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Jets in Hydrogen-poor Super-luminous Supernovae: Constraints from a Comprehensive Analysis of Radio Observations
D. L. Coppejans, R. Margutti, C. Guidorzi +16
The energy source powering the extreme optical luminosity of hydrogen-stripped Superluminous Supernovae (SLSNe-I) is not known, but recent studies have highlighted the case for a c…
An Empirical Study of Contamination in Deep, Rapid, and Wide-Field Optical Follow-Up of Gravitational Wave Events
P. S. Cowperthwaite, E. Berger, A. Rest +10
We present an empirical study of contamination in deep, rapid, and wide-field optical follow-up searches of GW sources from aLIGO. We utilize dedicated observations during four nig…
Radio Monitoring of the Tidal Disruption Event Swift J164449.3+573451. III. Late-time Jet Energetics and a Deviation from Equipartition
T. Eftekhari, E. Berger, B. A. Zauderer +2
We present continued radio and X-ray observations of the relativistic tidal disruption event Swift J164449.3+573451 extending to d after discovery. The radio data…
Constraints on the Progenitor System of SN 2016gkg from a Comprehensive Statistical Analysis
Niharika Sravan, Pablo Marchant, Vassiliki Kalogera +1
Type IIb supernovae (SNe) present a unique opportunity for understanding the progenitors of stripped-envelope (SE) SNe as the stellar progenitor of several Type IIb SNe have been i…
A VLA Study of High-redshift GRBs II - The Complex Radio Afterglow of GRB 140304A: Shell Collisions and Two Reverse Shocks
Tanmoy Laskar, Edo Berger, Raffaella Margutti +6
We present detailed multi-frequency, multi-epoch radio observations of GRB 140304A at from 1 to 86 GHz and 0.45 d to 89 d. The radio and mm data exhibit unusual multiple…
A VLA Study of High-redshift GRBs I - Multi-wavelength Observations and Modeling of GRB 140311A
Tanmoy Laskar, Edo Berger, Ryan Chornock +3
We present the first results from a recently concluded study of GRBs at with the Karl G. Jansky Very Large Array (VLA). Spanning to GHz and 7 epochs from 1.5…