Tags: Star.
PSR B1937+21 is a pulsar located in the constellation Vulpecula a few degrees in the sky away from the first discovered pulsar PSR B1919+21. The name PSR B1937+21 is derived from the word pulsar and the declination and right ascension at which it is located with the B indicating that the coordinates are for the 1950.0 epoch. PSR B1937+21 was discovered in 1982 by Don Backer Shri Kulkarni Carl Heiles Michael Davis and Miller Goss.