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1997A&A...322..193R - Astronomy and Astrophysics, volume 322193-196 (1997/6-1)
A new correlation for Be/X-ray binaries: the orbital period-Hα equivalent width diagram.
REIG P., FABREGAT J. and COE M.J.
Abstract (from CDS):
A correlation between the orbital period and the strength of the Hα line in Be/X-ray binaries has been found. Those systems with shorter orbital periods show less emission in Hα than those with longer orbital periods. The neutron star appears to act as a barrier which prevents the formation of a extended disk in systems with short orbital period.
Abstract Copyright: ∼
Journal keyword(s): stars: Be - stars: neutron - X-rays: stars - binaries: close
Simbad objects: 11
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