Title: A radio pulsar-B star binary in the small magellanic cloud
Abstract:We report the discovery of regular Doppler shifts of the pulse period of PSR J0045−7319, the only known pulsar in the Small Magellanic Cloud. The pulsar is in a highly concentric 51‐day orbit with a c...We report the discovery of regular Doppler shifts of the pulse period of PSR J0045−7319, the only known pulsar in the Small Magellanic Cloud. The pulsar is in a highly concentric 51‐day orbit with a companion star of mass greater than 4M⊙. Optical observations in the direction of the pulsar reveal a 16th magnitude B star companion. The PSR J0045−7319 system is likely an x‐ray binary progenitor.Read More