Discovery of a 6.1-ms binary pulsar PSR1953 + 29

Details Discovery of a 6.1-ms binary pulsar PSR1953 + 29 Discovery of a 6.1-ms binary pulsar PSR1953 + 29

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.304..417b&link_type=abstract

Nature (ISSN 0028-0836), vol. 304, Aug. 4, 1983, p. 417-419. Research supported by the Consiglio Nazionale delle Ricerche.

Astronomy and Astrophysics

Astronomy

103

Binary Stars, Pulsars, Spaceborne Astronomy, Stellar Spectrophotometry, Cos-B Satellite, Doppler Effect, Gamma Ray Astronomy, Periodic Variations, Stellar Mass

Scientific paper

A systematic search within the error box of the COS-B satellite for fast pulsars revealed the presence of a pulsar with a (PSR1953 + 29) 6.13317 msec period in a binary system. Timing accuracy was assured with a 20 kHz bandwidth per filter when scanning at 430 MHz. The observations were made in July 1980 and March 1983, and an orbital period of 120 days was measured. A VLA map of the area is provided, together with average pulse profiles, which show a central peak and two wings half the strength of the center component. Upper limits on the flux were detected with the Einstein Observatory and found to be less than 0.1. Searches for detectable effects of the companion's atmosphere on the pulsar profile are recommended, together with optical viewing.

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