The Black widow pulsar
The black widdow pulsar (PSR B1957+20) is a bianary millisecond pulsar in the constellation of Sagitta, 6,500 light years from Earth.It is bianary with a brown dwarf which scientist have not named yet, these systems are very rare, especially with a millisecond pulsar.The pulsar spins every 1.6 milliseconds, that about 612 times every second.The pulsars magnetic field is about 10^8 Gauss, about 200,000,000 times stronger then Earths magmetic field.
Discovery
PSR B1957+20 was discovered in the year 1988 by Andrew S. Fruchter, S. R. Kulkarni and George Djorgovski, they used the Arecibo Observatory radio telescope in Puerto Rico.
