8489
The secondary is a magnitude 6.82 A-type main-sequence star with a class of A1 " Vn , where the ' n ' suffix indicates " nebulous " lines due to rapid rotation .
 astronomical object: A-type main-sequence star
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 astronomical object: A-type main-sequence star