A new binary pulsar in a highly eccentric orbit

Details A new binary pulsar in a highly eccentric orbit A new binary pulsar in a highly eccentric orbit

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...294l..21s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 294, July 1, 1985, p. L21-L24. NSF-supported resear

Other

51

Binary Stars, Eccentric Orbits, Pulsars, Stellar Evolution, Stellar Orbits, Companion Stars, Neutron Stars, Stellar Mass

Scientific paper

The discovery of PSR 2303 + 46, the fifth radio pulsar known to be in a gravitationally bound orbit around another star, is reported. The pulsar period (1.066 s) and the orbital eccentricity (0.658) are the largest among the five binary systems, while the orbital period (12.34d) lies near the middle of the range. Evolutionary considerations suggest strongly that the companion is another neutron star. The general relativistic precession of periastron should be observable within 1 or 2 yr and, when measured, will specify the total mass of the two stars.

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