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Pulsar Planets - The First Exoplanets Discovered
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Endpoint of Stellar Evolution for Stars with Masses 8x or more than that of the Sun
PSR 1257+12Wolszczan & Frail 1992 (Nature, 355, 145)
Residuals from constant frequency
Two-planet solution, expressed as a velocity shift. 3 planets are now known. (A 4th planet reported in
1998 but later retracted).
A disk was discovered around the pulsar 4U 0142+61
White Dwarfs also have Disks - Maybe Planets?
Spectral Energy Distribution for GD 16
Silicate Emission Band - GD 40
Artist’s conception of Disk Generation around G29-38