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iPTF Discovery of the Rapid "Turn On" of a Luminous Quasar
S. Gezari, T. Hung, S. B. Cenko +13
We present a radio-quiet quasar at z=0.237 discovered "turning on" by the intermediate Palomar Transient Factory (iPTF). The transient, iPTF 16bco, was detected by iPTF in the nucl…
SN 2012aa - a transient between Type Ibc core-collapse and superluminous supernovae
R. Roy, J. Sollerman, J. M. Silverman +21
Context: Research on supernovae (SNe) over the past decade has confirmed that there is a distinct class of events which are much more luminous (by mag) than canonical core-…
PTF12os and iPTF13bvn. Two stripped-envelope supernovae from low-mass progenitors in NGC 5806
C. Fremling, J. Sollerman, F. Taddia +19
We investigate two stripped-envelope supernovae (SNe) discovered in the nearby galaxy NGC 5806 by the (i)PTF. These SNe, designated PTF12os/SN 2012P and iPTF13bvn, exploded at a si…
iPTF15dtg: a double-peaked Type Ic Supernova from a massive progenitor
F. Taddia, C. Fremling, J. Sollerman +9
Type Ic supernovae (SNe Ic) arise from the core-collapse of H (and He) poor stars, which could be either single WR stars or lower-mass stars stripped of their envelope by a compani…
The peculiar Type Ia supernova iPTF14atg: Chandrasekhar-mass explosion or violent merger?
M. Kromer, C. Fremling, R. Pakmor +11
iPTF14atg, a subluminous peculiar Type Ia supernova (SN Ia) similar to SN 2002es, is the first SN Ia for which a strong UV flash was observed in the early-time light curves. This h…
The bolometric light curves and physical parameters of stripped-envelope supernovae
S. J. Prentice, P. A. Mazzali, E. Pian +14
The optical and optical/near-infrared pseudo-bolometric light curves of 85 stripped-envelope supernovae (SNe) are constructed using a consistent method and a standard cosmology. Th…
Long-rising Type II supernovae from PTF and CCCP
F. Taddia, J. Sollerman, C. Fremling +17
Supernova (SN) 1987A was a peculiar H-rich event with a long-rising (LR) light curve (LC), stemming from a compact blue supergiant star (BSG). Only a few similar events have been p…