The Nature of AX J0051-733 in the SMC: A Pulsar Born with Ultrastrong Magnetic Field?

Details The Nature of AX J0051-733 in the SMC: A Pulsar Born with Ultrastrong Magnetic Field? The Nature of AX J0051-733 in the SMC: A Pulsar Born with Ultrastrong Magnetic Field?

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap%26ss.305..133l&link_type=abstract

Astrophysics and Space Science, Volume 305, Issue 2, pp.133-138

Astronomy and Astrophysics

Astrophysics

1

Binaries, Close&Ndash, Pulsars, Individual, Ax J0051-733&Ndash, Stars, Neutron Star&Ndash, X-Rays, Stars&Ndash, Stars, Emission-Line, Be

Scientific paper

We investigate the nature of the pulsar of the Be/X-ray binary, AX J0051-733. Although the system has a very short orbital period, it meets the basic definition of Be/X-ray binaries. We argue that, in order to interpret such a short orbital period, the initial magnetic field strength of the pulsar must be between 4.2×1013 5×1015 G, if typical values of the parameters chosen. Thus, the pulsar was most likely born as a magnetar. We further suggest that magnetar descendants can also be found among the massive X-ray binaries with extremely short-orbit periods, in addition to among the X-ray binaries with very long pulse periods.

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