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Carnegie Supernova Project-II: Extending the Near-Infrared Hubble Diagram for Type Ia Supernovae to
M. M. Phillips, Carlos Contreras, E. Y. Hsiao +41
The Carnegie Supernova Project-II (CSP-II) was an NSF-funded, four-year program to obtain optical and near-infrared observations of a "Cosmology" sample of Type Ia supern…
Thermonuclear Supernovae: Prospecting in the Age of Time-Domain and Multi-Wavelength Astronomy
Peter Hoeflich, Chris Ashall, Alec Fisher +6
We show how new and upcoming advances in the age of time-domain and multi-wavelength astronomy will open up a new venue to probe the diversity of SN~Ia. We discuss this in the cont…
Investigating the Unusual Spectroscopic Time-Evolution in SN 2012fr
C. Cain, E. Baron, M. M. Phillips +9
The type Ia supernova (SN) 2012fr displayed an unusual combination of its Si II λλ5972, 6355 features. This includes the ratio of their pseudo equivalent widths, placing it at the…
The first 48: Discovery and progenitor constraints on the Type Ia supernova 2013gy
S. Holmbo, M. D. Stritzinger, B. J. Shappee +26
We present an early-phase -band light curve and visual-wavelength spectra of the normal Type Ia supernova (SN) 2013gy. The light curve is constructed by determining the appropri…
Red vs Blue: Early observations of thermonuclear supernovae reveal two distinct populations?
Maximilian D. Stritzinger, Benjamin J. Shappee, Anthony L. Piro +10
We examine the early phase intrinsic color evolution of a dozen Type~Ia supernovae discovered within three days of the inferred time of first light () and ha…
SN 2012fr: Ultraviolet, Optical, and Near-Infrared Light Curves of a Type Ia Supernova Observed Within a Day of Explosion
Carlos Contreras, M. M. Phillips, Christopher R. Burns +32
We present detailed ultraviolet, optical and near-infrared light curves of the Type Ia supernova (SN) 2012fr, which exploded in the Fornax cluster member NGC 1365. These precise hi…