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X-ray observations of the high magnetic field radio pulsar PSR J1814–1744

  • M. J. Pivovaroff (a1), V. M. Kaspi (a1) and F. Camilo (a2)
Abstract

We present X-ray observations of PSR J1814–1744, a 4 s radio pulsar with inferred surface dipole magnetic field strength 5.5 × 1013 G recently discovered in the on-going Parkes multibeam survey. This pulsar’s spin parameters are very similar to those of anomalous X-ray pulsars (AXPs). X-ray emission is not detected from the position of the radio pulsar in observations with ROSAT and ASCA. The derived upper flux limit implies an X-ray luminosity significantly smaller than those of all known AXPs. These results argue that magnetar mechanism invoked to explain X-ray emission from AXPs must depend on more than merely the inferred surface magnetic field strength as estimated from P and .

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      X-ray observations of the high magnetic field radio pulsar PSR J1814–1744
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Copyright
References
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Camilo, et al. 1999, Nature, submitted
Duncan, R.C. & Thompson, C. 1992, ApJ, 392, L9
Fahlman, G.C. & Gregory, P.C. 1981, Nature, 293, 202
Lyne, et al. 1999, MNRAS, in press
Heyl, J.S. & Hernquist, L. 1997 ApJ, 489, L67
Pivovaroff, M.J., Kaspi, V.M. & Camilo, F. 2000, ApJ, submitted
Rho, J. & Peter, R. 1997, ApJ
Thompson, C. & Duncan, R.C. 1996, ApJ, 473, 322
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Proceedings of the International Astronomical Union
  • ISSN: -
  • EISSN: 0252-9211
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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