Exoplanet

PSR B1257+12 c

Orbiting PSR B1257+12

Overview

PSR B1257+12 c is an exoplanet orbiting the star PSR B1257+12, discovered in 1992 using the Pulsar Timing method.

Key Measurements

Mass

4.30

Earth masses

0500 M⊕

Orbital Period

66.5

days

0.1d10,000d

Distance

600.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

4.30

Measured

Equilibrium Temperature

Unknown

Orbital Period

66.54 days

Distance from Earth

600.0 pc (~1957 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.40 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

195.0149°, 12.6824°

Discovery Method

Pulsar Timing

Discovery Year

1992

Data Sources

Source ID: PSR B1257+12 c

System Context

PSR B1257+12 c orbits PSR B1257+12 and was reported in 1992 and was detected with the Pulsar Timing method.

Published measurements list a mass of 4.3 Earth masses and an orbital period of 66.54 days.

Catalog data places the system at about 600 parsecs from Earth and 3 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open PSR B1257+12

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