About HD 239124
HD 239124 is an uncommon variable star. It lies about 1,424.3 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 9.87 and has spectral type A9.
Its spectrum reads A9 — 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.