期刊
ASTROPHYSICAL JOURNAL
卷 747, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/747/1/74
关键词
ISM: individual objects (Guitar Nebula); pulsars: individual (PSR B2224+65); X-rays: stars
资金
- National Research Foundation of Korea [2011-0023383]
- Carl-Zeiss-Stiftung
- Deutsche Forschungsgemeinschaft (DFG) [SFB/TR-7, SFB TR7]
- Government of the Hong Kong SAR [HKU 7009/11P]
- National Research Foundation of Korea [2011-0023383] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We have investigated the pulsar PSR B2224+65 and its X-ray jet with XMM-Newton. Apart from the long X-ray jet which is almost perpendicular to the direction of proper motion, a putative extended feature at the pulsar position, which is oriented in the opposite direction to the proper motion, is also suggested by this deep X-ray imaging. Non-detection of any coherent X-ray pulsation disfavors the magnetospheric origin of the X-rays observed from the position of PSR B2224+65 and hence suggests that the interpretation of pulsar wind nebula is more viable. We have also probed the origin of PSR B2224+65 and identified a runaway star, which possibly originated from the Cygnus OB9 association, as a candidate for the former binary companion of the neutron star's progenitor.
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