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Luminosity Distribution of Gamma-ray Burst Optical Afterglows†

Published online by Cambridge University Press:  21 February 2013

X. G. Wang ,
E. W. Liang ,
L. Li ,
J. J. Wei  and
B. Zhang
X. G. Wang
Affiliation:
Department of Physics and GXU-NAOC Center for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China email: lew@gxu.edu.cn
E. W. Liang
Affiliation:
Department of Physics and GXU-NAOC Center for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China email: lew@gxu.edu.cn National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
L. Li
Affiliation:
Department of Physics and GXU-NAOC Center for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China email: lew@gxu.edu.cn
J. J. Wei
Affiliation:
Department of Physics and GXU-NAOC Center for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China email: lew@gxu.edu.cn
B. Zhang
Affiliation:
Department of Physics and GXU-NAOC Center for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China email: lew@gxu.edu.cn Department of Physics and Astronomy, University of Nevada, Las Vegas, NV 89154, USA
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Abstract

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We derive the optical afterglow luminosity distributions at different epoches for gamma-ray bursts (GRBs) from a sample of 146 GRBs that have a well-sampled optical afterglow lightcurve, then explore the luminosity function of GRB optical afterglows using the Monte Carlo simulation. We show that an intrinsic broken power-law luminosity function can well reproduced the observed magnitude distributions.

Keywords

Gamma-Ray Burstluminosity functionMonte Carlo simulation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S290: Feeding Compact Objects: Accretion on All Scales , August 2012 , pp. 335 - 336
Copyright
Copyright © International Astronomical Union 2013

Footnotes

†

Supported by the “973” Program of China (2009CB824800), the National Natural Science Foundation of China (Grants No. 11025313), and Special Foundation for Distinguished Expert Program of Guangxi, the Guangxi Natural Science Foundation (2010GXNSFA013112, 2011GXNSFB018063 and 2010GXNSFC013011), the special funding for national outstanding young scientist (Contract No. 2011-135), and the 3th Innovation Projet of Guangxi University.

References

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