Using binary system to solve for the Mass
Using the fact that Cyg X-1 is in a Binary System to find its Mass
Cygnus X-1 is part of a binary, or double star system. Its companion star, HDE 226868, is a BO Supergiant.
|Click here for more information on Cyg X-1 and its companion star.|
|Click here to go back to your physics textbooks and find how to find the mass of stars in a binary system.|