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Stellar HostProfile

GJ 251

K0 • 5.58 pc

Records

10

literature rows

Planets

2

system count

References

11

distinct source labels

HD: HD 265866TIC: TIC 68581262HIP: HIP 33226

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.

Temperature

3423 K

3342 to 3683.4

5 values • 5 distinct

Mass

0.35 Msun

0.35 to 0.36

4 values • 3 distinct

Radius

0.37 Rsun

0.36 to 0.38

4 values • 4 distinct

Age

6.80 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-1.78 log(Lsun)

-1.81 to -1.70

4 values • 4 distinct

Distance

5.58 pc

single adopted value

10 values • 1 distinct

Spectral Type

K0

Multiple classifications reported

K0 (1), M3 (1), M3.0 V (1), M3.0V (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

GJ 251 b

Radial Velocity

Discovery

2020

Period

14.24 days

Radius

Mass

4 M⊕

Eq. Temp

351 K

GJ 251 c

Radial Velocity

Discovery

2025

Period

53.65 days

Radius

Mass

3.88 M⊕

Eq. Temp

216 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Stellar refs

10

System refs

1

Distancestable

10 values • 1 distinct

Parallaxstable

10 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

4 values • 3 distinct

Radiusdisputed

4 values • 4 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

4 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
5.58Nidever et al. 2002TICv8
M35.58Hawley et al. 1996TICv8
33420.350.366.80-1.815.58Beard et al. 2025TICv8
K05.58Cannon & Pickering 1918TICv8
3683.45.58Gaia DR2TICv8
33980.350.37-1.795.58TICv8TICv8
34230.350.38-1.70M3.0V5.58Turnbull 2015TICv8
5.58Wright et al. 2004TICv8
34510.360.36-1.77M3.0 V5.58Stock et al. 2020TICv8
5.58Duncan et al. 1991TICv8