The Mass of the PSR:2303+46 System

Details The Mass of the PSR:2303+46 System The Mass of the PSR:2303+46 System

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.246p..15l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 246, NO.2/SEP15, P. 15P, 1990

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15

Scientific paper

As the result of timing observations over the last year using the 76-m Lovell Telescope at Jodrell Bank, we have determined the rate of periastron advance of the binary pulsar PSR 2303+46 to be dotω=0°.0108±0.0008 yr-1. If the advance of periastron is solely due to relativistic effects, then the total mass of the system is 2.9±0.3 Msun, consistent with a pair of neutron stars both close to the Chandrasekhar mass of 1.4 Msun. The mass of the PSR 2303+46 system is remarkably close to that of the PSR 1913+16 system, which contains the only other two neutron stars with accurately determined masses.

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