy". The Astronomical Journal (2020):
    10.3847/1538-3881/abc01b
  22. Wang, Lingzhi; Contreras, Carlos; Hu, Maokai; Hamuy, Mario A.; Hsiao, Eric Y.; Sand, David J.; Anderson, Joseph P.; et al. "Optical and Near-infrared Observations of the Nearby SN Ia 2017cbv". The Astrophysical Journal (2020):
    10.3847/1538-4357/abba82
  23. Ackley, K.; Amati, L.; Barbieri, C.; Bauer, F. E.; Benetti, S.; Bernardini, M. G.; Bhirombhakdi, K.; et al. "Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger candidate S190814bv". Astronomy and Astrophysics (2020):
    10.1051/0004-6361/202037669
  24. Nicholl, M.; Wevers, T.; Oates, S. R.; Alexander, K. D.; Leloudas, G.; Onori, F.; Jerkstrand, A.; et al. "An outflow powers the optical rise of the nearby, fast-evolving tidal disruption event AT2019qiz". Monthly Notices of the Royal Astronomical Society (2020):
    10.1093/mnras/staa2824
  25. C P Gutiérrez; A Pastorello; A Jerkstrand; L Galbany; M Sullivan; J P Anderson; S Taubenberger; et al. "SN 2017ivv: two years of evolution of a transitional Type II supernova". Monthly Notices of the Royal Astronomical Society (2020): https://doi.org/10.1093/mnras/staa2763.
    10.1093/mnras/staa2763
  26. Martinez, L.; Bersten, M. C.; Anderson, J. P.; González-Gaitán, S.; Förster, F.; Folatelli, G.. "Progenitor properties of type II supernovae: fitting to hydrodynamical models using Markov chain Monte Carlo methods". Astronomy and Astrophysics (2020):
    10.1051/0004-6361/202038393
  27. Tomás E Müller-Bravo; Claudia P Gutiérrez; Mark Sullivan; Anders Jerkstrand; Joseph P Anderson; Santiago González-Gaitán; Jesper Sollerman; et al. "The low-luminosity Type II SN 2016aqf: a well-monitored spectral evolution of the Ni/Fe abundance ratio". Monthly Notices of the Royal Astronomical Society (2020): https://doi.org/10.1093/mnras/staa1932.
    10.1093/mnras/staa1932
  28. T de Jaeger; L Galbany; S González-Gaitán; R Kessler; A V Filippenko; F Förster; M Hamuy; et al. "Studying Type II supernovae as cosmological standard candles using the Dark Energy Survey". Monthly Notices of the Royal Astronomical Society 495 4 (2020): 4860-4892. https://doi.org/10.1093/mnras/staa1402.
    10.1093/mnras/staa1402
  29. Gutiérrez, C. P.; Sullivan, M.; Martinez, L.; Bersten, M. C.; Inserra, C.; Smith, M.; Anderson, J. P.; et al. "DES16C3cje: A low-luminosity, long-lived supernova". Monthly Notices of the Royal Astronomical Society (2020):
    10.1093/mnras/staa1452
  30. Peña, J.; Fuentes, C.; Förster, F.; Martínez-Palomera, J.; Cabrera-Vives, G.; Maureira, J. C.; Huijse, P.; et al. "Asteroids' Size Distribution and Colors from HITS". The Astronomical Journal (2020):
    10.3847/1538-3881/ab7338
  31. S. González-Gaitán; A. M. Mourão; F. Patat; J. P. Anderson; A. Cikota; K. Wiersema; A. B. Higgins; K. Silva. "Tips and tricks in linear imaging polarimetry of extended sources with FORS2 at the VLT". Astronomy & Astrophysics 634 (2020): A70-A70. https://doi.org/10.1051/0004-6361/201936379.
    10.1051/0004-6361/201936379
  32. Galbany, L.; Ashall, C.; Höflich, P.; González-Gaitán, S.; Taubenberger, S.; Stritzinger, M.; Hsiao, E. Y.; et al. "Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk". Astronomy and Astrophysics (2019):
    10.1051/0004-6361/201935537
  33. Moriya, Takashi J.; Tanaka, Masaomi; Morokuma, Tomoki; Pan, Yen-Chen; Quimby, Robert M.; Jiang, Ji-an; Kawana, Kojiro; et al. "HSC16aayt: A Slowly Evolving Interacting Transient Rising for More than 100 Days". The Astrophysical Journal (2019):
    10.3847/1538-4357/ab2f80
  34. Kessler, R.; Narayan, G.; Avelino, A.; Bachelet, E.; Biswas, R.; Brown, P. J.; Chernoff, D. F.; et al. "Models and Simulations for the Photometric LSST Astronomical Time Series Classification Challenge (PLAsTiCC)". Publications of the Astronomical Society of the Pacific (2019):
    10.1088/1538-3873/ab26f1
  35. Afsariardchi, Niloufar; Moon, Dae-Sik; Drout, Maria R.; González-Gaitán, Santiago; Ni, Yuan Qi; Matzner, Christopher D.; Kim, Sang Chul; et al. "KSP-SN-2016kf: A Long-rising H-rich Type II Supernova with Unusually High 56Ni Mass Discovered in the KMTNet Supernova Program". The Astrophysical Journal (2019):
    10.3847/1538-4357/ab2be6
  36. Macaulay, E.; Nichol, R. C.; Bacon, D.; Brout, D.; Davis, T. M.; Zhang, B.; Bassett, B. A.; et al. "First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant". Monthly Notices of the Royal Astronomical Society (2019):
    10.1093/mnras/stz978
  37. Moriya, Takashi J.; Tanaka, Masaomi; Yasuda, Naoki; Jiang, Ji-an; Lee, Chien-Hsiu; Maeda, Keiichi; Morokuma, Tomoki; et al. "First Release of High-Redshift Superluminous Supernovae from the Subaru HIgh-Z SUpernova CAmpaign (SHIZUCA). I. Photometric Properties". The Astrophysical Journal Supplement Series (2019):
    10.3847/1538-4365/ab07c5
  38. E E O Ishida; R Beck; S González-Gaitán; R S de Souza; A Krone-Martins; J W Barrett; N Kennamer; et al. "Optimizing spectroscopic follow-up strategies for supernova photometric classification with active learning". Monthly Notices of the Royal Astronomical Society (2019): https://doi.org/10.1093/mnras/sty3015.
