About 9 Vul
9 Vul is an uncommon star. It lies about 552.8 light-years from Earth, sits in the constellation Vul, shines at apparent magnitude 5 and has spectral type B8IIIn.
Its spectrum reads B8IIIn — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.