Assertion: pulsar | /r/HasProperty | dubbed cp 1919
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Source sentences:
text: Their pulsar was later dubbed CP 1919, and is now known by a number of designators including PSR 1919+21 and PSR J1921
text: The pulsar was later dubbed CP 1919, and is now known by a number of designators including PSR 1919+21, PSR B1919