PSR B1257+12 c · Asteria Star

Scientific overview

PSR B1257+12 c is a super-earth orbiting PSR B1257+12, completing an orbit every 67 days, about 1957 light-years from Earth. It was discovered in 1992 using the pulsar timing.

Host star

PSR B1257+12

Mass

1.4 M☉

Planetary system — PSR B1257+12 system

View the PSR B1257+12 system (3 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
PSR B1257+12 bPulsar Timing · 1994	Terrestrial planet	0.34	25.262	1957
PSR B1257+12 cPulsar Timing · 1992	Super-Earth	1.91	66.5419	1957
PSR B1257+12 dPulsar Timing · 1992	Super-Earth	1.8	98.2114	1957

Discovery and detection

Detection method

Pulsar Timing

Discovery year

1992

Knowledge connections

OrbitsPSR B1257+12
Member of systemPSR B1257+12 system
Discovered by methodPulsar Timing
Catalogued inNASA Exoplanet Archive

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