PSR B1257+12c, alternatively designated PSR B1257+12 B, also named Poltergeist, is an extrasolar planet approximately 2,300 light-years away in the constellation
PSR B1257+12C, alternatively designated PSR B1257+12 d and also named Phobetor, is a super-Earth exoplanet orbiting the pulsar Lich approximately 2,315
PSR B1257+12, previously designated PSR1257+12, alternatively designated PSR J1300+1240, is a millisecond pulsar located 2,300 light-years (710 parsecs)