RXTE observation of PSR1706-44

被引:0
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作者
Ray, A [1 ]
Harding, AK [1 ]
Strickman, M [1 ]
机构
[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
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中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on results of an observation with the Rossi X-Ray Timing Explorer of PSR1706-44, to search for pulsed X-ray emission. FSR1706-44 is a radio and high-energy gamma-ray pulsar (detected by EGRET), but no pulsed emission has been detected in the X-ray band. Since most of the other known gamma-ray pulsars emit pulsed X-rays, it is expected that PSR1706-44 would also be an X-ray pulsar. However, ROSAT detected a source at the pulsar position, but did not detect pulsations, giving a pulsed fraction upper limit of 18%. We report here results of a search for modulation at the pulsar period from our approximate to 90K second RXTE observation (out of the total approved time of 147 K second), carried out in November 1996 during a low state of the nearby X-ray binary 4U1705-44.
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页码:607 / 611
页数:5
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