Do Some X-ray Stars Have White Dwarf Companions?

Details Do Some X-ray Stars Have White Dwarf Companions? Do Some X-ray Stars Have White Dwarf Companions?

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995csc..rept.....m&link_type=abstract

Technical Report, NASA/CR-97-203900; NAS 1.26:203900; EKNS-1347; CAN-4130

Physics

Optics

B Stars, Extreme Ultraviolet Radiation, X Ray Optics, X Ray Stars, Continuums, Neutron Stars, Stellar Models, Variability

Scientific paper

Some Be stars which are intermittent C-ray sources may have white dwarf companions rather than neutron stars. It is not possible to prove or rule out the existence of Be+WD systems using X-ray or optical data. However, the presence of a white dwarf could be established by the detection of its EUV continuum shortward of the Be star's continuum turnover at 1OOOA. Either the detection or the nondetection of Be+WD systems would have implications for models of Be star variability, models of Be binary system formation and evolution, and models of wind-fed accretion.

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