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PSR B1257+12 c

Host star PSR B1257+12 • 66.54 d orbit

Records

3

archive rows

Discovery

1992

Pulsar Timing

Radius

—

default parameter set

Mass

4.30 M⊕

default parameter set

PSR B1257+12

temperature unconstrained

Canonical Summary

Adopted planet values from the default parameter set

Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.

Selected source: Konacki and Wolszczan 2003

Host Star

PSR B1257+12

Stable across source rows

PSR B1257+12

Discovery Method

Pulsar Timing

Consistent across records

Pulsar Timing (3)

Discovery Year

1992

Stable across source rows

1992

Orbital Period

66.54 day

66.54 to 66.56

3 values • 3 distinct

Semi-Major Axis

0.36 au

single adopted value

3 values • 1 distinct

Mass

4.30 Mearth

3.40 to 4.30

3 values • 2 distinct

Provenance

Underlying measurements and references

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Evidence Summary

Rows

3

Refs

3

Methods

1

Discoverystable

3 values • 1 distinct

Facilitystable

3 values • 1 distinct

Perioddisputed

3 values • 2 distinct

Massdisputed

3 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
1992Pulsar TimingArecibo Observatory305 m Arecibo Radio Telescope66.56 day—3.40 Mearth—Wolszczan et al. 1992
1992Pulsar TimingArecibo Observatory305 m Arecibo Radio Telescope66.54 day—4.30 Mearth—Konacki and Wolszczan 2003
1992Pulsar TimingArecibo Observatory305 m Arecibo Radio Telescope66.54 day—3.40 Mearth—Wolszczan 1994