Some implications of period changes in the first binary radio pulsar

Details Some implications of period changes in the first binary radio pulsar Some implications of period changes in the first binary radio pulsar

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...195l.113b&link_type=abstract

Astrophysical Journal, vol. 195, Feb. 1, 1975, pt. 2, p. L113-L115.

Other

13

Binary Stars, Gravitational Collapse, Periodic Variations, Pulsars, Radio Stars, Relativistic Effects, Angular Velocity, Apsides, Companion Stars, Mass Ratios, Precession, Stellar Rotation, Variable Stars

Scientific paper

The absence of a large advance of the periastron of the first binary pulsar is shown to imply that the unseen companion is also collapsed. The existence of a lower limit to the mass of the observed pulsar of about 0.3 solar mass requires a minimum general relativistic periastron advance of about 2 degress per year. Other causes of apparent and true pulse period changes are also briefly considered.

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