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The Carnegie Supernova Project: The Low-Redshift Survey
Mario Hamuy, Gastón Folatelli, Nidia I. Morrell +15
Supernovae are essential to understanding the chemical evolution of the Universe. Type Ia supernovae also provide the most powerful observational tool currently available for study…
SN 2005bf: A Possible Transition Event Between Type Ib/c Supernovae and Gamma Ray Bursts
Gaston Folatelli, Carlos Contreras, M. M. Phillips +22
We present u'g'r'i'BV photometry and optical spectroscopy of the Type Ib/Ic SN 2005bf covering the first ~100 days following discovery. The u'g'BV light curves displayed a double-p…
An Atlas of Spectrophotometric Landolt Standard Stars
Maximilian Stritzinger, Nicholas B. Suntzeff, Mario Hamuy +4
We present CCD observations of 102 Landolt standard stars obtained with the R-C spectrograph on the CTIO 1.5 m telescope. Using stellar atmosphere models we have extended the flux…
An HST Search for Supernovae Accompanying X-ray Flashes
A. M. Soderberg, S. R. Kulkarni, D. B. Fox +24
We present the results from an Hubble Space Telescope/ACS search for supernovae associated with X-ray flashes 020903, 040701, 040812 and 040916. We find strong evidence that XRF 02…
On the Interpretation of High Velocity White Dwarfs as Members of the Galactic Halo
P. Bergeron, Maria Teresa Ruiz, M. Hamuy +4
A detailed analysis of 32 of the 38 halo white dwarf candidates identified by Oppenheimer et al. is presented, based on model atmosphere fits to observed energy distributions built…