RS Canum Venaticorum is a binary star system in the northern constellation of Canes Venatici. It serves as the prototype to the class of RS Canum Venaticorum...

An RS Canum Venaticorum variable is a type of variable star. The variable type consists of close binary stars having active chromospheres which can cause...

vary by less than 0.5 magnitudes (70% change in luminosity). Alpha2 Canum Venaticorum (α2 CVn) variables are main-sequence stars of spectral class B8–A7...

be capable of flaring.[citation needed] The more massive RS Canum Venaticorum variables (RS CVn) are also known to flare, but it is understood that these...

Vega, which are also variable. The system has been classified as an RS Canum Venaticorum variable, a class of binary stars with active chromospheres that...

Sun. RS Canum Venaticorum is the prototype of a special class of binary stars of chromospherically active and optically variable components. R Canum Venaticorum...

spectroscopic binary star with a period of 480 years, and a suspected RS Canum Venaticorum variable. The primary is a yellow-hued star of magnitude 3.5 and...

in 2009. Only slightly farther away is V478 Lyrae, an eclipsing RS Canum Venaticorum variable whose primary star shows active starspot activity. One of...

Apparent magnitude (H) 5.087±0.026 Apparent magnitude (K) 4.926±0.021 Variable type RS CVn Astrometry Radial velocity (Rv) 21.10±0.37 km/s Proper motion (μ) RA: 16...

Gliese 268 (QY Aurigae) is a RS Canum Venaticorum variable (RS CVn) star in the Auriga constellation. RS CVn variables are binary star systems with a...