About HD 139766
HD 139766 is a common star. It lies about 2,174.4 light-years from Earth, sits in the constellation Lup, shines at apparent magnitude 8.68 and has spectral type A7/A8V.
Its spectrum reads A7/A8V — 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.