- semiperiodic
- полупериодный
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
RS Canum Venaticorum variable — RS Canum Venaticorum variables are a type of variable star. They are close binary stars having active chromospheres which result in variations in their observed luminosity. The period of variations is, in general, close to the rotational period… … Wikipedia