A K-S Test for the Distinctions of Some Spectral and Light Curve Characters of the Two Classes of Gamma-Ray Bursts

PENG Zhao-yang; Qin Yi-ping

Astronomical Research and Technology > 2006 > 3(3): 228-238.

PENG Zhao-yang, Qin Yi-ping. A K-S Test for the Distinctions of Some Spectral and Light Curve Characters of the Two Classes of Gamma-Ray Bursts[J]. Astronomical Research and Technology, 2006, 3(3): 228-238.

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A K-S Test for the Distinctions of Some Spectral and Light Curve Characters of the Two Classes of Gamma-Ray Bursts

PENG Zhao-yang^1,2,
Qin Yi-ping¹

1.
National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.
The Graduate School of the Chinese Academy of Science, Beijing 100039, China

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Received Date: August 29, 2005
Revised Date: October 24, 2006
Published Date: July 14, 2006

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Abstract

Abstract

Recent research suggests that the emission properties of short gamma-ray bursts(GRBs) are similar to that of long GRBs in the first 2 s,if the two classes of bursts are intrinsically the same.We mainly present in this paper a K-S test on the distributions of two quantities associated with the spectra and light curves of GRBs.Our analysis shows that the distributions differ for the two classes of GRBs,in agreement with the generally accepted view that they are events arising from different mechanisms.
- gamma ray bursts,
- gamma ray:BATSE catalog data,
- FR and TR,
- statistical analysis

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