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Direct evidence for a supernova interacting with a large amount of hydrogen-free circumstellar material
Sagi Ben-Ami, Avishay Gal-Yam, Paolo A. Mazzali +16
We present our observations of SN 2010mb, a Type Ic SN lacking spectroscopic signatures of H and He. SN 2010mb has a slowly-declining light curve (days) that cannot be p…
Discovery of a Cosmological, Relativistic Outburst via its Rapidly Fading Optical Emission
S. Bradley Cenko, S. R. Kulkarni, Assaf Horesh +26
We report the discovery by the Palomar Transient Factory (PTF) of the transient source PTF11agg, which is distinguished by three primary characteristics: (1) bright, rapidly fading…
Type Ia Supernovae Strongly Interacting with Their Circumstellar Medium
Jeffrey M. Silverman, Peter E. Nugent, Avishay Gal-Yam +31
Owing to their utility for measurements of cosmic acceleration, Type Ia supernovae (SNe) are perhaps the best-studied class of SNe, yet the progenitor systems of these explosions l…
An Emerging Coherent Picture of Red Supergiant Supernova Explosions
Dovi Poznanski
Three lines of evidence indicate that in the most common type of core collapse supernovae, the energy deposited in the ejecta by the exploding core is approximately proportional to…