Nova Persei 1992, XN Persei 92
In the constellation Perseus
3 to 11 times the mass of the Sun
Diameter roughly 10-40 miles (20-65 km), equal to the size of a large city
An artist's concept shows an X-ray nova like GRO J0422+32. The black hole, which is at the center of the disk at right, steals gas from its larger companion. The disk periodically erupts, producing outbursts of X-rays. [ESA]
This document was last modified: January 13, 2011.