Tags: Star.
SS 433 is one of the most exotic star systems observed. It is an eclipsing X-ray binary system with the primary most likely a black hole or possibly a neutron star. pp. 23–24. The spectrum of the secondary companion star suggests that it is a late A-type star. SS 433 is a microquasar the first discovered.SS 433’s designation comes from its catalogers Case Western Reserve astronomers Nicholas Sanduleak and C. Bruce Stephenson.
