Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...212l..91w&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 212, Mar. 1, 1977, p. L91-L94.
Astronomy and Astrophysics
Astrophysics
35
Binary Stars, Gravitational Waves, Pulsars, Relativity, Stellar Radiation, Gravitation Theory, Main Sequence Stars, Neutron Stars, Space-Time Functions, White Dwarf Stars
Scientific paper
It is shown that Rosen's (1973) bimetric theory of gravity predicts the emission of dipole gravitational radiation from binary systems containing neutron stars, such as the binary pulsar PSR 1913+16, which causes rapid changes in orbital period. The theory also predicts sizable corrections to masses inferred from orbital data and periastron-shift data. It is demonstrated that this prediction is inconsistent with the observed upper limit on period changes unless the system consists of two neutron stars whose masses differ by less than 0.3 solar mass, or a neutron star of mass less than 0.4 solar mass and a companion which must be a rapidly rotating white dwarf or a helium main-sequence star. Because Rosen's theory is in agreement with all solar-system experiments to date, this represents a feasible test of its viability.
Eardley Douglas M.
Will Clifford M.
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