The pulsar in GRO J1744-28 at low flux

被引：0
|
作者：
Stark, MJ [1 ]
Ahearn, AM [1 ]
Duva, LJ [1 ]
Jahoda, K [1 ]
机构：
[1] Univ Maryland, College Pk, MD 20742 USA
来源：
ACCRETION PROCESSES IN ASTROPHYSICAL SYSTEMS: SOME LIKE IT HOT! | 1998年 / 431期
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Bursting Pulsar, GRO J1744-28, has been observed with the Rossa X-ray Timing Explorer (RXTE) regularly since the launch of the satellite in December 1995 [1]. This accretion driven pulsar has undergone two outbursts which have been accompanied by significant spin-up of the pulsar. Between these two outbursts, the pulsar was detectable during each observation down to fluxes perhaps one thousandth of the persistent flux at the peak of the first outburst. We observe evidence of a change in the sign of the frequency derivative during the faintest period but the relationship between the observed luminosity and the frequency derivative is complex.
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页码：401 / 404
页数：4
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