About HD 175514
HD 175514 is a rare variable star. It lies about 1,199.1 light-years from Earth, sits in the constellation Aql, shines at apparent magnitude 8.59 and has spectral type O8:Vnn.
Its spectrum reads O8:Vnn — an O-type star — the hottest, rarest main class there is. Fewer than one star in a million is an O, and none of them lasts long.