Mass distribution of secondaries in binary pulsars

Details Mass distribution of secondaries in binary pulsars Mass distribution of secondaries in binary pulsars

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98..641b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Aug. 1989, p. 641, 642.

Astronomy and Astrophysics

Astronomy

Binary Stars, Companion Stars, Pulsars, Stellar Mass, Circular Orbits, Mass Distribution, White Dwarf Stars

Scientific paper

The orbital parameters of binary pulsars with unknown companions can be used to derive the distribution of their mass ratios, mu = m2/m1, assuming random inclinations and a given primary mass. For a group of such objects with nearly circular orbits, the mean and standard deviation of mu and the probable range of secondary masses are derived here. Companion masses are about 0.25 solar masses on the mean, but their probable range includes objects below the theoretical limit of hydrogen-burning stars.

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