The masses of neutron stars - Observational constraints

Details The masses of neutron stars - Observational constraints The masses of neutron stars - Observational constraints

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977nyasa.302..460r&link_type=abstract

New York Academy of Sciences, Annals, vol. 302, Dec. 9, 1977, p. 460-470.

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10

Binary Stars, Neutron Stars, Pulsars, Stellar Mass, Companion Stars, Stellar Luminosity, White Dwarf Stars

Scientific paper

The present state of empirical knowledge concerning neutron-star masses is reviewed on the basis of information obtained for the nine known X-ray pulsars in binary systems. Pulse profiles and other pulse parameters of these X-ray pulsars are examined, and allowable mass ranges are estimated for four X-ray pulsars in binary systems as well as for the binary pulsar PSR 1913+16. The approximate mass ranges obtained include 1.2 to 2.4 solar masses for 3U 0900-40, 0.7 to 4.3 solar masses for Cen X-3, 0.8 to 1.8 solar masses for SMC X-1, 0.0 to 2.3 solar masses for Her X-1, and either 1.4 to 1.8 solar masses or 0.0 to 1.8 solar masses for PSR 1913+16 if the companion is a normal white dwarf or some other type of star, respectively. Theoretical implications of these results are briefly considered.

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