Black Widow Pulsar ·
A Star Evaporating Its Own Companion
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.com · millisecond pulsar · ablated companion · PSR B1957+20
Spin
1.6 ms
Companion
0.0231 M☉
Radio
PULSING
Seen
TIGHT BINARY
Neutron star — spins ~600×/s
Twin beams & pulsar wind
Roasted day side
Ablated gas tail
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