    10.1093/mnras/sty3015
  39. Abbott, T. M. C.; Allam, S.; Andersen, P.; Angus, C.; Asorey, J.; Avelino, A.; Avila, S.; et al. "First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters". The Astrophysical Journal (2019):
    10.3847/2041-8213/ab04fa
  40. Hsiao, E. Y.; Phillips, M. M.; Marion, G. H.; Kirshner, R. P.; Morrell, N.; Sand, D. J.; Burns, C. R.; et al. "Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program". Publications of the Astronomical Society of the Pacific (2019):
    10.1088/1538-3873/aae961
  41. Jorge Martínez-Palomera; Francisco Förster; Pavlos Protopapas; Juan Carlos Maureira; Paulina Lira; Guillermo Cabrera-Vives; Pablo Huijse; et al. "The High Cadence Transit Survey (HiTS): Compilation and Characterization of Light-curve Catalogs". The Astronomical Journal (2018): https://doi.org/10.3847/1538-3881/aadfd8.
    10.3847/1538-3881/aadfd8
  42. Förster, F.; Moriya, T. J.; Maureira, J. C.; Anderson, J. P.; Blinnikov, S.; Bufano, F.; Cabrera-Vives, G.; et al. "The delay of shock breakout due to circumstellar material evident in most type II supernovae". Nature Astronomy (2018):
    10.1038/s41550-018-0563-4
  43. Gutiérrez, C. P.; Anderson, J. P.; Sullivan, M.; Dessart, L.; González-Gaitan, S.; Galbany, L.; Dimitriadis, G.; et al. "Type II supernovae in low-luminosity host galaxies". Monthly Notices of the Royal Astronomical Society (2018):
    10.1093/mnras/sty1581
  44. Anderson, J. P.; Dessart, L.; Gutiérrez, C. P.; Krühler, T.; Galbany, L.; Jerkstrand, A.; Smartt, S. J.; et al. "The lowest-metallicity type II supernova from the highest-mass red supergiant progenitor". Nature Astronomy (2018):
    10.1038/s41550-018-0458-4
  45. Elias-Rosa, Nancy; Van Dyk, Schuyler D.; Benetti, Stefano; Cappellaro, Enrico; Smith, Nathan; Kotak, Rubina; Turatto, Massimo; et al. "The Type IIn Supernova SN 2010bt: The Explosion of a Star in Outburst". The Astrophysical Journal (2018):
    10.3847/1538-4357/aac510
  46. Peña, J.; Fuentes, C.; Förster, F.; Maureira, J. C.; San Martín, J.; Littín, J.; Huijse, P.; et al. "Asteroids in the High Cadence Transient Survey". The Astronomical Journal 155 1 (2018): 135. https://ui.adsabs.harvard.edu/#abs/2018AJ....155..135P.
    Published • 10.3847/1538-3881/aaaaed
  47. Galbany, L.; Anderson, J. P.; Sánchez, S. F.; Kuncarayakti, H.; Pedraz, S.; González-Gaitán, S.; Stanishev, V.; et al. "PISCO: The PMAS/PPak Integral-field Supernova Hosts Compilation". The Astrophysical Journal (2018):
    10.3847/1538-4357/aaaf20
  48. González-Gaitán, S.; de Souza, R. S.; Krone-Martins, A.; Cameron, E.; Coelho, P.; Galbany, L.; Ishida, E. E. O.; et al. "Spatial field reconstruction with INLA: Application to IFU galaxy data". Monthly Notices of the Royal Astronomical Society 482 3 (2018): 3880-3891. https://ui.adsabs.harvard.edu/#abs/2018arXiv180206280G.
    10.1093/mnras/sty2881
  49. Galbany, L.; Anderson, J. P.; Sánchez, S. F.; Kuncarayakti, H.; Pedraz, S.; González-Gaitán, S.; Stanishev, V.; et al. "PISCO: The Pmas/ppak Integral-field Supernova hosts COmpilation". The Astrophysical Journal 855 2 (2018): 107. 10.3847/1538-4357/aaaf20.
    Published
  50. de Jaeger, T.; Anderson, J. P.; Galbany, L.; González-Gaitán, S.; Hamuy, M.; Phillips, M. M.; Stritzinger, M. D.; et al. "Observed Type II supernova colours from the Carnegie Supernova Project-I". Monthly Notices of the Royal Astronomical Society (2018): https://ui.adsabs.harvard.edu/#abs/2018arXiv180207254D.
    10.1093/mnras/sty508
  51. Smith, M.; Sullivan, M.; Nichol, R. C. ; Galbany, L.; D'Andrea, C. B. ; Inserra, C.; Lidman, C.; Rest, A. ; et al.. "Studying the Ultraviolet Spectrum of the First Spectroscopically Confirmed Supernova at Redshift Two". The Astrophysical Journal 854 1 (2018): 37.
    Published • 10.3847/1538-4357/aaa126
  52. Medina, Gustavo E.; Muñoz, Ricardo R.; Vivas, A. Katherina; Carlin, Jeffrey L.; Förster, Francisco; Martínez, Jorge; Galbany, Lluís; et al. "Discovery of distant RR Lyrae stars in the Milky Way using DECam". The Astrophysical Journal 855 1 (2018): 43. 10.3847/1538-4357/aaad02.
    Published • 10.3847/1538-4357/aaad02
  53. Moriya, Takashi J.; Tanaka, Masaomi; Yasuda, Naoki; Jiang, Ji-an; Lee, Chien-Hsiu; Maeda, Keiichi; Morokuma, Tomoki; et al. "First release of high-redshift superluminous supernovae from the Subaru HIgh-Z sUpernova CAmpaign (SHIZUCA). I. Photometric properties". (2018): https://ui.adsabs.harvard.edu/#abs/2018arXiv180108240M.
  54. Moreno-Raya, M. E.; Galbany, L.; López-Sánchez, Á. R. ; Mollá, M.; González-Gaitán, S.; Vílchez, J. M. ; Carnero, A.. "Elemental gas-phase abundances of intermediate redshift type Ia supernova star-forming host galaxies". Monthly Notices of the Royal Astronomical Society 476 1 (2018): 307-322.
    Published • 10.1093/mnras/sty185
  55. Claudia P. Gutiérrez; Joseph P. Anderson; Mario Hamuy; Nidia Morrell; Santiago González-Gaitan; Maximilian D. Stritzinger; Mark M. Phillips; et al. "Type II Supernova Spectral Diversity. I. Observations, Sample Characterization, and Spectral Line Evolution". The Astrophysical Journal 850 1 (2017): 89-89. https://doi.org/10.3847%2F1538-4357%2Faa8f52.
