• THE 1990 CALAN TOLOLO SUPERNOVA SEARCH 

      Hamuy Wackenhut, Mario; Maza Sancho, José; Wischnjewsky, M.; Antezana, Roberto; González, L. E.; Barrientos, F. (AMER INST PHYSICS, 1993-12)
      We have started a search for supernovae as a collaboration between the University of Chile and the Cerro Tololo Inter-American Observatory, with the aim of producing a moderately distant (0.01 < z < 0.10) sample of Type ...
    • The absolute luminosities of the Calan/Tololo type Ia supernovae 

      Hamuy Wackenhut, Mario; Phillips, M. M.; Schommer, R. A.; Suntzeff, N. B.; Maza Sancho, José; Avilés, Roberto (AMER INST PHYSICS, 1996-12)
      We examine the absolute luminosities of 29 SNe Ia in the Calan/Tololo survey. We confirm a relation between the peak luminosity of the SNe and the decline rate as measured by the light curve, as suggested by Phillips [ApJ, ...
    • Analysis of blueshifted emission peaks in Type II supernovae 

      Hamuy Wackenhut, Mario; Gonzalez-Gaitán, Santiago; Anderson, Joseph P.; Gutiérrez, Claudia P.; Phillips, M.; Folatelli, G.; Stritzinger, M. D.; Freedman, W. L.; McCarthy, P.; Suntzeff, N.; Thomas-Osip, J. (Royal Astronomical Society, 2014-06-11)
      In classical P-Cygni profiles, theory predicts emission to peak at zero rest velocity. However, supernova spectra exhibit emission that is generally blueshifted. While this characteristic has been reported in many SNe, ...
    • Asteroids in the high cadence transient survey 

      Peña, J.; Fuentes González, Cesar; Forster, F.; Maureira, J. C.; San Martin, J.; Littin, J.; Huijse Heise, Pablo Andrés; Cabrera Vives, G.; Estévez Valencia, Pablo; Galbany, L.; González Gaitan, S.; Martínez, J.; de Jaeger, Th; Hamuy Wackenhut, Mario (IOP Publishing Ltd, 2018)
      We report on the serendipitous observations of solar system objects imaged during the High cadence Transient Survey 2014 observation campaign. Data from this high-cadence wide-field survey was originally analyzed for finding ...
    • An asymmetric explosion as the origin of spectral evolution diversity in type Ia supernovae 

      Maeda, K.; Benetti, S.; Stritzinger, M.; Röpke, F. K.; Folatelli, G.; Sollerman, J.; Taubenberger, S.; Nomoto, K.; Leloudas, G.; Hamuy Wackenhut, Mario; Tanaka, M.; Mazzali, Paolo; Elias Rosa, N. (2010-07-01)
      Type Ia supernovae forman observationally uniform class of stellar explosions, in that more luminous objects have smaller declinerates 1. This one-parameter behaviour allows type Ia supernovae to be calibrated as ...
    • An asymptotic-giant-branch star in the progenitor system of a type Ia supernova 

      Hamuy Wackenhut, Mario; Phillips, M. M.; Suntzeff, Nicholas B.; Maza Sancho, José; González, L. E.; Roth, Miguel; Krisciunas, Kevin; Morrell, Nidia; Green, E. M.; Persson, S. E.; McCarthy, P. J. (NATURE PUBLISHING GROUP, 2003-08-07)
      Stars that explode as supernovae come in two main classes. A type Ia supernova is recognized by the absence of hydrogen and the presence of elements such as silicon and sulphur in its spectrum; this class of supernova is ...
    • A blue point source at the location of supernova 2011DH 

      Hamuy Wackenhut, Mario; Kuncarayakti, Hanindyo; Folatelli, Gaston; Bersten, Melina C.; Benvenuto, Omar; Van Dyk, Schuyler D.; Maeda, Keiichi; Nozawa, Takaya; Nomoto, Ken’ichi; 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 ...
    • Bolometric light curves for 33 type II Plateau Supernovae 

      Bersten, Melina C.; Hamuy Wackenhut, Mario (2009-08-10)
      Using data of three well observed Type II plateau supernovae (SNe II-P), SNe 1987A, 1999em, and 2003hn, and two atmosphere models by Eastman et al. and Dessart & Hillier, we derive calibrations for bolometric corrections ...
    • THE CARNEGIE SUPERNOVA PROJECT: ANALYSIS OF THE FIRST SAMPLE OF LOW-REDSHIFT TYPE-Ia SUPERNOVAE 

      Folatelli, Gastón; Phillips, M. M.; Burns, Christopher R.; Contreras, Carlos; Hamuy Wackenhut, Mario; Freedman, Wendy L.; Persson, S. E.; Stritzinger, Maximilian; Suntzeff, Nicholas B.; Krisciunas, Kevin; Boldt, Luis; Krzeminski, Wojtek; Morrell, Nidia; Roth, Miguel; Salgado, Francisco; Madore, Barry F.; González Tagle, Sergio; Murphy, David; Wyatt, Pamela; Li, Weidong; Filippenko, Alexei V.; Miller, Nicole (2010-01)
      An analysis of the first set of low-redshift (z < 0.08) Type Ia supernovae (SNe Ia) monitored by the Carnegie Supernova Project between 2004 and 2006 is presented. The data consist of well-sampled, high-precision ...
    • The Carnegie Supernova Project: First Photometry Data Release of Low-Redshift Type Ia Supernovae 

