About 9Nu 2Lyr
9Nu 2Lyr is a common star. It lies about 231.5 light-years from Earth, sits in the constellation Lyr, shines at apparent magnitude 5.22 and has spectral type A3V.
Its spectrum reads A3V — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.