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The Type II supernovae 2006V and 2006au: two SN 1987A-like events
F. Taddia, M. D. Stritzinger, J. Sollerman +11
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 distinguis…
Unburned Material in the Ejecta of Type Ia Supernovae
Gastón Folatelli, M. M. Phillips, Nidia Morrell +17
(Abridged) The presence of unburned material in the ejecta of normal Type Ia supernovae (SNeIa) is investigated using early-time spectroscopy obtained by the CSP. The tell-tale sig…
A study of the color diversity around maximum light in Type Ia supernovae
Regis Cartier, Francisco Forster, Paolo Coppi +5
From a sample of 12 well-observed Type Ia supernovae, we find clear evidence of correlations between early phase (U-B), (V-R), and (V-I) colors and the velocity shifts of the [Fe I…
Constraining the Properties of SNe~Ia Progenitors from Light Curves
B. Sadler, P. Hoeflich, E. Baron +6
We present an analysis of high precision V light curves (LC) for 18 local Type Ia Supernovae, SNe Ia, as obtained with the same telescope and setup at the Las Campanas Observatory…
The Carnegie Supernova Project: Second Photometry Data Release of Low-Redshift Type Ia Supernovae
Maximilian Stritzinger, M. M. Phillips, Luis Boldt S. +20
The Carnegie Supernova Project (CSP) was a five-year observational survey conducted at Las Campanas Observatory that obtained, among other things, high-quality light curves of ~100…
Discovery and Characterization of an Extremely Deep-Eclipsing Cataclysmic Variable: LSQ172554.8-643839
David Rabinowitz, Suzanne Tourtellotte, Patricio Rojo +5
We report the discovery of an eclipsing cataclysmic variable with eclipse depths > 5.7 mag, orbital period 94.657 min, and peak brightness V~18 at J2000 position 17h 25m 54s.8, -64…