Photometric and Spectroscopic Investigation of Carbon Stars - Part Two - a Comparison of the Light and Radial Velocity Changes of Y-Canum

Details Photometric and Spectroscopic Investigation of Carbon Stars - Part Two - a Comparison of the Light and Radial Velocity Changes of Y-Canum Photometric and Spectroscopic Investigation of Carbon Stars - Part Two - a Comparison of the Light and Radial Velocity Changes of Y-Canum

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984baicz..35...74v&link_type=abstract

Bulletin of the Astronomical Institutes of Czechoslovakia, Vol.35:2, P. 74, 1984

Astronomy and Astrophysics

Astronomy

1

Scientific paper

New photoelectric as well as radial velocity measurements of Y CVn are presented. Nine minimum light times were derived, from which the light elements for the star were calculated. The light and colour changes of Y CVn are discussed on the basis of the light curves presented in three colours. The radial velocity curve, based on the measurements of ten details in the molecular bands C2(1, 0) and C2(0, 1), expresses strong dispersion but it allows the general character of the connection between the photometrical and radial velocity variability of Y CVn to be appreciated. The radial velocity changes of the star do not exceed ±2 km/s and are similar to the changes observed in UX Dra.

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