RS Canum Venaticorum stars

RS Canum Venaticorum stars

[¦är¦es ¦kan·ən və‚nad·ə¦kȯr·əm ‚stärz]
(astronomy)
A group of peculiar binary stars with orbital periods between 1 and 14 days, in which the cores of the H and K lines of singly ionized calcium display strong emission, and the hotter of the two stars is of spectral type F or G.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.