Now showing items 1-14 of 14

    • Jaeger, T. De; González Gaitán, S.; Hamuy Wackenhut, Mario; Galbany, Lluis; Anderson, J. P.; Phillips, M. M.; Stritzinger, M. D.; Carlberg, R. G.; Sullivan, M.; Gutiérrez, C. P.; Hook, I. M.; Howell, D. Andrew; Hsiao, E. Y.; Kuncarayakti, H.; Ruhlmann-Kleider, V.; Folatelli, Gastón; Pritchet, C.; Basa, S. (Institute of Physics Publishing, 2017)
      The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new ...
    • 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 ...
    • Smith, K.W.; Smartt, S. J.; Young, D. R.; Tonry, J. L.; Denneau, L.; Flewelling, H.; Heinze, A. N.; Weiland, H. J.; Stalder, B.; Rest, A.; Stubbs, C. W.; Anderson, J. P.; Chen, T. -W; Clark, P.; Do, A.; Forster Burón, Francisco; Fulton, M.; Gillanders, J.; McBrien, O. R.; O'Neill, D.; Srivastav, S.; Wright, D. E. (IOP, 2020)
      The Asteroid Terrestrial impact Last Alert System (ATLAS) system consists of two 0.5 m Schmidt telescopes with cameras covering 29 square degrees at plate scale of 1.86 arcsec per pixel. Working in tandem, the telescopes ...
    • Kuncarayakti, Hanindyo; Maeda, Keiichi; Anderson, J. P.; Hamuy Wackenhut, Mario; Nomoto, K.; Galbany, Lluis; Doi, M. (Oxford Univ Press, 2016)
      We present new optical observations of the supernova SN 1978K, obtained in 2007 and 2014 with the Very Large Telescope. We discover that the supernova has not faded significantly, even more than three decades after its ...
    • Kruehler, T.; Kuncarayakti, H.; Schady, P.; Anderson, J. P.; Galbany, Lluis; Gensior, J. (EDP Sciences, 2017)
      Spatially resolved spectroscopy of the environments of explosive transients carries detailed information about the physical properties of the stellar population that gave rise to the explosion, and thus the progenitor ...
    • Prieto, J. L.; Kruehler, T.; Anderson, J. P.; Galbany, Lluis; Kochanek, C. S.; Aquino, E.; Brown, J. S.; Dong, Subo; Forster, Francisco; Holoien, T. W.-S.; Kuncarayakti, H.; Maureira, J. C.; Rosales Ortega, F. F.; Sánchez, S. F.; Shappee, B. J.; Stanek, K. Z. (IOP Publishing, 2016)
      We present Multi Unit Spectroscopic Explorer (MUSE) integral field spectroscopic observations of the host galaxy (PGC 043234) of one of the closest (z = 0.0206, D similar or equal to 90 Mpc) and best-studied tidal disruption ...
    • Anderson, J. P.; James, P. A.; Förster Burón, Francisco; González Gaitán, Santiago; Habergham, Stacey; Hamuy Wackenhut, Mario; Lyman, D. (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. Hα and Galaxy Evolution Explorer ...
    • 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 ...
    • Smartt, S. J.; Valenti, S.; Fraser, M.; Inserra, C.; Young, D. R.; Sullivan, M.; Pastorello, A.; Benetti, S.; Gal-Yam, A.; Knapic, C.; Molinaro, M.; Smareglia, R.; Smith, K.W.; Taubenberger, S.; Yaron, O.; Anderson, J. P.; Ashall, C.; Balland, C.; Baltay, C.; Barbarino, C.; Bauer, Franz Erik; Baumont, S.; Bersier, D.; Blagorodnova, N.; Bongard, S.; Botticella, M.-T.; Bufano, F.; Bulla, M.; Cappellaro, E.; Campbell, H.; Cellier Holzem, F.; Chen, T. W.; Childress, M. J.; Clocchiatti, A.; Contreras, C.; Dall’Ora, M.; Danziger, J.; De Jaeger, Thomas; De Cia, A.; Della Valle, M.; Dennefeld, M.; Elias Rosa, N.; Elman, N.; Feindt, U.; Fleury, M.; Gall, E.; González Gaitán, Santiago; Galbany, Lluis; Morales Garoffolo, A.; Greggio, L.; Guillou, L. L.; Hachinger, S.; Hadjiyska, E.; Hage, P. E.; Hillebrandt, W.; Hodgkin, S.; Hsiao, E. Y.; James, P. A.; Jerkstrand, A.; Kangas, T.; Kankare, E.; Kotak, R.; Kromer, M.; Kuncarayakti, H.; Leloudas, G.; Lundqvist, P.; Lyman, J. D.; Hook, I. M.; Maguire, K.; Manulis, I.; Margheim, S.; Mattila, S.; Maund, J. R.; Mazzali, P.; McCrum, M.; McKinnon, R.; Moreno Raya, M. E.; Nicholl, M.; Nugent, P. E.; Pain, R.; Pignata Libralato, Giuliano; Phillips, M. M.; Polshaw, J.; Pumo, M. L.; Rabinowitz, D.; Reilly, E.; Romero Cañizales, C.; Scalzo, R.; Schmidt, B.; Schulze, Steve; Sim, S. A.; Sollerman, J.; Taddia, F.; Tartaglia, L.; Terreran, G.; Tomasella, L.; Turatto, M.; Walker, E.; Walton, N. A.; Wyrzykowski, L.; Yuan, F.; Zampieri, L. (EDP Sciences, 2015)
      Context. The Public European Southern Observatory Spectroscopic Survey of Transient Objects (PESSTO) began as a public spectroscopic survey in April 2012. PESSTO classifies transients from publicly available sources and ...
    • 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 ...
    • Stritzinger, M. D.; Anderson, J. P.; Contreras, C.; Hamuy Wackenhut, Mario (EDP Sciences, 2018)
      The first phase of the Carnegie Supernova Project (CSP-I) was a dedicated supernova follow-up program based at the Las Campanas Observatory that collected science data of young, low-redshift supernovae between 2004 and ...
    • 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 ...
    • 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)