Assertion: pulsar | /r/HasProperty | psr b1237
Facets:
value: by wolszczan et al.
type: OTHER
Source sentences:
text: These pulsars include PSR B1237+12 (J1300+1240) by Wolszczan et al., which led to the discovery of the first extra-Solar planets, the discovery of 12 pulsars in the globular cluster 47 Tucanae and a total of 41 binary pulsars including PSR J0437-4715, the brightest millisecond pulsar (Johnston et al. 1993).