EPJ Web of Conferences
Volume 64, 2014Physics at the Magnetospheric Boundary
|Number of page(s)||6|
|Section||Physics at the Magnetospheric Boundary in Compact Objects (Part 2)|
|Published online||08 January 2014|
Do we see accreting magnetars in X-ray pulsars?
Moscow M.V. Lomonosov State University, Sternberg Astronomical Institute, 13, Universitetskij pr., 119992 Moscow, Russia
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Published online: 8 January 2014
Strong magnetic field of accreting neutron stars (1014 G) is hard to probe by Xray spectroscopy but can be indirectly inferred from spin-up/spin-down measurement in X-ray pulsars. The existing observations of slowly rotating X-ray pulsars are discussed. It is shown that magnetic fields of neutron stars derived from these observations (or lower limits in some cases) fall within the standard 1012-1013 G range. Claims about the evidence for accreting magnetars are critically discussed in the light of recent progress in understanding of accretion onto slowly rotating neutron stars in the subsonic regime.
© Owned by the authors, published by EDP Sciences, 2014
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