On the nature of the 1980 outburst of the Be/X ray binary A0535+26=HDE 245770

Details On the nature of the 1980 outburst of the Be/X ray binary A0535+26=HDE 245770 On the nature of the 1980 outburst of the Be/X ray binary A0535+26=HDE 245770

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..519d&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 519-520 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

2

Energy Distribution, Stellar Activity, Stellar Flares, X Ray Astronomy, X Ray Binaries, X Ray Spectra, B Stars, Light Curve, Spectrum Analysis, Stellar Luminosity, Stellar Mass Accretion, Stellar Mass Ejection, Stellar Winds, Variable Stars

Scientific paper

The nature of a strong outburst of the Be/X ray binary A0535+26/HDE 245770 which occurred in 1980 and not in phase with the orbital period is investigated. This activity is interpreted in terms of enhanced mass loss from the optical counterpart. The X ray emission is studied in terms of direct accretion from the equatorial wind of the optical star. The wind velocity profile and the wind density distribution are derived. The resulting mass loss rate is in agreement with the observed X ray luminosity.

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