Physical implications of the eclipsing binary pulsar

Details Physical implications of the eclipsing binary pulsar Physical implications of the eclipsing binary pulsar

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333l..91w&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. L91-L94. Research supported by the Alfred

Astronomy and Astrophysics

Astrophysics

21

Eclipsing Binary Stars, Energetic Particles, Pulsars, Stellar Color, Stellar Mass, Stellar Winds, Circular Orbits, Electron Density (Concentration), Physical Properties, Stellar Luminosity

Scientific paper

The observed characteristics of the msec pulsar P1957+20, discovered in an eclipsing binary by Fruchter et al. (1988), are considered theoretically. Model equations for the stellar wind and optical emission are derived and used to estimate the effective temperature and optical luminosity associated with wind excitation; then the energy levels required to generate such winds are investigated. The color temperature of the pulsar-heated stellar surface calculated under the assumption of adiabatic expansion is 1000-10,000 K, in good agreement with the observational estimate of 5500 K.

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