    10.3847/1538-4357/aa8f52
  56. Claudia P. Gutiérrez; Joseph P. Anderson; Mario Hamuy; Santiago González-Gaitan; Lluis Galbany; Luc Dessart; Maximilian D. Stritzinger; et al. "Type II Supernova Spectral Diversity. II. Spectroscopic and Photometric Correlations". The Astrophysical Journal 850 1 (2017): 90-90. https://doi.org/10.3847%2F1538-4357%2Faa8f42.
    10.3847/1538-4357/aa8f42
  57. S. J. Smartt; Chen, T. -W. ; Jerkstrand, A. ; Coughlin, M. ; Kankare, E. ; Sim, S. A. ; Fraser, M. ; et al.. "A kilonova as the electromagnetic counterpart to a gravitational-wave source". Nature 551 7678 (2017): 75-79. 10.1038/nature24303.
    Published • 10.1038/nature24303
  58. Abbott, B. P. ; Abbott, R. ; Abbott, T. D. ; Acernese, F. ; Ackley, K. ; Adams, C. ; Adams, T. ; Addesso, P. ; et al.. "Multi-messenger Observations of a Binary Neutron Star Merger". The Astrophysical Journal Letters 848 2 (2017): L12. 10.3847/2041-8213/aa91c9.
    Published • 10.3847/2041-8213/aa91c9
  59. Pan, Y. -C. ; Foley, R. J. ; Smith, M. ; Galbany, L. ; D'Andrea, C. B. ; González-Gaitán, S. ; Jarvis, M. J. ; et al.. "DES15E2mlf: a spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang". Monthly Notices of the Royal Astronomical Society 470 4 (2017): 4241. 10.1093/mnras/stx1467.
    Published • 10.1093/mnras/stx1467
  60. T. de Jaeger; L. Galbany; A. V. Filippenko; S. González-Gaitán; N. Yasuda; K. Maeda; M. Tanaka; et al. "SN 2016jhj at redshift 0.34: extending the Type II supernova Hubble diagram using the standard candle method". Monthly Notices of the Royal Astronomical Society 472 4 (2017): 4233-4243. https://doi.org/10.1093%2Fmnras%2Fstx2300.
    10.1093/mnras/stx2300
  61. Gustavo E. Medina; Ricardo R. Muñoz; A. Katherina Vivas; Francisco Förster; Jeffrey L. Carlin; Jorge Martinez; Lluis Galbany; et al. "Serendipitous Discovery of RR Lyrae Stars in the Leo V Ultra-faint Galaxy". The Astrophysical Journal 845 1 (2017): L10-L10. https://doi.org/10.3847/2041-8213/aa821e.
    10.3847/2041-8213/aa821e
  62. L. Galbany; L. Mora; S. González-Gaitán; A. Bolatto; H. Dannerbauer; Á. R. López-Sánchez; K. Maeda; et al. "Molecular gas in supernova local environments unveiled by EDGE". Monthly Notices of the Royal Astronomical Society 468 1 (2017): 628-644. https://doi.org/10.1093%2Fmnras%2Fstx367.
    10.1093/mnras/stx367
  63. P. Zelaya; A. Clocchiatti; D. Baade; P. Höflich; J. Maund; F. Patat; J. R. Quinn; et al. "Continuum Foreground Polarization and Na i Absorption in Type Ia SNe". The Astrophysical Journal 836 1 (2017): 88-88. https://doi.org/10.3847%2F1538-4357%2F836%2F1%2F88.
    10.3847/1538-4357/836/1/88
  64. T. de Jaeger; S. González-Gaitán; M. Hamuy; L. Galbany; J. P. Anderson; M. M. Phillips; M. D. Stritzinger; et al. "A Type II Supernova Hubble Diagram from the CSP-I, SDSS-II, and SNLS Surveys". The Astrophysical Journal 835 2 (2017): 166-166. https://doi.org/10.3847%2F1538-4357%2F835%2F2%2F166.
    10.3847/1538-4357/835/2/166
  65. F. Förster; J. C. Maureira; J. San Martín; M. Hamuy; J. Martínez; P. Huijse; G. Cabrera; et al. "THE HIGH CADENCE TRANSIENT SURVEY (HITS). I. SURVEY DESIGN AND SUPERNOVA SHOCK BREAKOUT CONSTRAINTS". The Astrophysical Journal 832 2 (2016): 155-155. https://doi.org/10.3847%2F0004-637x%2F832%2F2%2F155.
    10.3847/0004-637x/832/2/155
  66. Claudia P. Gutiérrez; Santiago González-Gaitán; Gastón Folatelli; Giuliano Pignata; Joseph P. Anderson; Mario Hamuy; Nidia Morrell; et al. "Supernova 2010ev: A reddened high velocity gradient type Ia supernova". Astronomy & Astrophysics 590 (2016): A5-A5. https://doi.org/10.1051%2F0004-6361%2F201527228.
    10.1051/0004-6361/201527228
  67. Galbany, Lluís ; Hamuy, Mario ; Phillips, Mark M. ; Suntzeff, Nicholas B. ; Maza, José ; de Jaeger, Thomas ; Moraga, Tan. "UBVRIz Light Curves of 51 Type II Supernovae". The Astronomical Journal 151 2 (2016): 33. 10.3847/0004-6256/151/2/33.
    Published • 10.3847/0004-6256/151/2/33
  68. Smith, M. ; Sullivan, M. ; D'Andrea, C. B. ; Castander, F. J. ; Casas, R. ; Prajs, S. ; Papadopoulos, A. ; Nichol, R. C.. "DES14X3taz: A Type I Superluminous Supernova Showing a Luminous, Rapidly Cooling Initial Pre-peak Bump". The Astrophysical Journal Letters 818 1 (2016): L8. 10.3847/2041-8205/818/1/L8.
    Published • 10.3847/2041-8205/818/1/L8
  69. E. E. E. Gall; J. Polshaw; R. Kotak; A. Jerkstrand; B. Leibundgut; D. Rabinowitz; J. Sollerman; et al. "A comparative study of Type II-P and II-L supernova rise times as exemplified by the case of LSQ13cuw". Astronomy & Astrophysics 582 (2015): A3-A3. https://doi.org/10.1051%2F0004-6361%2F201525868.
    10.1051/0004-6361/201525868
  70. T. de Jaeger; J. P. Anderson; G. Pignata; M. Hamuy; E. Kankare; M. D. Stritzinger; S. Benetti; et al. "SN 2011A: A LOW-LUMINOSITY INTERACTING TRANSIENT WITH A DOUBLE PLATEAU AND STRONG SODIUM ABSORPTION". The Astrophysical Journal 807 1 (2015): 63-63. https://doi.org/10.1088%2F0004-637x%2F807%2F1%2F63.
    10.1088/0004-637x/807/1/63
