Mirabal, N. 找GRB 060218的周期性信号

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Title:		A Search for Pulsations from the Compact Object of GRB 060218
Authors:		Mirabal, N.
Publication:		eprint arXiv:0907.1801
Publication Date:		07/2009
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena
Comment:		4 pages, 2 figures, submitted to A&A
Bibliographic Code:		2009arXiv0907.1801M

Abstract

A fraction of massive stars is expected to collapse to compact objects (accreting black holes or rapidly rotating neutron stars) that successfully produce gamma-ray bursts (GRBs). We examine the possibility of directly observing these gamma-ray burst compact objects (GCOs) using post-explosion observations of past and future GRB sites. In particular, we present a search for early pulsations from the nearby (z=0.0335) gamma-ray burst GRB 060218, which exhibited features possibly consistent with a rapidly spinning neutron star as its underlying GCO. We also consider alternative techniques that could potentially achieve a detection of GCOs either in the Local Volume or near the plane of our own Galaxy.

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