Now showing items 1-14 of 14

    • Folatelli, Gastón; Bersten, Melina C.; Benvenuto, Omar; Van Dyk, Schuyler D.; Kuncarayakti, Hanindyo; Maeda, Keiichi; Nozawa, Takaya; Nomoto, Ken’ichi; Hamuy Wackenhut, Mario; Quimby, Robert M. (The American Astronomical Society, 2014-10-01)
      We present Hubble Space Telescope (HST) observations of the field of the Type IIb supernova (SN) 2011dh in M51 performed at ≈1161 rest-frame days after explosion using the Wide Field Camera 3 and near-UV filters F225W ...
    • 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 ...
    • Krisciunas, Kevin; Contreras, Carlos; Burns, Christopher R.; Phillips, M. M.; Hamuy, Mario; Stritzinger, Maximilian D.; Anais, Jorge; Boldt, Luis; Busta, Luis; Campillay, Abdo; Castellón, Sergio; Folatelli, Gastón; Freedman, Wendy L.; González, Consuelo; Hsiao, Eric Y.; Krzeminski, Wojtek; Morrell, Nidia; Persson, Sven Eric; Roth, Miguel; Salgado, Francisco; Serón, Jacqueline; Suntzeff, Nicholas B.; Torres, Simón; Filippenko, Alexei V.; Li, Weidong; Madore, Barry F.; DePoy, D. L.; Marshall, Jennifer L.; Rheault, Jean-Philippe; Villanueva, Steven (IOP Publishing Ltd, 2020)
    • Takats, K.; Pignata Libralato, Giuliano; Bersten, M.; Rojas Kaufmann, M. L.; Anderson, J. P.; Folatelli, Gastón; Hamuy Wackenhut, Mario; Stritzinger, M.; Haislip, Joshua B.; LaCluyze, A. P.; Moore, J. P.; Reichart, D. (Oxford Univ. Press, 2016)
      We present optical photometric and spectroscopic observations of the 1987A-like supernova (SN) 2009mw. Our BVRI and g ' r ' i ' z ' photometry covers 167 d of evolution, including the rise to the light-curve maximum, and ...
    • Martínez, L.; Bersten, M. C.; Anderson, J. P.; González Gaitán, S.; Forster Burón, Francisco; Folatelli, Gastón (EDP Science, 2020)
      Context. The progenitor and explosion properties of type II supernovae (SNe II) are fundamental to understanding the evolution of massive stars. Particular attention has been paid to the initial masses of their progenitors, ...
    • 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 ...
    • Folatelli, Gastón; Bersten, Melina C.; Kuncarayakti, Hanindyo; Olivares Estay, Felipe; Anderson, Joseph P.; Holmbo, Simon; Maeda, Keiichi; Morrell, Nidia; Nomoto, Ken’ichi; Pignata Libralato, Giuliano; Stritzinger, Maximilian; Contreras, Carlos; Forster, Francisco; Hamuy Wackenhut, Mario; Phillips, Mark M.; Prieto, José Luis; Valenti, Stefano; Afonso, Paulo; Altenmuller, Konrad; Elliott, Jonny; Greiner, Jochen; Updike, Adria; Haislip, Joshua B.; LaCluyze, Aaron P.; Moore, Justin P.; Reichart, Daniel E. (The American Astronomical Society, 2014-09-01)
      We present extensive optical and near-infrared photometric and spectroscopic observations of the stripped-envelope supernova SN 2010as. Spectroscopic peculiarities such as initially weak helium features and low ...
    • 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 ...
    • Krisciunas, Kevin; Contreras, Carlos; Burns, Christopher R.; Phillips, M. M.; Stritzinger, Maximilian D.; Morrell, Nidia; Hamuy Wackenhut, Mario; Anais, Jorge; Boldt, Luis; Busta, Luis; Campillay, Abdo; Castellón, Sergio; Folatelli, Gastón; Freedman, Wendy L.; González, Consuelo; Hsiao, Eric Y.; Krzeminski, Wojtek; Persson, Sven Eric; Roth, Miguel; Salgado, Francisco; Serón, Jacqueline; Suntzeff, Nicholas B.; Torres, Simón; Filippenko, Alexei V.; Li, Weidong; Madore, Barry F.; DePoy, D. L.; Marshall, Jennifer L.; Rheault, Jean-Philippe; Villanueva, Steven (IOP Publishing, 2017)
      We present final natural-system optical (ugriBV) and near-infrared (YJH) photometry of 134 supernovae (SNe) with probable white dwarf progenitors that were observed in 2004-2009 as part of the first stage of the Carnegie ...
    • 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 ...
    • 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 ...
    • Rodríguez, O.; Pignata Libralato, Giuliano; Hamuy Wackenhut, Mario; Clocchiatti, A.; Phillips, M. M.; Krisciunas, K.; Morrell, N. I.; Folatelli, Gastón; Roth, M.; Castellón, S.; Jang, I. S.; Apostolovski, Y.; López, P.; Marchi, S.; Ramírez, R.; Sánchez, P. (Oxford University Press, 2019)
      Motivated by the advantages of observing at near-IR wavelengths, we investigate Type II supernovae (SNe II) as distance indicators at those wavelengths through the Photospheric Magnitude Method (PMM). For the analysis, we ...
    • Anderson, J. P.; Gutiérrez, C. P.; Dessart, L.; Hamuy Wackenhut, Mario; Galbany, Lluis; Morrell, N. I.; Stritzinger, M. D.; Phillips, M. M.; Folatelli, Gastón; Boffin, H. M. J.; De Jaeger, Thomas; Kuncarayakti, Hanindyo; Prieto, J. L. (EDP Sciences, 2016)
      Context. Spectral modelling of type II supernova atmospheres indicates a clear dependence of metal line strengths on progenitor metallicity. This dependence motivates further work to evaluate the accuracy with which these ...
    • Anderson, J. P.; Gutiérrez, C. P.; Dessart, L.; Hamuy Wackenhut, Mario; Galbany, Lluis; Morrell, N. I.; Stritzinger, M. D.; Phillips, M. M.; Folatelli, Gastón; Boffin, H. M. J.; De Jaeger, Thomas; Kuncarayakti, Hanindyo; Prieto, J. L. (EDP Sciences, 2016)