The pulsar P/P distribution and the postulated solar companion

Details The pulsar P/P distribution and the postulated solar companion The pulsar P/P distribution and the postulated solar companion

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204.1237c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, Sept. 1983, p. 1237-1244.

Physics

6

Companion Stars, Nemesis (Star), Pulsars, Solar System, Star Distribution, Sun, Acceleration (Physics), Hipparcos Satellite, Stellar Rotation

Scientific paper

Evidence for the existence of a companion object in a closed or open orbit about the sun is reviewed. Arguments relating to the existence of such an object are first mentioned, and it is shown that if such an object existed there would be a high probability of detecting it by its gravitational deflection of starlight, which could be measured by the proposed ESA Astrometry Satellite Hipparcos. An analysis of up-to-date pulsar data is presented based on the 294 pulsars with measured period derivatives. It is found that these data do not tend to support the existence of a companion object of the type envisaged by Harrison (1977). The presence of such an object could, however, explain the remarkably low spindown age measured for PSR 1952+29. An upper limit of about 10 to the -8th m/sec per sec is placed on any solar system acceleration.

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