36359
The variations are due to the ellipsoidal shape of the stars as they rotate , and also it is classified as an RS Canum Venaticorum variable .
 RS Canum Venaticorum variable
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 RS Canum Venaticorum variable