Absolute Magnitude Calibration for the W UMa-Type Systems Based on HIPPARCOS Data

Authors:
  • SRSlavek M. Rucinski
    Slavek M. Rucinski
  • HDHilmar W. Duerbeck
    Hilmar W. Duerbeck
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Abstract
HIPPARCOS parallax data for 40 contact binary stars of the W UMa-type (with εMv<0.5) are used to derive a new, (B — V)-based absolute-magnitude calibration o...
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