Now showing items 1-17 of 17

    • Carnegie supernova project-II: The near-infrared spectroscopy program 

      Hsiao, E. Y.; Phillips, M. M.; Marion, G. H.; Kirshner, R. P.; Morrell, N.; Sand, D. J.; Burns, C. R.; Contreras, C.; Hoeflich, P.; Stritzinger, M. D.; Valenti, S.; Anderson, J. P.; Ashall, C.; Baltay, C.; Baron, E.; Banerjee, D. P.K.; Davis, S.; Diamond, T. R.; Folatelli, Gastón (Institute of Physics Publishing, 2019)
      Shifting the focus of Type Ia supernova (SN Ia) cosmology to the near infrared (NIR) is a promising way to significantly reduce the systematic errors, as the strategy minimizes our reliance on the empirical width-luminosity ...
    • Carnegie Supernova Project: Observations of Type IIn supernovae 

      Taddia, F.; Stritzinger, M.; Sollerman, J.; Phillips, M. M.; Anderson, J. P.; Boldt, L.; Campillay, A.; Castellón, S.; Contreras, C.; Folatelli, Gastón; Hamuy Wackenhut, Mario; Heinrich-Josties, E.; Krzeminski, W.; Morrell, N.; Burns, C.; Freedman, W.; Madore, B.; Persson, S.; Suntzeff, Nicholas B. (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 ...
    • Comprehensive observations of the bright and energetic Type lax SN 2012Z: Interpretation as a Chandrasekhar mass white dwarf explosion 

      Stritzinger, M.; Valenti, S.; Hoeflich, P.; Baron, E.; Phillips, M.; Taddia, F.; Foley, R.; Hsiao, Eric; Jha, S.; McCully, C.; Pandya, V.; Simon, J.; Benetti, S.; Brown, P.; Burns, C.; Campillay, A.; Contreras, C.; Förster Burón, Francisco; Holmbo, S.; Marion, G.; Morrell, N.; Pignata Libralato, Giuliano (EDP Sciences, 2015)
      We present ultraviolet through near-infrared (NIR) broadband photometry, and visual-wavelength and NIR spectroscopy of the Type lax supernova (SN) 2012Z. The data set consists of both early- and late-time observations, ...
    • A hubble diagram from TYPE II supernovae based solely on photometry: the photometric color method 

      De Jaeger, Thomas; González Gaitán, Sebastián; Anderson, J. P.; Galbany, Lluis; Hamuy Wackenhut, Mario; Phillips, M. M.; Stritzinger, M.; Gutiérrez, C.; Bolt, L.; Burns, C.; Campillay, A.; Castellón, S.; Contreras, C.; Folatelli, Gastón; Freedman, W. L.; Hsiao, Eric; Krisciunas, K.; Krzeminski, W.; Kuncarayakti, Hanindyo; Morrell, N.; Olivares, F.; Persson, S.; Suntzeff, Nicholas B. (The American Astronomical Society, 2015-12-20)
      We present a Hubble diagram of SNe II using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegie Supernovae Project I for which optical and ...
    • Observed type II supernova colours from the carnegie supernova project-I 

      De Jaeger, Thomas; Anderson, J. P.; Galbany, Lluis; González Gaitán, Santiago; Hamuy Wackenhut, Mario; Phillips, M. M.; Stritzinger, M. D.; Contreras, C.; Folatelli, Gastón; Gutiérrez, C. P.; Hsiao, E. Y.; Morrell, N.; Suntzeff, Nicholas B.; Dessart, L.; Filippenko, A. V. (Oxford University Press, 2018-06)
      We present a study of observed Type II supernova (SN II) colours using optical/near-infrared photometric data from the Carnegie Supernovae Project-I. We analyse four colours (B - V, u - g, g - r, and g - Y) and find that ...
    • Optical and near-IR observations of the faint and fast 2008ha-like supernova 2010ae 