      Contreras, Carlos; Hamuy Wackenhut, Mario; Phillips, M. M.; Folatelli, Gastón; Suntzeff, Nicholas B.; Persson, S. E.; Stritzinger, Maximilian; Boldt, Luis; Krzeminski, Wojtek; Morrell, Nidia; Roth, Miguel; Salgado, Francisco; Maureira, María José; Burns, Christopher R.; Freedman, Wendy L.; González Tagle, Sergio; Madore, Barry F.; Murphy, David; Wyatt, Pamela; Li, Weidong; Filippenko, Alexei V. (2009-10)
      The Carnegie Supernova Project is a five-year survey being carried out at the Las Cam- panas Observatory to obtain high-quality light curves of 100 low-redshift Type Ia supernovae in a well-defined photometric system. ...
    • Carnegie Supernova Project: Observations of Type IIn supernovae 

      Hamuy Wackenhut, Mario; Anderson, J.; Taddia, F.; Stritzinger, M.; Sollerman, J.; Phillips, M.; Boldt, L.; Campillay, A.; Castellón, S.; Contreras, C.; Folatelli, G.; Heinrich-Josties, E.; Krzeminski, W.; Morrell, N.; Burns, C.; Freedman, W.; Madore, B.; Persson, S.; Suntzef, N. (EDP Sciences, 2013-04-10)
      Aims. The observational diversity displayed by various Type IIn supernovae (SNe IIn) is explored and quantified. In doing so, a more coherent picture ascribing the variety of observed SNe IIn types to particular progenitor ...
    • The Carnegie Supernova Project: The low-redshift survey 

      Hamuy Wackenhut, Mario; Folatelli, Gastón; Morrell, Nidia; Phillips, Mark M.; González Tagle, Sergio; Suntzeff, Nicholas B.; Persson, S. E.; Roth, Miguel; Krzeminski, Wojtek; Contreras, Carlos; Freedman, Wendy L.; Murphy, D. C.; Madore, Barry F.; Wyatt, P.; Maza Sancho, José; Filippenko, Alexei V.; Li, Weidong; Pinto, P. A. (UNIV CHICAGO PRESS, 2006-01)
      Supernovae are essential to understanding the chemical evolution of the universe. Type Ia supernovae also provide the most powerful observational tool currently available for studying the expansion history of the universe ...
    • Characteristic velocities of stripped-envelope core-collapse supernova cores 

      Maurer, J. I.; Mazzali, Paolo; Deng, J.; Filippenko, Alexei V.; Hamuy Wackenhut, Mario; Kirshner, Robert P.; Matheson, Thomas; Modjaz, Maryam; Pian, E.; Stritzinger, M.; Taubenberger, S.; Valenti, S. (2010)
      The velocity of the inner ejecta of stripped-envelope core-collapse supernovae (CC-SNe) is studied by means of an analysis of their nebular spectra. Stripped-envelope CC-SNe are the result of the explosion of bare cores ...
    • 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, S.; 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. 

      Maza Sancho, José; Hamuy Wackenhut, Mario; González, Luis; Gonzalez Gaitán, Santiago; Gutiérrez, Claudia P.; Antezana, Roberto; De Jaeger, Thomas; Forster, Francisco; Stritzinger, Maximilian D.; Olivares E., Felipe; Phillips, Mark M.; Schulze, Steve; Bolt, Luis; Campillay, Abdo; Castellón, Sergio; Contreras, Carlos; Folatelli, Gaston; Freedman, Wendy L.; Hsiao, Eric; Krzeminski, Wojtek; Krisciunas, Kevin; 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 ...
    • Confrontando Modelos Hidrodinámicos con Observaciones de Supernovas de Tipo II-Plateau 

      Bersten, Melina Cecilia (Universidad de ChileCyberDocs, 2010)
    • Constraints on core-collapse supernova progenitors from explosion site integral field spectroscopy 

      Kuncarayakti, H.; Anderson, J. P.; Galbany, L.; Maeda, K.; Hamuy Wackenhut, Mario; Aldering, G.; Arimoto, N.; Doi, M.; Morokuma, T.; Usuda, T. (EDP Sciences, 2018-05-28)
      Context. Observationally, supernovae (SNe) are divided into subclasses according to their distinct characteristics. This diversity naturally reflects the diversity in the progenitor stars. It is not entirely clear, however, ...
    • Cosmic explosions under scrutiny 

      Hamuy Wackenhut, Mario (Macmillan Publishers Limited, 2011-12-15)
      Stellar explosions known as type Ia supernovae are a significant tool in cosmology, but their exact nature is unknown. Two studies bring an understanding of these cosmic blasts a step closer.
    • Defining photometric peculiar type Ia supernovae 

      González Gaitán, S.; Hsiao, Eric; Pignata Libralato, Giuliano; Förster, F; Gutiérrez, C. P.; Bufano, Filomena; Galbany, Lluis; Folatelli, G; 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 ...
    • Determinación de la Distancia a 12 Supernovas de Tipo II Mediante el Método de la Fotósfera en Expansión 

      Jones Fernández, Matías Ignacio (Universidad de Chile, 2008)
      Hemos usado fotometría y espectroscopía temprana de 12 Supernovas de Tipo II plateau (SNs IIP) para derivar sus distancias mediante el Método de la Fotósfera en expansión (EPM). Hemos realizado este estudio usando dos ...