Go Astr☾nomy

Neutron Star

Black Widow Pulsar (B1957+20)

Black Widow Pulsar, also known as B1957+20, is a millisecond pulsar type neutron star located in the constellation Sagitta. Neutron stars are much too small and faint to view in any but the world's largest telescopes.

      1. Name:
      2. Black Widow Pulsar
      1. Designation:
      2. B1957+20
      1. Type:
      2. millisecond pulsar
      1. Distance:
      2. 6500 light-years
      1. Magnitude:
      2. 20.4
      1. System:
      2. binary
      1. Companion:
      2. brown dwarf
      1. Location:
      2. Milky Way

    Find your inner astronomer. Your complete guide to amateur astronomy.