  71. Smartt, S. J. ; Valenti, S. ; Fraser, M. ; Inserra, C. ; Young, D. R. ; Sullivan, M. ; Pastorello, A.; et al.. "PESSTO: survey description and products from the first data release by the Public ESO Spectroscopic Survey of Transient Objects". Astronomy & Astrophysics 579 1 (2015): A40. 10.1051/0004-6361/201425237.
    Published • 10.1051/0004-6361/201425237
  72. H. Kuncarayakti; K. Maeda; M. C. Bersten; G. Folatelli; N. Morrell; E. Y. Hsiao; S. González-Gaitán; et al. "Nebular phase observations of the Type-Ib supernova iPTF13bvn favour a binary progenitor". Astronomy & Astrophysics 579 (2015): A95-A95. https://doi.org/10.1051%2F0004-6361%2F201425604.
    10.1051/0004-6361/201425604
  73. S. Gonzalez-Gaitan; N. Tominaga; J. Molina; L. Galbany; F. Bufano; J. P. Anderson; C. Gutierrez; et al. "The rise-time of Type II supernovae". Monthly Notices of the Royal Astronomical Society 451 2 (2015): 2212-2229. https://doi.org/10.1093%2Fmnras%2Fstv1097.
    10.1093/mnras/stv1097
  74. Hsiao, E. Y. ; Burns, C. R.; Contreras, C. ; Höflich, P. ; Sand, D. ; Marion, G. H. ; Phillips, M. M. ; et al.. "Strong near-infrared carbon in the Type Ia supernova iPTF13ebh". Astronomy & Astrophysics 578 1 (2015): A9. 10.1051/0004-6361/201425297.
    Published • 10.1051/0004-6361/201425297
  75. Sebastián Marino; Santiago González-Gaitán; Francisco Förster; Gastón Folatelli; Mario Hamuy; Eric Hsiao. "SEARCHING FOR LIGHT ECHOES DUE TO CIRCUMSTELLAR MATTER IN SNe Ia SPECTRA". The Astrophysical Journal 806 1 (2015): 134-134. https://doi.org/10.1088%2F0004-637x%2F806%2F1%2F134.
    10.1088/0004-637x/806/1/134
  76. Anderson, J. P. ; James, P. A. ; Förster, F. ; González-Gaitán, S.; Habergham, S. M. ; Hamuy, M. ; Lyman, J. D.. "On the environments of Type Ia supernovae within host galaxies". Monthly Notices of the Royal Astronomical Society 448 1 (2015): 732-753. 10.1093/mnras/stu2712.
    Published • 10.1093/mnras/stu2712
  77. L. Galbany; J. P. Anderson; F. F Rosales-Ortega; H. Kuncarayakti; T. Krühler; S. F. Sánchez; J. Falcón-Barroso; et al. "Characterizing the environments of supernovae with MUSE". Monthly Notices of the Royal Astronomical Society 455 4 (2015): 4087-4099. https://doi.org/10.1093%2Fmnras%2Fstv2620.
    10.1093/mnras/stv2620
  78. T. de Jaeger; S. González-Gaitán; J. P. Anderson; L. Galbany; M. Hamuy; M. M. Phillips; M. D. Stritzinger; et al. "AHUBBLEDIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY: THE PHOTOMETRIC COLOR METHOD". The Astrophysical Journal 815 2 (2015): 121-121. https://doi.org/10.1088%2F0004-637x%2F815%2F2%2F121.
    10.1088/0004-637x/815/2/121
  79. S. González-Gaitán; E. Y. Hsiao; G. Pignata; F. Förster; C. P. Gutiérrez; F. Bufano; L. Galbany; et al. "DEFINING PHOTOMETRIC PECULIAR TYPE Ia SUPERNOVAE". The Astrophysical Journal 795 2 (2014): 142-142. https://doi.org/10.1088%2F0004-637x%2F795%2F2%2F142.
    10.1088/0004-637x/795/2/142
  80. Anderson, J. P. ; Dessart, L. ; Gutierrez, C. P.; Hamuy, M. ; Morrell, N. I. ; Phillips, M. ; et al.. "Analysis of blueshifted emission peaks in Type II supernovae". Monthly Notices of the Royal Astronomical Society 441 1 (2014): 671. 10.1093/mnras/stu610.
    10.1093/mnras/stu610
  81. Claudia P. Gutiérrez; Joseph P. Anderson; Mario Hamuy; Santiago González-Gaitán; Gastón Folatelli; Nidia I. Morrell; Maximilian D. Stritzinger; et al. "HaSPECTRAL DIVERSITY OF TYPE II SUPERNOVAE: CORRELATIONS WITH PHOTOMETRIC PROPERTIES". The Astrophysical Journal 786 2 (2014): L15-L15. https://doi.org/10.1088%2F2041-8205%2F786%2F2%2Fl15.
    10.1088/2041-8205/786/2/l15
  82. Joseph P. Anderson; Santiago González-Gaitán; Mario Hamuy; Claudia P. Gutiérrez; Maximilian D. Stritzinger; Felipe Olivares E.; Mark M. Phillips; et al. "CHARACTERIZING THEV-BAND LIGHT-CURVES OF HYDROGEN-RICH TYPE II SUPERNOVAE". The Astrophysical Journal 786 1 (2014): 67-67. https://doi.org/10.1088%2F0004-637x%2F786%2F1%2F67.
    10.1088/0004-637x/786/1/67
  83. Bufano, F. ; Pignata, G. ; Bersten, M. ; Mazzali, P. A. ; Ryder, S. D. ; Margutti, R. ; Milisavljevic, D. ; et al.. "SN 2011hs: a fast and faint Type IIb supernova from a supergiant progenitor". Monthly Notices of the Royal Astronomical Society 439 2 (2014): 1807. 10.1093/mnras/stu065.
    Published • 10.1093/mnras/stu065
  84. Valenti, S. ; Yuan, F. ; Taubenberger, S. ; Maguire, K. ; Pastorello, A. ; Benetti, S. ; et al.. "PESSTO monitoring of SN 2012hn: further heterogeneity among faint Type I supernovae". Monthly Notices of the Royal Astronomical Society, 437 2 (2014): 1519. 10.1093/mnras/stt1983.
    Published • 10.1093/mnras/stt1983
  85. Maguire, K. ; Sullivan, M. ; Patat, F. ; Gal-Yam, A. ; Hook, I. M. ; Dhawan, S. ; Howell, D. A. ; et al.. "A statistical analysis of circumstellar material in Type Ia supernovae". Monthly Notices of the Royal Astronomical Society 436 1 (2013): 222. 10.1093/mnras/stt1586.
    Published • 10.1093/mnras/stt1586
  86. Francisco Förster; Santiago González-Gaitán; Gastón Folatelli; Nidia Morrell. "ON THE LIRA LAW AND THE NATURE OF EXTINCTION TOWARD TYPE Ia SUPERNOVAE". The Astrophysical Journal 772 1 (2013): 19-19. https://doi.org/10.1088%2F0004-637x%2F772%2F1%2F19.
