72 Cygni

72 Cygni is a binary star system located in the constellation Cygnus. It is approximately 1,200 light-years from Earth. The primary star, 72 Cygni A, is a blue-white B-type giant star. The secondary star, 72 Cygni B, is fainter and less massive, but its spectral type is less precisely determined. The two stars orbit each other with a period of several years. 72 Cygni is visible to the naked eye under dark skies. It is often studied by astronomers to understand the properties and evolution of binary star systems.