Radio-quiet X-ray pulsars in Supernova Remnants and the ``Missing'' Pulsar Problem

Details Radio-quiet X-ray pulsars in Supernova Remnants and the ``Missing'' Pulsar Problem Radio-quiet X-ray pulsars in Supernova Remnants and the ``Missing'' Pulsar Problem

1998-09-10

arxiv.org/abs/astro-ph/9809139v1

Astronomy and Astrophysics

Astrophysics

6 pages, 3 eps figures, LaTex (memsait, epsf). To appear in a special issue of Memorie della Societa' Astronomica Italiana (Pr

Scientific paper

The paradigm that young neutron stars (NSs) evolve as rapidly rotating Crab-like pulsars requires re-examination. Evidence is accumulating that, in fact, many young NS are slowly rotating (P ~ 10-s) X-ray pulsars, lacking in detectable radio emission. We present new results on three radio-quiet NS candidates associated with supernova remnants, which suggests that alternative evolutionary-paths exist for young pulsars. These include the 12-s pulsator in Kes 73, the 7-s pulsar near Kes 75, and the enigmatic X-ray source in RCW 103. We postulate that such objects account for the apparent paucity of radio pulsars in supernova remnants.

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