    10.1088/0004-637x/772/1/19
  87. Perrett, K. ; Sullivan, M. ; Conley, A. ; González-Gaitán, S. ; Carlberg, R. ; Fouchez, D. ; et al.. "Evolution in the Volumetric Type Ia Supernova Rate from the Supernova Legacy Survey". The Astronomical Journal 144 2 (2012): 59. 10.1088/0004-6256/144/2/59.
    Published • 10.1088/0004-6256/144/2/59
  88. Francisco Förster; Santiago González-Gaitán; Joseph Anderson; Sebastián Marchi; Claudia Gutiérrez; Mario Hamuy; Giuliano Pignata; Régis Cartier. "EVIDENCE FOR ASYMMETRIC DISTRIBUTION OF CIRCUMSTELLAR MATERIAL AROUND TYPE Ia SUPERNOVAE". The Astrophysical Journal 754 2 (2012): L21-L21. https://doi.org/10.1088%2F2041-8205%2F754%2F2%2Fl21.
    10.1088/2041-8205/754/2/l21
  89. Bazin, G. ; Ruhlmann-Kleider, V. ; Palanque-Delabrouille, N. ; Rich, J. ; Aubourg, E. ; Astier, P. ; et al.. "Photometric selection of Type Ia supernovae in the Supernova Legacy Survey". Astronomy & Astrophysics 534 1 (2011): A43. 10.1051/0004-6361/201116898.
    Published • 10.1051/0004-6361/201116898
  90. F. B. Bianco; D. A. Howell; M. Sullivan; A. Conley; D. Kasen; S. González-Gaitán; J. Guy; et al. "CONSTRAINING TYPE Ia SUPERNOVAE PROGENITORS FROM THREE YEARS OF SUPERNOVA LEGACY SURVEY DATA". The Astrophysical Journal 741 1 (2011): 20-20. https://doi.org/10.1088%2F0004-637x%2F741%2F1%2F20.
    10.1088/0004-637x/741/1/20
  91. M. Sullivan; J. Guy; A. Conley; N. Regnault; P. Astier; C. Balland; S. Basa; et al. "SNLS3: CONSTRAINTS ON DARK ENERGY COMBINING THE SUPERNOVA LEGACY SURVEY THREE-YEAR DATA WITH OTHER PROBES". The Astrophysical Journal 737 2 (2011): 102-102. https://doi.org/10.1088%2F0004-637x%2F737%2F2%2F102.
    10.1088/0004-637x/737/2/102
  92. S. González-Gaitán; K. Perrett; M. Sullivan; A. Conley; D. A. Howell; R. G. Carlberg; P. Astier; et al. "SUBLUMINOUS TYPE Ia SUPERNOVAE AT HIGH REDSHIFT FROM THE SUPERNOVA LEGACY SURVEY". The Astrophysical Journal 727 2 (2011): 107-107. https://doi.org/10.1088%2F0004-637x%2F727%2F2%2F107.
    10.1088/0004-637x/727/2/107
  93. Conley, A. ; Guy, J. ; Sullivan, M. ; Regnault, N. ; Astier, P. ; Balland, C. ; Basa, S. ; Carlberg, R. G. ; et al.. "Supernova Constraints and Systematic Uncertainties from the First Three Years of the Supernova Legacy Survey". The Astrophysical Journal Supplement 192 1 (2011): 1. 10.1088/0067-0049/192/1/1.
    Published • 10.1088/0067-0049/192/1/1
  94. S. González-Gaitán; A. Conley; F. B. Bianco; D. A. Howell; M. Sullivan; K. Perrett; R. Carlberg; et al. "THE RISE TIME OF NORMAL AND SUBLUMINOUS TYPE Ia SUPERNOVAE". The Astrophysical Journal 745 1 (2011): 44-44. https://doi.org/10.1088%2F0004-637x%2F745%2F1%2F44.
    10.1088/0004-637x/745/1/44
  95. Kessler, Richard ; Bassett, Bruce ; Belov, Pavel ; Bhatnagar, Vasudha ; Campbell, Heather ; Conley, Alex ; et al.. "Results from the Supernova Photometric Classification Challenge". Publications of the Astronomical Society of the Pacific 122 898 (2010): 1415. 10.1086/657607.
    Published • 10.1086/657607
  96. Guy, J. ; Sullivan, M. ; Conley, A. ; Regnault, N. ; Astier, P. ; Balland, C. ; et al.. "The Supernova Legacy Survey 3-year sample: Type Ia supernovae photometric distances and cosmological constraints". Astronomy and Astrophysics 523 1 (2010): A7. 10.1051/0004-6361/201014468.
    Published • 10.1051/0004-6361/201014468
Preprint
  1. Claudia Gutiérrez; Seppo Mattila; Peter Lundqvist; Luc Dessart; Santiago González-Gaitán; Peter Jonker; Subo Dong; et al. "A luminous, fast blue optical transient from a stellar tidal disruption event by an intermediate-mass black hole". 2024. https://doi.org/10.21203/rs.3.rs-3911460/v1.
    10.21203/rs.3.rs-3911460/v1
Working paper
  1. Duarte, J.; González-Gaitán, S.; Mourao, A.; Paulino-Afonso, A.; Guilherme-Garcia, P.; Aguas, J.; Galbany, L.; et al. 2022. "A Sample of Dust Attenuation Laws for DES Supernova Host Galaxies".
    10.48550/arXiv.2211.14291
  2. Lu, Jing; Hsiao, Eric Y.; Phillips, Mark M.; Burns, Christopher R.; Ashall, Chris; Morrell, Nidia; Ng, Lawrence; et al. 2022. "Carnegie Supernova Project-II: Near-infrared spectral diversity and template of Type Ia Supernovae".
    10.48550/arXiv.2211.05998
  3. Rino-Silvestre, João; González-Gaitán, Santiago; Stalevski, Marko; Smole, Majda; Guilherme-Garcia, Pedro; Carvalho, João Paulo; Mourão, Ana Maria. 2022. "EmulART: Emulating Radiative Transfer -- A pilot study on autoencoder based dimensionality reduction for radiative transfer models".
    10.48550/arXiv.2210.15400
  4. de Souza, Rafael S.; Thorp, Stephen; Galbany, Lluís; Ishida, Emille E. O.; González-Gaitán, Santiago; Schmitz, Morgan A.; Krone-Martins, Alberto; Peters, Christina. 2022. "A graph-based spectral classification of Type II supernovae".
    10.48550/arXiv.2206.14335
  5. Kennamer, Noble; Ishida, Emille E. O.; Gonzalez-Gaitan, Santiago; de Souza, Rafael S.; Ihler, Alexander; Ponder, Kara; Vilalta, Ricardo; et al. 2020. "Active learning with RESSPECT: Resource allocation for extragalactic astronomical transients".

