About 2 Pup
2 Pup is a trash star. It lies about 253.8 light-years from Earth, sits in the constellation Pup, shines at apparent magnitude 6.06 and has spectral type A6/A7.
Its spectrum reads A6/A7 — 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.