      Stritzinger, M. D.; Hsiao, Eric; Valenti, S.; Taddia, F.; Rivera Thorsen, T. J.; Leloudas, G.; Maeda, K.; Pastorello, A.; Phillips, M. M.; Pignata Libralato, Giuliano; Baron, E.; Burns, C. R.; Contreras, C.; Folatelli, Gastón; Hamuy Wackenhut, Mario; Höflich, P.; Morrell, N.; Prieto, J. L.; Benetti, S.; Campillay, A.; Haislip, Joshua B.; LaClutze, A. P.; Moore, J. P.; Reichart, D. E. (ESO, 2014)
      A comprehensive set of optical and near-infrared (NIR) photometry and spectroscopy is presented for the faint and fast 2008halike supernova (SN) 2010ae. Contingent on the adopted value of host extinction, SN 2010ae reached ...
    • SN 2009N: linking normal and subluminous Type II-P SNe 

      Takats, K.; Pumo, M. L.; Elías-Rosa, N.; Pastorello, A.; Pignata Libralato, Giuliano; Paillas, E.; Zampieri, L.; Anderson, J. P.; Vinko, J.; Benetti, S.; Botticella, María Teresa; Bufano, Filomena; Campillay, A.; Cartier Ugarte, Regis; Ergon, M.; Folatelli, Gastón; Foley, R. J.; Forster, Francisco; Hamuy Wackenhut, Mario; Hentunen, V.-P.; Kankare, E.; Leloudas, G.; Morrell, N.; Nissinen, M.; Phillips, M. M.; Smartt, S. J.; Stritzinger, M.; Taubenberger, S.; Valenti, S.; Van Dyk, S. D.; Haislip, Joshua B.; LaCluyze, Aaron P.; Moore, J. P.; Reichart, D. (Royal Astronomical Society, 2014-02-11)
      We present ultraviolet, optical, near-infrared photometry and spectroscopy of SN 2009N in NGC 4487. This object is a Type II-P supernova with spectra resembling those of subluminous II-P supernovae, while its bolometric ...
    • SN 2011A: A Low-Luminosity Interacting Transient With A Double Plateau And Strong Sodium Absorption 

      De Jaeger, Thomas; Anderson, J. P.; Pignata Libralato, Giuliano; Hamuy Wackenhut, Mario; Kankare, E.; Stritzinger, M. D.; Benetti, S.; Bufano, Filomena; Elias-Rosa, Nancy; Folatelli, Gastón; Forster, Francisco; González Gaitán, Santiago; Gutiérrez, C. P.; Inserra, C.; Kotak, R.; Lira Teillery, Paulina; Morrell, N.; Taddia, F.; Tomasella, L. (IOP Publisihing, 2015)
      We present optical photometry and spectroscopy of the optical transient SN 2011A. Our data span 140 days after discovery including BVRI u'g'r'i'z' photometry and 11 epochs of optical spectroscopy. Originally classified as ...
    • SN 2011hs: a fast and faint Type IIb supernova from a supergiant progenitor 

      Bufano, Filomena; Pignata Libralato, Giuliano; Bersten, M.; Mazzali, Paolo; Ryder, S. D.; Margutti, R.; Milisavljevic, D.; Morelli, L.; Benetti, S.; Cappellaro, E.; González Gaitán, E.; Romero Canizales, C.; Stritzinger, M.; Walker, E. S.; Anderson, J. P.; Contreras, C.; De Jaeger, Thomas; Forster, Francisco; Gutiérrez, Claudia P.; Hamuy Wackenhut, Mario; Hsiao, Eric; Morrell, N.; Olivares, F.; Paillas, E.; Parker, S.; Pian, E.; Pickering, T. E.; Sanders, N.; Stockdale, C.; Turatto, M.; Valenti, S.; Fesen, R. A.; Maza Sancho, José; Nomoto, K.; Phillips, M. M.; Soderberg, A. (Royal Astronomical Society, 2014)
      Observations spanning a large wavelength range, from X-ray to radio, of the Type IIb supernova (SN) 2011hs are presented, covering its evolution during the first year after explosion. The optical light curve presents a ...
    • A statistical analysis of circumstellar material in Type Ia supernovae 

