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Stellar HostProfile

PSR B1257+12

Unclassified star • 600 pc

Records

2

literature rows

Planets

3

system count

References

3

distinct source labels

Approximate color

from effective temperature

Canonical Summary

Adopted host values from all rows

Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.

Mass

1.40 Msun

single adopted value

1 values • 1 distinct

Age

1.90 Gyr

0.80 to 3

2 values • 2 distinct

Distance

600 pc

single adopted value

2 values • 1 distinct

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

PSR B1257+12 b

Pulsar Timing

Discovery

1994

Period

25.34 days

Radius

Mass

0.01 M⊕

Eq. Temp

PSR B1257+12 c

Pulsar Timing

Discovery

1992

Period

66.56 days

Radius

Mass

3.40 M⊕

Eq. Temp

PSR B1257+12 d

Pulsar Timing

Discovery

1992

Period

98.23 days

Radius

Mass

2.80 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

2

Stellar refs

2

System refs

1

Distancestable

2 values • 1 distinct

Massstable

1 values • 1 distinct

Agedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
0.80600Wolszczan et al. 1992Konacki and Wolszczan 2003
1.403600Konacki and Wolszczan 2003Konacki and Wolszczan 2003