XMM-Newton sets the record straight: No X-ray emission detected from PSR J0631+1036

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dc.creatorKennea, J.
dc.creatorCordova, F.
dc.creatorChatterjee, S.
dc.creatorCordes, J.
dc.creatorHo, C.
dc.creatorMuch, R.
dc.creatorOosterbroek, T.
dc.creatorParmar, A.
dc.date2002-02-04
dc.date.accessioned2026-07-07T02:02:38Z
dc.date.available2026-07-07T02:02:38Z
dc.descriptionThe pulsar PSR J0631+1036 was discovered during a radio search of Einstein X-ray source error circles. A detection of a 288ms sinusoidal modulation in the ASCA lightcurve, the same period as the radio pulsar, appeared to confirm the association of the X-ray source and the pulsar. Its X-ray spectrum was said to be similar to that of middle aged gamma-ray pulsars such as Geminga. However, an XMM-Newton observation of the PSR J0631+1035 field, along with a re-analysis of VLA data confirming the timing position of the pulsar, show a 75'' discrepancy in location of the X-ray source and the pulsar, and therefore these cannot be the same object. The X-ray source appears to be the counterpart of an A0 star, detected by the XMM-Newton Optical Monitor. No 288ms period was detected from either the area around the pulsar or the bright X-ray source. The upper limit on the X-ray luminosity with relation to the empirically observed correlation between radio measured dE/dt and X-ray luminosity is discussed.
dc.description4 pages, 3 figures. To appear in Proceedings of the Symposium "New Visions of the X-ray Universe in the XMM-Newton and Chandra era", Noordwijk-NL, November 2001
dc.identifierhttps://arxiv.org/abs/astro-ph/0202055
dc.identifierhttp://arxiv.org/abs/astro-ph/0202055
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4110
dc.subjectAstrophysics
dc.titleXMM-Newton sets the record straight: No X-ray emission detected from PSR J0631+1036
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