On the mass-radius relationship of neutron stars

Details On the mass-radius relationship of neutron stars On the mass-radius relationship of neutron stars

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jphys..41c.147v&link_type=abstract

(Centre National de la Recherche Scientifique, Colloque International sur la Physique de la Matiere Dense, Paris, France, Sept.

Astronomy and Astrophysics

Astronomy

Black Body Radiation, Neutron Stars, Radii, Spectrum Analysis, Stellar Mass, Stellar Spectra, Red Shift, Stellar Gravitation, Stellar Radiation, Stellar Structure, Surface Properties, X Ray Astronomy

Scientific paper

A method is described to determine the 'black-body radius' of neutron stars from a spectral analysis of the radiation observed in X-ray bursts. Taking into account the effect of gravitational redshift on the radiation leaving the surface of a neutron star, a relationship between the mass and radius for neutron stars can be derived. The two main problems in the interpretation of the X-ray burst observations are discussed: visibility of the whole surface of a neutron star in an X-ray burst; the validity of the assumption that the spectrum in the tail of X-ray bursts is given by a black-body.

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