Southern RS CVn systems - Candidate list

Details Southern RS CVn systems - Candidate list Southern RS CVn systems - Candidate list

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84.1372w&link_type=abstract

Astronomical Journal, vol. 84, Sept. 1979, p. 1372, 1373.

Astronomy and Astrophysics

Astronomy

36

Astronomical Catalogs, Binary Stars, Variable Stars, Line Spectra, Southern Hemisphere, Stellar Spectra

Scientific paper

A list of 43 candidate RS CVn binary systems in the far southern hemisphere of the sky (south of -40 deg declination) is presented. The candidate systems were selected from the first two volumes of the Michigan Spectral Catalog (1975, 1978), which provides MK classifications for southern HD stars and identifies any unusual characteristics noted for individual stellar spectra. The selection criteria used were: (1) the occurrence of Ca II H and K emission; (2) known or suspected binary nature; (3) regular light variations of zero to one magnitude; and (4) spectral type between F0 and K2 and luminosity less than bright giant (II).

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