Is there a relation between the speed-ups of some binary pulsars and the variation of gravitational constant

Details Is there a relation between the speed-ups of some binary pulsars and the variation of gravitational constant Is there a relation between the speed-ups of some binary pulsars and the variation of gravitational constant

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978nciml..22..363d&link_type=abstract

Nuovo Cimento, Lettere, vol. 22, July 1, 1978, p. 363-366.

Physics

1

Binary Stars, Gravitational Constant, Orbital Elements, Pulsars, Eccentric Orbits, Gravitational Effects, Inclination, Orbital Velocity, Parameterization, Stellar Mass

Scientific paper

The possibility of variation in the gravitational constant G is investigated by observations of the motion of binary pulsars. PPN formalism is used as an analytical tool, taking the parameters of the pulsars orbital dynamics into account, e.g., mass, eccentricity, and inclination of the orbital plane. Attention is given to periodic changes in the pulsation rate of PSR 1913 plus 16.

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