Comparison of Parallaxes from Eclipsing Binaries Method with Hipparcos Parallaxes

Details Comparison of Parallaxes from Eclipsing Binaries Method with Hipparcos Parallaxes Comparison of Parallaxes from Eclipsing Binaries Method with Hipparcos Parallaxes

2000-10-06

arxiv.org/abs/astro-ph/0010133v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, Latex+psfig. Acta Astronomica, 50, 381

Scientific paper

The parallaxes determined by Lacy (1979) by means of eclipsing binaries method are compared with the Hipparcos parallaxes for 19 systems. The residual scatter of the distance moduli inferred from eclipsing binaries method - after allowing for known errors as given by Lacy and Hipparcos - is equal to 0.18 mag. It decreases to 0.08 mag when obviously not fitting semi-detached systems and systems with chromospheric activity of components are removed from the sample.

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