8th HEAD Meeting, 8-11 September, 2004
Session 11 Pulsars and Magnetars
Oral, Wednesday, September 8, 2004, 4:00-5:30pm

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[11.05] Chandra Detection of a High-Magnetic-Field Radio Pulsar

V. M. Kaspi (McGill University), M. A. McLaughlin, D. R. Lorimer, A.G. Lyne, M. Kramer, A. J. Faulkner (Jodrell Bank Observatory), I. H. Stairs (University of British Columbia), R. N. Manchester, G. Hobbs (ATNF/CSIRO), F. Camilo (Columbia University), A. Possenti, N. D'Amico (Osservatorio Astronomica di Cagliari)

The recently discovered radio pulsar PSR J1718-37184 has an inferred dipolar magnetic field strength of 7.4x1013 G. This is higher than that inferred for the well-known ``Anomalous X-ray Pulsar,'' 1E 2259+586, which is thought to be a magnetar. Here we report on a serendipitous Chandra X-ray Observatory detection of this pulsar. We show that the pulsar's X-ray luminosity is consistent with that expected simply from initial cooling of a young neutron star. Thus, in spite of the apparently magnetar-strength field in this radio pulsar, it shows no evidence for any magnetar-like emission. We discuss the implications for the magnetar model.

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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.