Browsing by Author "ea9418e2-201b-4a06-916d-491986cbd855"

Now showing items 1-16 of 16

    • Characterizing the environments of supernovae with MUSE 
      Galbany, Lluis; Anderson, J. P.; Rosales Ortega, F. F.; Kuncarayakti, Hanindyo; Krühler, T.; Sánchez, S. F.; Falcón Barroso, J.; Pérez, E.; Maureira, J. C.; Hamuy Wackenhut, Mario; González Gaitán, Santiago; Förster Burón, Francisco; Moral, V. (Oxford University Press, 2016)
      We present a statistical analysis of the environments of 11 supernovae (SNe) which occurred in six nearby galaxies (z less than or similar to 0.016). All galaxies were observed with MUSE, the high spatial resolution ...
    • Characterizing The V-Band Light-Curves Of Hydrogen-Rich Type II Supernovae. 
      Anderson, Joseph P.; González Gaitán, Santiago; Hamuy Wackenhut, Mario; Gutiérrez, Claudia P.; Stritzinger, Maximilian D.; Olivares, Felipe; Phillips, Mark M.; Schulze, Steve; Antezana, Roberto; Bolt, Luis; Campillay, Abdo; Castellón, Sergio; Contreras, Carlos; De Jaeger, Thomas; Folatelli, Gastón; Förster, Francisco; Freedman, Wendy L.; González, Luis; Hsiao, Eric; Krzeminski, Wojtek; Krisciunas, Kevin; Maza Sancho, José; McCarthy, Patrick; Morrell, Nidia; Persson, Sven E.; Roth, Miguel; Salgado, Francisco; Suntzeff, Nicholas B.; Thomas Osip, Joanna (The American Astronomical Society, 2014-05)
      We present an analysis of the diversity of V-band light-curves of hydrogen-rich type II supernovae. Analyzing a sample of 116 supernovae, several magnitude measurements are defined, together with decline rates at ...
    • Defining photometric peculiar type Ia supernovae 
      González Gaitán, Santiago; Hsiao, Eric; Pignata Libralato, Giuliano; Förster, F; Gutiérrez, C. P.; Bufano, Filomena; Galbany, Lluis; Folatelli, Gastón; Phillips, M. M.; Hamuy Wackenhut, Mario; Anderson, J. P.; De Jaeger, Thomas (The American Astronomical Society., 2014)
      We present a new photometric identification technique for SN 1991bg-like type Ia supernovae (SNe Ia), i.e., objects with light curve characteristics such as later primary maxima and the absence of a secondary peak in ...
    • DES14X3taz: A type i superluminous supernova showing a luminous, rapidlycooling initial pre-peak bump 
      Smith, M.; Sullivan, M.; D'Andrea, C. B.; Castander, F. J.; Casas, R.; Prajs, S.; Papadopoulos, A.; Nichol, R. C.; Karpenka, N. V.; Bernard, S. R.; Brown, P.; Cartier Ugarte, Regis; Cooke, J.; Curtin, C.; Davis, T. M.; Finley, D. A.; Foley, R. J.; Gal Yam, Avishay; Goldstein, D. A.; González Gaitán, Santiago; Gupta, R. R.; Howell, D. A.; Inserra, C.; Kessler, R.; Lidman, C.; Marriner, J.; Nugent, P.; Pritchard, T. A.; Sako, M.; Smartt, S.; Smith, R. C.; Spinka, H.; Thomas, R. C.; Wolf, R. C.; Zenteno, A.; Abbott, T. M.; Benoit Levy, A.; Bertin, E.; Brooks, D.; Buckley Geer, E.; Carnero Rosell, A.; Kind, Carrasco; Carretero, J.; Crocce, M.; Cunha, C. E.; da Costa, L. N.; Desai, S.; Fosalba, P.; Frieman, J.; Gerdes, D. W.; Gruen, D.; Gruendl, R. A.; Marshall, J. L.; Martini, P.; Miller, C. J.; Miquel, R.; Nord, B. B.; Ogando, R.; Plazas, A. A.; Reil, K.; Romer, A. K.; Roodman, A.; Rykoff, E. S.; Sánchez, E.; Scarpine, V.; Schubnell, M.; Sevilla Noarbe, I.; Soares Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Walker, A. R.; Wester, W. (IOP PUBLISHING LTD, 2016)
      We present DES14X3taz, a new hydrogen-poor superluminous supernova (SLSN-I) discovered by the Dark Energy Survey (DES) supernova program, with additional photometric data provided by the Survey Using DECam for Superluminous ...
    • DES15E2mlf: a spectroscopically confirmed superluminous supernova that exploded 3.5 Gyr after the big bang 
      Pan, Y. C.; Foley, R. J.; Smith, M.; González Gaitán, Santiago (Oxford University Press, 2017)
      We present the Dark Energy Survey (DES) discovery of DES15E2mlf, the most distant superluminous supernova (SLSN) spectroscopically confirmed to date. The light curves and Gemini spectroscopy of DES15E2mlf indicate that it ...
