伽玛暴(Gamma-Ray Burst)笔记。记录有关伽玛暴的新文章,另外也包括看的老文章、自己的想法、以及跟天文相关的一些东西。 Feel free to leave me a message by comments or by email.

星期一, 三月 30, 2009

Balazs 2009 光学亮暴和暗暴在伽玛和X射线的表现是有区别的

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· arXiv e-print (arXiv:0903.5275)
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Title:
Observational difference between gamma and X-ray properties of optically dark and bright GRBs
Authors:
Balazs, L. G.; Horvath, I.; Bagoly, Z.; Meszaros, A.; Veres, P.
Publication:
eprint arXiv:0903.5275
Publication Date:
03/2009
Origin:
ARXIV
Keywords:
Astrophysics - Cosmology and Extragalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Comment:
Santa Fe proc
Bibliographic Code:
2009arXiv0903.5275B

Abstract

Using the discriminant analysis of the multivariate statistical analysis we compared the distribution of the physical quantities of the optically dark and bright GRBs, detected by the BAT and XRT on board of the Swift Satellite. We found that the GRBs having detected optical transients (OT) have systematically higher peak fluxes and lower HI column densities than those without OT.
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