R Canum Venaticorum - AbsoluteAstronomy.com

R Canum Venaticorum is a Mira variable

Mira variable

Mira variables , named after the star Mira, are a class of pulsating variable stars characterized by very red colors, pulsation periods longer than 100 days, and light amplitudes greater than one magnitude in infrared and 2.5 magnitude in visual...

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