    • On the environments of Type Ia supernovae within host galaxies 
      Anderson, J.; James, P.; Forster, Francisco; González Gaitán, Santiago; Habergham, S.; Hamuy Wackenhut, Mario; Lyman, J. (Oxfords University Press, 2015)
      We present constraints on Type Ia supernovae (SNe Ia) progenitors through an analysis of the environments found at the explosion sites of 102 events within star-forming host galaxies. Ha and Galaxy Evolution Explorer ...
    • Optical and near-infrared observations of the nearby SN Ia 2017cbv 
      Wang, Lingzhi; Contreras, Carlos; Hu, Maokai; Hamuy, Mario A.; Hsiao, Eric Y.; Sand, David J.; Anderson, Joseph P.; Ashall, Chris; Burns, Christopher R.; Chen, Juncheng; Diamond, Tiara R.; Davis, Scott; Forster, Francisco; Galbany, Lluis; González Gaitán, Santiago; Gromadzki, Mariusz; Hoeflich, Peter; Li, Wenxiong; Marion, G. H.; Morrell, Nidia; Pignata, Giuliano; Prieto, José L.; Phillips, Mark M.; Shahbandeh, Melissa; Suntzeff, Nicholas B.; Valenti, Stefano; Wang, Lifan; Wang, Xiaofeng; Young, D. R.; Yu, Lixin; Zhang, Jujia (IOP Publishing, 2020)
      Supernova (SN) 2017cbv in NGC 5643 is one of a handful of Type Ia supernovae (SNe Ia) reported to have excess blue emission at early times. This paper presents extensive BVRIYJHK(s)-band light curves of SN 2017cbv, covering ...
    • The rise-time of Type II supernovae 
      González Gaitán, Santiago; Tominaga, N.; Molina, J.; Galbany, Lluis; Bufano, Filomena; Anderson, J.; Gutiérrez, C.; Förster, Francisco; Pignata Libralato, Giuliano; Bersten, M.; Howell, D. A.; Sullivan, M.; Carlberg, R.; De Jaeger, Thomas; Hamuy Wackenhut, Mario; Baklanov, P.; Blinnikov, S. (Royal Astronomical Society, 2015)
      We investigate the early-time light curves of a large sample of 223 Type II supernovae (SNe II) from the Sloan Digital Sky Survey and the Supernova Legacy Survey. Having a cadence of a few days and sufficient non-detections ...
    • SN 2016jhj at redshift 0.34: extending the Type II supernova Hubble diagram using the standard candle method 
      De Jaeger, Thomas; Galbany, Lluis; Filippenko, A. V.; González Gaitán, Santiago; Yasuda, N.; Maeda, K.; Tanaka, M.; Morokuma, T.; Moriya, T. J.; Tominaga, N.; Nomoto, K.; Komiyama, Y.; Anderson, J. P.; Brink, T. G.; Carlberg, R. G.; Folatelli, Gastón; Hamuy Wackenhut, Mario; Pignata Libralato, Giuliano; Zheng, W. (Oxford university press, 2017)
      Although Type Ia supernova cosmology has now reached a mature state, it is important to develop as many independent methods as possible to understand the true nature of dark energy. Recent studies have shown that Type II ...
    • Strong near-infrared carbon in the Type Ia supernova iPTF13ebh 
      Hsiao, Eric; Burns, C.R.; Contreras, C.; Höflich, P.; Sand, D.; Marion, G.H.; Phillips, M. M.; Stritzinger, M.; González Gaitán, Santiago; Mason, R. E.; Folatelli, Gastón; Parent, E.; Gall, C.; Amanullah, R.; Anupama, G. C.; Arcavi, I.; Banerjee, D. P. K.; Beletsky, Y.; Blanc Mendiberri, Guillermo; Bloom, J. S.; Brown, P. J.; Campillay, A.; Cao, Y.; Cia, A. de; Diamond, T.; Freedman, W. L.; González, C.; Goobar, A.; Holmbo, S.; Howell, D. A.; Johansson, J.; Kasliwal, M. M.; Kirshner, R. P.; Krisciunas, K.; Kulkarni, S. R.; Maguire, K.; Milne, P. A.; Morrell, N.; Nugent, P. E.; Ofek, E. O.; Osip, D.; Palunas, P.; Perley, D. A.; Persson, S. E.; Piro, A. L.; Rabus, M.; Roth, M.; Schiefelbein, J. M.; Srivastav, S.; Sullivan, M.; Suntzeff, Nicholas B.; Surace, J.; Wózniak, P. R.; Yaron, O. (ESO, 2015)
      We present near-infrared (NIR) time-series spectroscopy, as well as complementary ultraviolet (UV), optical, and NIR data, of the Type Ia supernova (SN Ia) iPTF13ebh, which was discovered within two days from the estimated ...