Other

Other output
  1. Modelling the impact of host galaxy dust on type Ia supernova distance measurements. 2024. Brodie Popovic; Philip Wiseman; Mark Sullivan; Mathew Smith; Santiago González-Gaitán; Dan Scolnic; João Duarte. https://doi.org/10.1093/mnras/stae2164.
    10.1093/mnras/stae2164
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023/10/25 Optical linear polarimetry in astrophysics FCULSeminar
Universidade de Lisboa (Lisbon, Portugal)
2023/05/18 Optical linear polarimetry in astrophysics CENTRA Seminar
Instituto Superior Tecnico (Lisbon, Portugal)
2023/01/25 Dust extinction: clues to type Ia supernova cosmology and their progenitors Astro seminar
Florida State University (Online, United States)
2022/08/31 Interstellar polarization in imaging polarimetry Astrophysical Polarimetry in the Time-Domain Era Workshop
Italian National Institute for Astrophysics (Lecco, Italy)
2022/07/06 Extinction studies towards supernovae and their host galaxies FINCA workshop
Turku University (Seili, Finland)
2022/05/30 Dust extinction inferrence from Random Forrest regression of interstellar lines in supernova spectra Machine Learning for Astrophysics Conference
Catania University (Catania, Italy)
2022/05/06 Supernova cosmology: from dark energy to the Hubble tension
Universidad Católica de Colombia (Bogota, Colombia)
2021/12/02 Supernova cosmology 6th Colombian Meeting on High Energy Physics
Universidad del Magdalena (Santa Marta, Colombia)
2021/09/08 Extinction and interstellar lines in supernova spectra XXXI Encontro Nacional de Astronomia e Astrofisica
University of Lisbon (Online, Portugal)
2021/03/26 Extended optical imaging polarimetry studies towards Circinus IAU Symposium 360 Astropol conference
Hiroshima University (Online, Japan)
2020/12/11 Extended optical imaging polarimetry studies towards Circinus AGN and Polarimetry conference
University of Strasboug (virtual) (Strasbourg, France)
2020/11/05 Implications of varying beta in cosmology DES internal meeting
virtual
2020/09/11 Bias and systematics in observational measurements of supernova hosts across cosmic time XXX Encontro Nacional de Astronomia e Astrofisica (ENAA)
Insituto de Astrofisica, virtual (Portugal)
2020/07/06 Galaxy polarization with Circinus as a case study CRISP meeting 2020
CENTRA, Instituto Superior Tecnico (virtual) (Portugal)
2020/03 Optical linear polarimetry of supernovae and their host galaxies South American Supernovae (SAS)
Observatorio de La Plata (La Plata, Argentina)
2020/02 Extinction studies towards supernovae and their host galaxies SN meeting
University of Southampton (Southampton, United Kingdom)
2020/01 INLA and 1.5D IFU fitting CRISPinho meeting
Universidad de Granada (Granada, Spain)
2019/11 Extinction studies towards supernovae and their host galaxies Seminar
Astronomical Observatory (Belgrade, Serbia)
2019/02/28 Supernovae and their host galaxies National Meeting of Physics Students (ENEF)
Universidade de Lisboa - Instituto Superior Tecnico (Lisboa, Portugal)
2018/12 Supernova classification with active learning Astro-technology Seminar
Faculdade de Ciências, Universidad de Lisboa (Lisbon, Portugal)
2018/11 Optimizing spectroscopic follow-up for supernova classification with active learning Massive Stars and Supernovae
Observatorio de La Plata (Bariloche, Argentina)
2018/10 Supernova extinction and its effects on cosmology ESO seminar
European Southern Observatory (Santiago, Chile)
2018/10 Optimizing spectroscopic follow-up for supernova classification with active learning ESO-MPA SN meeting
European Southern Observatory (Garching, Germany)
2018/09 Spatial field reconstruction with INLA: Application to IFU galaxy data XXVIII Encontro Nacional de Astronomia e Astrofisica (ENAA)
Universidade de Coimbra (Coimbra, Portugal)
2018/03 Extinction studies towards type Ia supernovae Seminar
Universidad de Granada (Granada, Spain)
2018/02 Extinction studies towards type Ia supernovae Seminar
University of Pittsburgh (Pittsburgh, United States)
2017/11 Supernova extinction and its effects on cosmology Seminar
CENTRA, Instituto Superior Técnico (Lisbon, Portugal)
2017/11 Supernova extinction and its effects on cosmology Seminar
Observatório Astronómico, Universidade de Lisboa (Lisbon, Portugal)
2016/10 New perspectives into supernova cosmology Seminar
Universidad de los Andes (Bogotá, Colombia)
2016/10 A new light-curve fitter for type II supernovae XV Latin American Regional IAU Meeting LARIM
(Cartagena, Colombia)
2016/08 Type II supernova spectral variability and spectral template Supernovae through the Ages
Millennium Institute of Astrophysics (Easter Island, Chile)
2016/05 SNII spectral variability and spectral template South American Supernovae (SAS)
Observatorio de La Plata (La Plata, Argentina)
2016/04 The astrophysics in science-fiction movies Public astronomy talks
Universidad Diego Portales (Santiago, Chile)
2015/12 Early supernova light-curves Seminar
Departamento de Astronomía, Universidad de Chile (Santiago, Chile)
2015/11 Early supernova light-curves Seminar
Korean Astronomy and Space Science Institute (Daejeon, South Korea)
2015/08 The rise-time of type II supernovae Fourth CMM Pucon Symposium
Center for Mathematical Modeling (Puerto Varas, Chile)
2015/07 New perspectives into supernova cosmology Alpine Cosmology Workshop
(Austria)
2015/07 The rise-time of type II supernovae Stellar End Products (STEPS) conference
(Garching, Germany)
2015/06 The rise-time of type II supernovae EWASS conference
(Tenerife, Spain)
2015/06 Subluminous SNe Ia near and far PESSTO meeting
PESSTO (Paris, France)
2015/05 Is dark energy an artifact? The effects of UV colors in SNIa standardization Seminar
Departamento de Astronomía, Universidad de Chile (Santiago, Chile)
2015/04 The rise-time of type II supernovae South American Supernovae (SAS)
Millennium Institute of Astrophysics (Chile)
2015/04 Searching for light-echoes in SNIa spectra South American Supernovae (SAS)
Millennium Institute for Astrophysics (Chile)
2015/01 The rise-time of type II supernovae Symposium for Postdocs (SYPO)
Millennium Institute of Astrophysics (MAS) (Santiago, Chile)
2014/05 A new photometric typing technique for peculiar type Ia supernovae Seminar
Institut de Ciències de l’Espai, Universitat Autònoma de Barcelona (Barcelona, Spain)
2014/01 Photometric identification of subluminous and other peculiar SNe Ia XI Annual Meeting of Sociedad Chilena de Astronomía SOCHIAS
SOCHIAS (Chile)
2013/11 Defining photometric subluminous SNe Ia XIV LARIM Latinamerican IAU Regional Meeting
LARIM (Florianópolis, Brazil)
2013/09 SN IIP early lightcurves from SNLS/SDSS with analytical shock models SNII workshop: Observations meet Models
Universidad de Chile (Santiago, Chile)
2013/06/04 An appetite for astronomy Public talk and observing session
Casona Dubois (Santiago, Chile)
2013/06 Searching for light-echoes in SNe Ia spectra at 35-85 days UK-Chile Workshop
University of Oxford (Oxford, United Kingdom)
2012/12 Re-defining photometric subluminous SNe Ia Kavli IPMU Focus Week for Supernovae near and far
Kavli IPMU (Tokyo, Japan)
2012/10 New clues about progenitors of SNe Ia, Photometric subluminous SNe Ia, Type Ia cosmology with CMAGIC Carnegie Supernova Project II Meeting
Carnegie Observatories (Pasadena, United States)
2012/01 Evidence for two low-stretch SNIa populations? CSP/MCSS Meeting
Carnegie Supernova Project/ Millennium Center for Supernova Studies (La Herradura, Chile)
2010/06 SN IIP photometric typing Progenitors and Environments of Stellar Explosions
Institut d’Astrophysique de Paris (Paris, France)
2009/10 The afterlife of stars Workshop for Inter-Discipline Exchange and Novelty
University of Toronto (Toronto, Canada)
2005/10 Test of Diffractive Models at the Tevatron Congreso Nacional de Física
(Barranquilla, Colombia)
2003/10 Study of the Evidences provided by the Supernovae type Ia for a Universe governed by Dark Energy Congreso Nacional de Física
(Armenia, Colombia)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2023/09/01 - Current Dust reddening systematics in the Hubble tension
Co-supervisor
 Astrophysics (PhD)
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
2022/10/01 - 2024/03/01 Intrinsic colors of type Ia supernovae and reddening evolution
Co-supervisor
Instituto Superior Técnico Departamento de Física, Portugal
2019/12/01 - 2023/12/01 Polarimetric Studies of Galaxies
Supervisor
 Física (PhD)
Universidade de Lisboa Instituto Superior Técnico, Portugal
2021/10/01 - 2022/11/01 First sample of Rv of Supernovae from Dark Energy Survey
Co-supervisor
Instituto Superior Técnico Departamento de Física, Portugal
2020/06/01 - 2022/11/01 Polarization patterns in the sky and their influence on astronomical observations
Co-supervisor
 Physics (Master)
Universidade de Lisboa Instituto Superior Técnico, Portugal
2020/09/01 - 2021/07/01 The first sample of reddening laws of a supernova cosmological sample
Supervisor
 Physics (Master)
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
2020/06/01 - 2021/06/01 1.5D fitting of Integral Field Spectroscopy cubes
Co-supervisor
 Physics (Master)
Universidade de Lisboa Faculdade de Ciências, Portugal
2015/06/01 - 2020/08/01 Reddening inferred from IFU studies
Co-supervisor
 Astrophysics (PhD)
Universidad de Chile Departamento de Astronomía, Chile
2012/01/01 - 2016/09/01 Reddening and Hubble Diagrams of type II SNe
Co-supervisor
 Astrophysics (PhD)
Universidad de Chile Departamento de Astronomía, Chile