      Maguire, K.; Sullivan, M.; Patat, F.; Gal-Yam, A.; Hook, I. M.; Dhawan, S.; Howell, D. A.; Mazzali, P.; Nugent, P. E.; Pan, Y. C.; Podsiadlowski, P.; Simon, J. D.; Sternberg, A.; Valenti, S.; Baltay, C.; Bersier, D.; Blagorodnova, N.; Chen, T. W.; Ellman, N.; Feindt, U.; Förster, Francisco; Fraser, M.; González Gaitán, Santiago; Graham, M. L.; Gutiérrez, C.; Hachinger, S.; Hadjiyska, E.; Inserra, C.; Knapic, C.; Laher, R. R.; Leloudas, G.; Margheim, S.; McKinnon, R.; Molinaro, M.; Morrell, N.; Ofek, E. O.; Rabinowitz, D.; Rest, A.; Sand, D.; Smareglia, R.; Smartt, S. J.; Taddia, F.; Walker, E. S.; Walton, N. A.; Young, D. R. (Oxford University Press, Royal Astronomical Society, 2013)
      A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence of circumstellar material surrounding the ...
    • 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 ...
    • 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, Francisco; 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.; De Cia, A.; 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.; Woźniak, P. R.; Yaron, O. (EDP Sciencies, 2015-03-03)
      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 ...
    • Supernova 2008J: early time observations of a heavily reddened SN 2002ic-like transient 

      Taddia, F.; Stritzinger, M. D.; Phillips, M. M.; Burns, C. R.; Heinrich Josties, E.; Morrell, N.; Sollerman, J.; Valenti, S.; Anderson, J. P.; Boldt, L.; Campillay, A.; Castellón, S.; Contreras, C.; Folatelli, Gastón; Freedman, W. L.; Hamuy Wackenhut, Mario; Krzeminski, W.; Leloudas, G.; Maeda, K.; Persson, S. E.; Roth, M.; Suntzeff, Nicholas B. (2012)
      Aims. We provide additional observational evidence that some Type Ia supernovae (SNe Ia) show signatures of circumstellar interaction (CSI) with hydrogen-rich material. Methods. Early phase optical and near-infrared (NIR) ...
    • 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 ...
    • The Type II supernovae 2006V and 2006au: two SN 1987A-like events 

      Taddia, F.; Stritzinger, M. D.; Sollerman, J.; Phillips, M. M.; Anderson, Joseph P.; Ergon, M.; Folatelli, Gastón; Fransson, C.; Freedman, W.; Hamuy Wackenhut, Mario; Morrell, N.; Pastorello, A.; Persson, S. E.; González, S. (EDP SCIENCES S A, 2012-01)
      Context. Supernova 1987A revealed that a blue supergiant (BSG) star can end its life as a core-collapse supernova (SN). SN 1987A and other similar objects exhibit properties that distinguish them from ordinary Type II ...
    • Type II Plateau supernovae as metallicity probes of the Universe 

      Dessart, L.; Gutiérrez, Claudia P.; Hamuy Wackenhut, Mario; Hillier, D. J.; Lanz, T.; Anderson, J. P.; Folatelli, Gastón; Freedman, W. L.; Ley, F.; Morrell, N.; Persson, S. E.; Phillips, M. M.; Stritzinger, M.; Suntzeff, Nicholas B. (2014-05-11)
      We explore a method for metallicity determinations based on quantitative spectroscopy of Type II-Plateau supernovae (SNe II-P). For consistency, we first evolve a set of 15 M main-sequence stars at 0.1, 0.4, 1, and 2 ...
    • The underluminous Type Ia supernova 2005bl and the class of objects similar to SN 1991bg 

      Taubenberger, S.; Hachinger, S.; Pignata Libralato, Giuliano; Mazzali, Paolo; Contreras, C.; Valenti, S.; Pastorello, A.; Elias Rosa, L.; Bärnbantner, O.; Barwig, H.; Benetti, S.; Dolci, M.; Fliri, J.; Folatelli, Gastón; Freedman, W. L.; González, S.; Hamuy Wackenhut, Mario; Krzeminski, W.; Morrell, N.; Navasardyan, H.; Persson, S. E.; Phillips, M. M.; Ries, C.; Roth, M.; Suntzeff, Nicholas B.; Turatto, M.; Hillebrandt, W. (2008)
      Optical observations of the Type Ia supernova (SN Ia) 2005bl in NGC 4070, obtained from −6 to +66 d with respect to the B-band maximum, are presented. The photometric evolution is characterized by rapidly declining light ...