    • Studying the ultraviolet spectrum of the first spectroscopically confirmed supernova at redshift two 
      Smith, M.; Sullivan, M.; Nichol, R. C.; González Gaitán, Santiago (IOP Publishing Ltd, 2018)
      We present observations of DES16C2nm, the first spectroscopically confirmed hydrogen-free superluminous supernova (SLSN-I) at redshift z approximate to 2. DES16C2nm was discovered by the Dark Energy Survey (DES) Supernova ...
    • Supernova 2010ev: A reddened high velocity gradient type Ia supernova 
      Gutiérrez Aveldaño, Claudia; González Gaitán, Santiago; Folatelli, Gastón; Pignata Libralato, Giuliano; Anderson, Joseph; Hamuy Wackenhut, Mario; Stritzinger, Maximilian; Taubenberger, Stefan; Bufano, Filomena; Olivares, Felipe; Haislip, Joshua B.; Reichart, Daniel (EDP Sciences, 2016)
      Aims. We present and study the spectroscopic and photometric evolution of the type Ia supernova (SN Ia) 2010ev. Methods. We obtain and analyze multiband optical light curves and optical/near-infrared spectroscopy at low ...
    • The high cadence transient survey (HITS). I. survey design and supernova shock breakout constraints 
      Foster Buron, Francisco; Maureira, Juan carlos; San Martín, J.; Hamuy Wackenhut, Mario; Martínez Palomera, Jorge; Huijse Heise, Pablo; Cabrera, Guillermo; Galbany, Lluis; De Jaeger, Thomas; González Gaitán, Santiago; Anderson, J. P.; Kunkarayakti, H.; Pignata Libralato, Giuliano; Bufano, F.; Littín, J.; Olivares, F.; Medina, G.; Smith, R. C.; Vivas, A. K.; Estévez, P. A.; Muñoz Vidal, Ricardo Rodrigo; Vera, E. (The American Astronomical Society, 2016-12-01)
      We present the first results of the High Cadence Transient Survey (HiTS), a survey for which the objective is to detect and follow-up optical transients with characteristic timescales from hours to days, especially the ...
    • The lowest-metallicity type II supernova from the highest-mass red supergiant progenitor 
      Anderson, P.; Dessart, L.; Gutierrez, C.; Kruhler, T.; Galbany, Lluis; Jerkstrand, A.; Smartt, S.; Contreras, C.; Morrell, N.; Phillips, M.; Stritzinger, M.; Hsiao, E.; González Gaitán, Santiago; Agliozzo, C.; Castellon, Sergio; Chambers, K.; Chen, T.; Flewelling, H.; González, C.; Hosseinzadeh, G.; Huber, M.; Fraser, M.; Inserra, C.; Kankare, E.; Mattila, S.; Magnier, E.; Maguire, K.; Lowe, T.; Sollerman, J.; Sullivan, M.; Young, D.; Valenti, S. (Nature Publishing Group, 2018-07)
      Red supergiants have been confirmed as the progenitor stars of the majority of hydrogen-rich type II supernovae(1). However, while such stars are observed with masses > 25 M-circle dot (ref. (2)), detections of > 18 M-circle ...
    • Type II supernova spectral diversity. I. Observations, sample characterization, and spectral line evolution 
      Gutiérrez, Claudia P.; Anderson, Joseph P.; Hamuy Wackenhut, Mario; Morrell, Nidia; González Gaitán, Santiago; Stritzinger, Maximilian D.; Phillips, Mark M.; Galbany, Lluis; Folatelli, Gastón; Dessart, L.; Contreras, Carlos; Della Valle, Massimo; Freedman, Wendy L.; Hsiao, Eric; Krisciunas, Kevin; Madore, Barry F.; Maza Sancho, José; Suntzeff, Nicholas B.; Prieto, José Luis; González, Luis; Cappellaro, Enrico; Navarrete, Mauricio; Pizzella, Alessandro; Ruiz González, María Teresa; Smith, R. Chris; Turatto, Massimo (IOP Publishing Ltd., 2017)
      We present 888 visual-wavelength spectra of 122 nearby type II supernovae (SNe II) obtained between 1986 and 2009, and ranging between 3 and 363 days post-explosion. In this first paper, we outline our observations and ...
    • Type II supernova spectral diversity. II. Spectroscopic and photometric correlations 
      Gutiérrez, Claudia P.; Anderson, Joseph P.; Hamuy Wackenhut, Mario; González Gaitán, Santiago; Galbany, Lluis; Dessart, Luc; Stritzinger, Maximilian D.; Phillips, Mark M.; Morrell, Nidia; Folatelli, Gastón (IOP Publishing Ltd., 2017)
      We present an analysis of observed trends and correlations between a large range of spectral and photometric parameters of more than 100 type II supernovae (SNe II), during the photospheric phase. We define a common epoch ...