Contact binary stars of the W UMa type as distance tracers

Details Contact binary stars of the W UMa type as distance tracers Contact binary stars of the W UMa type as distance tracers

2003-11-04

arxiv.org/abs/astro-ph/0311085v1

New Astron.Rev. 48 (2004) 703-709

Astronomy and Astrophysics

Astrophysics

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

Scientific paper

10.1016/j.newar.2004.03.005

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.

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