Now showing items 1-13 of 13

    • 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 ...
    • Medina, Gustavo E.; Muñoz Vidal, Ricardo Rodrigo; Katherina Vivas, A.; Carlin, Jeffrey L.; Forster, Francisco; Martínez, Jorge; Galbany, Lluis; González Gaitán, Santiago; Hamuy Wackenhut, Mario; De Jaeger, Thomas; Maureira, Juan Carlos; San Martín Aristegui, Jaime (IOP Publishing Ltd, 2018)
      We report the discovery of distant RR Lyrae stars, including the most distant known in the Milky Way, using data taken in the g-band with the Dark Energy Camera as part of the High cadence Transient Survey (HiTS; 2014 ...
    • De Jaeger, Thomas; Anderson, J.; Pignata Libralato, Giuliano; Hamuy Wackenhut, Mario (International Astronomical Union, 2013)
      We present optical photometry and spectrosopy of the transient SN 2011A. Our data spans 140 days after discovery including BVRIu’g’r’i’z’ photometry and a sequence of 11 spectra. First classified as a type IIn supernova ...
    • 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 ...
    • Cucchiara, A.; Prochaska, J. X.; Zhu, G.; Ménard, B.; Fynbo, J. P. U.; Fox, D. B.; Chen, H. W.; Cooksey, K. L.; Cenko, S. B.; Perley, D.; Bloom, J. S.; Berger, E.; Tanvir, N. R.; D’Elia, V.; Lopez, S.; Chornock, R.; De Jaeger, Thomas (The American Astronomical Society, 2013-08)
      In 2006, Prochter et al. reported a statistically significant enhancement of very strong Mgii absorption systems intervening the sight lines to gamma-ray bursts (GRBs) relative to the incidence of such absorption along ...
    • Kuncarayakti, Hanindyo; Maeda, Keiichi; Bersten, Melina Cecilia; Folatelli, Gastón; Morrell, Nidia; Hsiao, Eric; González Gaitán, Santiago; Anderson, J. P.; Hamuy Wackenhut, Mario; De Jaeger, Thomas; Gutiérrez, C. P.; Kawabata, K. S. (EDP Sciences, 2015)
      Aims. We present and analyse late-time observations of the Type-Ib supernova with possible pre-supernova progenitor detection, iPTF13bvn, which were done similar to 300 days after the explosion. We discuss them in the ...
    • 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 ...
    • 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 ...
    • González Gaitán, Santiago; Tominaga, N.; Molina, J.; Galbany, Lluis; Bufano, Filomena; Anderson, Joseph P.; Gutierrez, C.; Förster, F.; Pignata Libralato, Giuliano; Bersten, Melina; Howell, D. A.; Sullivan, M.; Carlberg, R.; De Jaeger, Thomas; Hamuy Wackenhut, Mario; Baklanov, P. V.; Blinnikov, S. I. (Oxford University Press, 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 ...
    • 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 ...
    • 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 ...
    • Martínez Palomera, Jorge; Forster, Francisco; Protopapas, Pavlos; Maureira, Juan Carlos; Lira Teillery, Paulina; Cabrera Vives, Guillermo; Huijse Heise, Pablo Andrés; Galbany, Lluis; De Jaeger, Thomas; González Gaitán, Santiago; Medina, Gustavo; Pignata Libralato, Giuliano; San Martín Aristegui, Jaime; Hamuy Wackenhut, Mario; Muñoz Vidal, Ricardo Rodrigo (2018)
      The High Cadence Transient Survey (HiTS) aims to discover and study transient objects with characteristic timescales between hours and days, such as pulsating, eclipsing and exploding stars. This survey represents a ...
    • Galbany, Lluis; Hamuy Wackenhut, Mario; Phillips, Mark M.; Suntzeff, Nicholas B.; Maza Sancho, José; De Jaeger, Thomas; Moraga, Tania; González Gaitán, Santiago; Krisciunas, Kevin; Morrell, Nidia; Thomas Osip, Joanna; Krzeminski, Wojtek; Gonzalez, Luis; Antezana, Roberto; Wishnjewski, Marina; McCarthy, Patrick; Anderson, Joseph; Gutierrez, Claudia; Stritzinger, Maximilian; Folatelli, Gastón; Anguita, Claudio; Galaz, Gaspar, 1967-; Green, Elisabeth; Impey, Chris; Kim, Yong-Cheol; Kirhakos, Sofia; Malkan, Mathew; Mulchaey, John; Phillips, Andrew; Pizzella, Alessandro; Prosser, Charles; Schmidt, Brian; Schommer, Robert; Sherry, William; Strolger, Louis; Wells, Lisa; Williger, Gerard (OP PUBLISHING, 2016)
      We present a compilation of UBVRIz light curves of 51 type II supernovae discovered during the course of four different surveys during 1986-2003: the Cerro Tololo Supernova Survey, the Calan/Tololo Supernova Program (C&T), ...