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8 papers · 2 filters
Calcium-rich gap transients in the remote outskirts of galaxies
Mansi M. Kasliwal, S. R. Kulkarni, Avishay Gal-Yam +25
From the first two seasons of the Palomar Transient Factory, we identify three peculiar transients (PTF09dav, PTF10iuv, PTF11bij) with five distinguishing characteristics: peak lum…
A Revised View of the Transient Radio Sky
D. A. Frail, S. R. Kulkarni, E. O. Ofek +2
We report on a re-analysis of archival data from the Very Large Array for a sample of ten long duration radio transients reported by Bower and others. These transients have an impl…
SN2010jp (PTF10aaxi): A Jet-Driven Type II Supernova
Nathan Smith, S. Bradley Cenko, Nat Butler +18
We present photometry and spectroscopy of the peculiar TypeII supernova (SN) 2010jp, also named PTF10aaxi. The light curve exhibits a linear decline with a relatively low peak abso…
Swift J2058.4+0516: Discovery of a Possible Second Relativistic Tidal Disruption Flare?
S. Bradley Cenko, Hans A. Krimm, Assaf Horesh +18
We report the discovery by the Swift hard X-ray monitor of the transient source Swift J2058.4+0516 (Sw J2058+05). Our multi-wavelength follow-up campaign uncovered a long-lived (du…
An extremely luminous panchromatic outburst from the nucleus of a distant galaxy
A. J. Levan, N. R. Tanvir, S. B. Cenko +58
Variable X-ray and gamma-ray emission is characteristic of the most extreme physical processes in the Universe, and studying the sources of these energetic photons has been a major…
A VLA search for 5 GHz radio transients and variables at low Galactic latitudes
E. O. Ofek, D. A. Frail, B. Breslauer +5
We present the results of a 5 GHz survey with the Very Large Array, designed to search for short-lived (<1 day) transients and to characterize the variability of radio sources at m…