Contact binary stars of the W UMa type as distance tracers

Abstract

Contact binaries can be used for distance determinations of stellar systems. They are easy to discover and identify and are very abundant among solar-type stars, particularly for M_V > +3. The period - luminosity - colour (PLC) relations have similar properties to those for pulsating stars and can currently predict individual values of M_V to about +/-0.25 mag.

IAU Sydney 2003, JD13 Extragalactic Binaries, ed.I.Ribas, uses elsart3.cls

References in corpus (2)

• Radial Velocity Studies of Close Binary Stars.V
• The 7.5 Magnitude Limit Sample of Bright Short-Period Binary Stars. I. How Many Contact Binaries Are There?

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