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2019/07 - 2019/08 CRISP collaboration meeting (2019/07 - 2019/08/02)
Meeting (Co-organisor)
 Universidade de Lisboa Instituto Superior Técnico, Portugal
2016/08/08 - 2016/08/14 Outreach week at Easter Island for the Supernova conference, including several talks at schools and observing sessions: http://sn2016.cl/outreach (2016/08/08 - 2016/08/14)
Other (Member of the Organising Committee)
 Universidad de Chile Departamento de Astronomía, Chile
2013 - 2016 Supernova Journal Clubs (2013 - 2016)
Other (Co-organisor)
 Universidad de Chile Departamento de Astronomía, Chile
2014/12 - 2015/01 Symposium for Postdocs SYPO of the Millennium Institute for Astrophysics MAS (2014/12 - 2015/01)
Symposium (President of the Organising Committee)
 Millennium Institute of Astrophysics, Chile
2012/05/01 - 2012/05/10 Outreach week in Easter Island for the transit of Venus. Included talks at Museo Antropológico P. Sebastián Englert, activities at various schools in the island and viewing of transit of Venus at Ahu Tahai with equipment. (2012/05/01 - 2012/05/10)
Other (Member of the Organising Committee)
 Museo Antropológico Sebastián Englert, Chile

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2020/06/22 - 2020/06/23 ESO H0 2020 conference
Conference
 ESO H0 2020
European Southern Observatory, Germany
2019/11 - 2019/11 Participation
Workshop
 IV Conference on AGN and Gravitational Lensing, Banja Zdrelo, Serbia
2018/12 - 2018/12 Participation
Conference
 Dark Matter and Stars conference
Universidade de Lisboa Instituto Superior Técnico, Portugal
2018/02 - 2018/02 Participation
Workshop
 Type II supernova cosmology in the LSST
University of Pittsburgh Department of Physics and Astronomy, United States
2017/08 - 2017/08 Participation
Workshop
 Cosmostatistics Initiative - COIN, Clermont-Ferrand, France
2017/04 - 2017/04 Poster on "Reddening evolution in Type Ia Supenovae"
Meeting
 South American Supernovae (SAS), La Serena, Chile
2017/03 - 2017/03 Poster on "Reddening evolution in Type Ia Supenovave"
Conference
 The AGB-Supernovae Mass Transition conference
Osservatorio Astronomico di Roma, Italy
2016/12 - 2016/12 Participation
Workshop
 Towards Science in Chile with the Large Synoptic Survey Telescope (LSST) workshop
Millennium Institute of Astrophysics, Chile
2016/09 - 2016/09 Invited speaker
Other
 Forum on Astrophysics of Science Fiction
Universidad Diego Portales, Chile
2016/07 - 2016/07 Poster on "Type II supernova spectral variability and spectral template"
Conference
 European Week of Astronomy and Space Science (EWASS) conference
2015/11 - 2015/11 Participation
Workshop
 2nd annual workshop of the MAS
Millennium Institute of Astrophysics, Chile
2015/06 - 2015/06 Poster on "Searching for light-echoes in SNIa spectra"
Conference
 European Week of Astronomy and Space Science (EWASS) conference, Tenerife, Spain
2015/03 - 2015/03 Poster on "The rise-time of type II supernovae"
Conference
 XII Annual Meeting of Sociedad Chilena de Astronomía SOCHIAS, Chile
2014/08 - 2014/08 Poster on "A new photometric typing technique for normal and peculiar type Ia supernovae"
Conference
 CAASTRO Supernovae in the Local Universe: Celebrating 10,000 days of Supernova 1987A, Coffs Harbour, Australia
2014/05 - 2014/05 Poster on "Exploring Type Ia supernova cosmology with CMAGIC"
Conference
 IAUS306 on Statistical Challenges in Cosmology in the 21st Century
Universidade de Lisboa Faculdade de Ciências, Portugal
2013/08 - 2013/08 Participation
Symposium
 Third CMM Pucón Symposium, Pucón, Chile.
Centro de Modelamiento Matemático, Chile
2013/06 - 2013/06 Poster on "The Rise Time of Plateau Supernovae"
Conference
 Massive stars: From alpha to omega, Rhodes, Greece
2013/04 - 2013/04 Poster on "Searching for light-echoes in SNe Ia spectra at 35-85 days"
Conference
 ESO Workshop on The deaths of stars and the lives of galaxies
European Southern Observatory, Germany
2012/09 - 2012/09 Poster on "Re-defining photometric subluminous type Ia supernovae"
Conference
 MPA/ESO/MPE Excellence Cluster Universe Conference on Supernovae Illuminating the Universe: from Indiviudals to Populations
European Southern Observatory, Germany

Max-Planck-Institut für Astrophysik, Germany

Max-Planck-Institut für extraterrestrische Physik, Germany
2012/09 - 2012/09 Participation
Meeting
 PESSTO Meeting IV, IEEC, Barcelona, Spain.
2009/10 - 2009/10 Participation
Other
 Novicosmo School, Rabac, Croatia
2009/09 - 2009/09 Poster on "Rise-time of underluminous SNe Ia"
Conference
 Stellar Death and Supernovae
Kavli Institute for Theoretical Physics, United States
2009/05 - 2009/05 Rise-time of underluminous SNe Ia
Conference
 Canadian Astronomical Society CASCA meeting
Canadian Astronomical Society, Canada
2008/05 - 2008/05 Poster on "Rates of subluminous SNe Ia from the SNLS"
Conference
 Canadian Astronomical Society CASCA meeting
Canadian Astronomical Society, Canada
2007/01 - 2007/01 Poster on "Subluminous Type Ia Supernovae in the Supernova Legacy Survey"
Conference
 American Astronomical Society AAS meeting
American Astronomical Society, United States

