The Hulse–Taylor pulsar (known as PSR B1913+16, PSR J1915+1606 or PSR1913+16) is a binary star system composed of a neutron star and a pulsar which orbit
of the orbital decay rate of binary pulsars PSR1913+16 (the Hulse–Taylor binary system noted above) and PSR B1534+12. The orbits of these binary pulsars
Pulsar PSR1913+16 Website". Taylor, J. H.; Weisberg, J. M. (1989). "Further experimental tests of relativistic gravity using the binary pulsar PSR1913 +
of general relativity – Gravitational radiation and the binary pulsar PSR1913+16". The Astrophysical Journal. 253: 908. Bibcode:1982ApJ...253..908T. doi:10
of a degree (e.g. PSR1913+16.7). Pulsars appearing very close together sometimes have letters appended (e.g. PSR 0021−72C and PSR 0021−72D). The modern