XMM-NEWTON OBSERVATION OF PSR B2224+65 AND ITS JET

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...

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Bibliographic Details
Published in:The Astrophysical journal 2012-03, Vol.747 (1), p.1-12
Main Authors: HUI, C. Y, HUANG, R. H. H, TREPL, L, TETZLAFF, N, TAKATA, J, WU, E. M. H, CHENG, K. S
Format: Article
Language:English
Subjects:
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
Coherence
Earth, ocean, space
Exact sciences and technology
NEBULAE
NEUTRON STARS
Origins
Progenitors (astrophysics)
PROPER MOTION
PULSARS
Pulsation
PULSATIONS
Stars
STELLAR WINDS
X RADIATION
X-rays
XMM (spacecraft)
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Summary: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.
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/747/1/74