51970
For comparison , Sirius has an absolute magnitude of only 1.4 , which is still brighter than the Sun , whose absolute visual magnitude is 4.83 .
 Sirius, Sun
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:
 Sirius, Sun