Afterglows from Jetted Gamma-Ray-Burst Remnant: Does the Light Curve Break?

Chin. Phys. Lett.

2000, Vol. 17

Issue (10): 778-780 DOI:

Original Articles

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Afterglows from Jetted Gamma-Ray-Burst Remnant: Does the Light Curve Break?

HUANG Yong-Feng^1,2;DAI Zi-Gao^1,3;LU Tan^1,3

¹Department of Astronomy, Nanjing University, Nanjing 210093 ²Astronomical and Astrophysical Center of East China, Nanjing University, Nanjing 210093 ³Laboratory of Cosmic-Ray and High-Energy Astrophysics, Institute for High-Energy Physics, Chinese Academy of Sciences, Beijing 100039

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HUANG Yong-Feng, DAI Zi-Gao, LU Tan 2000 Chin. Phys. Lett. 17 778-780

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Abstract Afterglows from jetted gamma-ray bursts are generally believed to be characterized by an obvious break in the light curve at the relativistic stage. We show that it is not the case. However, an obvious break does exist at the transition from the relativistic phase to the non-relativistic phase. Although this break itself is parameter-dependent, afterglows from jetted remnant are uniformly characterized by a quick decay during the non-relativistic phase.

Keywords: 98.70.Rz 97.60.Jd 95.30.Lz

Published: 01 October 2000

PACS:	98.70.Rz	(γ-ray sources; γ-ray bursts)
	97.60.Jd	(Neutron stars)
	95.30.Lz	(Hydrodynamics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I10/0778

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