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19 papers · 2 filters
The Optical Afterglow and z=0.92 Early-type Host Galaxy of the Short GRB 100117A
Wen-fai Fong, Edo Berger, Ryan Chornock +6
We present the discovery of the optical afterglow and early-type host galaxy of the short-duration GRB 100117A. The faint afterglow is detected 8.3 hr after the burst with r_AB = 2…
A Comprehensive Analysis of Fermi Gamma-Ray Burst Data. I. Spectral Components and Their Possible Physical Origins of LAT/GBM GRBs
Bin-Bin Zhang, Bing Zhang, En-Wei Liang +6
We present a systematic analysis of the spectral and temporal properties of 17 GRBs co-detected by GBM and LAT on board the Fermi satellite by May 2010. We performed a time-resolve…
Steady X-Ray Synchrotron Emission in the Northeastern Limb of SN 1006
Satoru Katsuda, Robert Petre, Koji Mori +4
We investigate time variations and detailed spatial structures of X-ray synchrotron emission in the northeastern limb of SN 1006, using two Chandra observations taken in 2000 and 2…
A Theory of Mulicolor Black Body Emission from Relativistically Expanding Plasmas
Asaf Pe'er, Felix Ryde
We consider the emission of photons from the inner parts of a relativistically expanding plasma outflow, characterized by a constant Lorentz factor, Gamma. Photons that are injecte…
The unusual X-ray emission of the short Swift GRB 090515: Evidence for the formation of a magnetar?
A. Rowlinson, P. T. O'Brien, N. R. Tanvir +16
The majority of short gamma-ray bursts (SGRBs) are thought to originate from the merger of compact binary systems collapsing directly to form a black hole. However, it has been pro…
A Magnetohydrodynamic Model of the M87 Jet I: Superluminal Knot Ejections from HST-1 as Trails of Quad Relativistic MHD Shocks
Masanori Nakamura, David Garofalo, David L. Meier
This is the first in a series of papers that introduces a new paradigm for understanding the jet in M87: a collimated relativistic flow in which strong magnetic fields play a domin…