Gravitational radiation and the binary pulsar

Details Gravitational radiation and the binary pulsar Gravitational radiation and the binary pulsar

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.297..357t&link_type=abstract

Nature, vol. 297, June 3, 1982, p. 357, 358.

Computer Science

1

Binary Stars, Gravitational Waves, Pulsars, Relativity, Stellar Evolution, Stellar Motions

Scientific paper

The binary pulsar PSR1913+16 strongly supports the general theory of relativity. When the orbit period, together with allowed values for the masses of the two stars derived from relativistic parameters, are plugged into a standard formula for gravitational radiation from orbiting point masses to yield a unique prediction of the rate at which the orbit should be decaying, the measured value is in exact agreement within experimental errors. If no important effects have been left out, the binay pulsar orbit provides as accurate a mass for a neutron star as has ever been determined, 1.4 + or - 0.1 solar mass for each component. Gravitational radiation may also explain mass transfer in short-period, low-mass cataclysmic variables. The binary pulsar also provides a test of the standard formula, first derived by Einstein, for the gravitational radiation expected from a binary system.

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