期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 372, 期 1, 页码 L19-L22出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1745-3933.2006.00217.x
关键词
radiation mechanisms: non-thermal; ISM: jets and outflows; gamma-rays: bursts
资金
- National Natural Science Foundation of China [10225314, 10233010]
- National 973 Project on Fundamental Researches of China [NKBRSF G19990754]
- US-Israel BSF
- Danish National Research Foundation
The flat segment, lasting similar to 10(4) s, in the X-ray afterglow of GRB 051221A represents the first clear case of strong energy injection in the external shock of a short gamma-ray burst (GRB) afterglow. In this work, we show that a millisecond pulsar with a dipole magnetic field similar to 10(14) Gauss could well account for that energy injection. The good quality X-ray flat segment thus suggests that the central engine of this short burst may be a millisecond magnetar.
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