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Photometric and Spectroscopic Variability of the Hydrogen-Deficient Binary CPD-58°2721
Published online by Cambridge University Press: 12 April 2016
Abstract
The hydrogen-deficient star CPD-58°2721 (=LSS1922) has been observed to show radial velocity variations with a range of 140 km s−1. It shows light and colour variations with amplitudes of 0T07 on a timescale of about 9 days. The absorption spectrum is nitrogen-rich and is seen to vary on a short timescale (4 days). CPD-58°2721 therefore appears to be a hydrogen-deficient binary similar to KS Per and v sgr. The photometric variability is attributed to radial pulsation.
- Type
- V Hydrogen Deficient Binaries
- Information
- International Astronomical Union Colloquium , Volume 87: Hydrogen Deficient Stars and Related Objects , 1985 , pp. 245 - 250
- Copyright
- Copyright © Reidel 1986