48784
Given , for example , the color magnitudes " B " and " V " which are calibrated to be equal for an A0V star ( e.g. Vega ) , the stellar color temperature is given by the temperature for which the color index of a black-body radiator fits the stellar one .
 Vega
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:
 Vega