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2018/06 A multiwavelength study of massive galaxy disks across cosmic time
(Thesis) Main arguer
 João Manuel Sousa Aguas (Master)
Universidade de Lisboa Faculdade de Ciências, Portugal
2016/05 Relation of type Ia supernovae brightness with element abundance in its host galaxies
(Thesis) Main arguer
 Manuel Moreno-Raya (PhD)
Universidad Complutense de Madrid, Spain

Association member

Society Organization name Role
2018/06/01 - Current Portuguese Astronomical Society Member
2012 - 2013 Postdoctoral researcher of Department of Astronomy, Universidad de Chile Vice-representative
2008 - 2010 Graduate Student Association, Department of Astronomy & Astrophysics, University of Toronto Treasurer

Committee member

Activity description
Role 		Institution / Organization
2022/04/01 - 2022/11/01 Member of the ESO Observing Panel Committee
Member
 European Southern Observatory, Germany

Conference scientific committee

Conference name Conference host
2019/01/01 - 2019/09/30 XXIX Astronomy and Astrophysics National Meeting Center for Gravitation and Astrophysics (CENTRA), University of Lisbon
2017/03/01 - 2017/04/30 French-Colombian colloquium for astrophysics Universidad de los Andes - Physics Department

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2019/09/01 - 2023/11/15 Laboratory of Astrophysics (LA577) Observational Astronomy Universidade de Lisboa Instituto Superior Técnico, Portugal
2018/09/03 - 2018/09/07 Extragalactic Astronomy Extragalactic Astronomy (Mestrado) Universidade de Lisboa Instituto Superior Técnico, Portugal
2017/01/03 - 2017/01/20 Tutor at the Harvard-Chile Data Science School Astrostatistics and astroinformatics (Master) Centro de Modelamiento Matemático, Chile

Harvard University John A Paulson School of Engineering and Applied Sciences, United States
2015/11/01 - 2015/11/15 Invited supernova lecturer at KASI Supernovae science (Master) Korea Astronomy and Space Science Institute, South Korea
2006/01/01 - 2011/08/31 Teaching and planetarium assistant for several bachelor astronomy & astrophysics courses Astrophysics (Bachelor) University of Toronto Department of Astronomy and Astrophysics, Canada
2000/06/01 - 2005/12/31 Teaching assistant for several bachelor physics courses Physics (Bachelor) Universidad de los Andes Facultad de Ciencias, Colombia
2005/07/01 - 2005/08/31 Bachelor Physic IV degree: 20th century physics (basics of relativity, quantum mechanics) Modern physics (Bachelor) Universidad de los Andes Facultad de Ciencias, Colombia

Evaluation committee

Activity description
Role 		Institution / Organization Funding entity
2020/11/01 - 2021/02/28 Member of Selection Committee for postdoctoral researchers for supernova studies at ICE-CSIC, Barcelona, Spain
Evaluator
 Instituto de Ciencias del Espacio, Spain Instituto de Ciencias del Espacio
2020/11/01 - 2021/02/01 Selection committee for postdoctoral researchers for the supernova group at ICE-CSIC, Barcelona, Spain.
Evaluator
 Instituto de Ciencias del Espacio, Spain
2013/12 - 2014/01 Selection Committee for postdoctoral researchers
Evaluator
 Universidad de Chile Departamento de Astronomía, Chile

Interview (newspaper / magazine)

Activity description Newspaper / Forum
2022/02/18 Press release of "Earliest detection of a type Ia supernova" at Tecnico and CENTRA news site CENTRA and IST news
2020/10/12 Press release and interview for the youngest tidal disruption event discovered as part of the ePESSTO+ collaboration. Diário de Noticias
2017/10/16 Interview for newspaper El Espectador (Colombia) on the first kilonova associated to a neutron star merger and gravitational waves El Espectador
2017/10/16 Interview on the first kilonova associated to a neutron star merger and gravitational waves Diário de Notícias
2015/11/19 Interview for El Definido magazine (Chile) on the astronomy life El Definido

Interview (tv / radio show)

Program Topic
2014/08/20 - Current Radio Interview at “W Radio” (Colombia) on the Moon W Radio
2013/05/28 - Current Foro Ciudadano Supernovae
2021/10/07 - 2021/10/07 Interview for the RECA mentoring program Astronomy career path
2020/05/08 - 2020/05/08 Grupo de Astronomía Carl Sagan, Barrancabermeja, Colombia Astronomy as a researcher and as amateur
2018/12/20 - 2018/12/20 Caracol Radio, Colombia Expansion of the Universe
2017/10/19 - 2017/10/19 Interview for the Instituto Superior Técnico The first kilonova associated to a neutron star merger and gravitational waves

Journal scientific committee

Journal title (ISSN) Publisher
2019 - Current The Astronomical Journal (1538-3881) American Astronomical Society
2018 - Current Central European Journal of Physics (1644-3608) De Gruyter Open Sp. z o.o.
2015 - Current The Astrophysical Journal (1538-4357) American Astronomical Society
2014 - Current Monthly Notices of the Royal Astronomical Society (N 1365-2966) Oxford University Press

Mentoring / Tutoring

Topic Student name
2020/09/01 - 2023/10/31 Astrophysics in sci-fi movies High-school talks "Espaço vai a Escola"
2019/11/18 - 2022/11/18 Astrophysics in sci-fi movies Several 10-12th grade in various High-school
2020/05/28 - 2020/05/28 Astrophysics in sci-fi movies Centro de Astronomia, Universidad de Antofagasta
2020/02/28 - 2020/02/28 The Earth, the Moon and the Sun CEIP La Vera Cruz Elementary School
2016/09/01 - 2016/12/31 Principal Component Analysis of type II SNe spectra and photometry Daniela Vega
2016/03/18 - 2016/03/18 Astrophysics of science-fiction movies High-school
2015/03/01 - 2015/12/31 Subluminous SNe Ia from PESSTO Ismael Pessa
2015/10 - 2015/11 Astrophysics in sci-fi movies 6 High-school talks
2013/01/01 - 2015/06/30 SN2010ev: a highly reddened SNIa with high-velocity gradient Claudia Gutiérrez
2014/06/01 - 2015/06/01 Photometric identification of peculiar type Ia at high-z Felipe Lagos
2013/05 - 2014/09 Basic Astronomy 9-11 grade, English School, Bogotá, Colombia
2012/01/01 - 2014/06/30 Colors and spectral signatures of CSM interaction in SNe Ia Sebastián Marino
2013/01/01 - 2013/12/31 Rise-times of Type II SNe Juan Molina
2006/01 - 2011/08 Telescope Operator, Planetarium Guide and Speaker University of Toronto Public Tours
Distinctions

Award

2010 Doctoral Completion Award
University of Toronto School of Graduate Studies, Canada
2003 Third Prize “Laserna” for best B.Sc. Thesis Project
Universidad de los Andes Facultad de Ciencias, Colombia
2003 Honours Bachelor degree GPA 4.5/5
Universidad de los Andes Facultad de Ciencias, Colombia