Phase-resolved spectroscopy of the Crab pulsar with XMM-Newton

被引：0
|
作者：
Kirsch, MGF
Kendziorra, E
Staubert, R
机构：
[1] European Space Agcy, XMM Newton Sci Operat Ctr, E-28080 Madrid, Spain
[2] Univ Tubingen, Inst Astron & Astrophys, Abt Astron, D-72076 Tubingen, Germany
来源：
YOUNG NEUTRON STARS AND THEIR ENVIRONMENTS | 2004年 / 218期
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D O I：
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Crab pulsar (PSR B0531+21) has been observed with the EPIC-pn camera on board the ESA XMM-Newton satellite. The high time resolution of the EPIC camera (7 jus) in its special Burst mode in combination with the huge effective area and the high quantum efficiency of the pn-CCD allows phase resolved spectroscopy of good quality over the energy range 0.6-8.5 keV. We performed phase resolved spectroscopy of the modulated flux of the Crab pulsar and found a significant hardening of the photon index. in the inter-pulse region. Also the second pulse is harder in index by 0.1 than the first pulse.
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页码：331 / 334
页数：4
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