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Stellar HostProfile

GJ 338 B

K2 • 6.33 pc

Records

12

literature rows

Planets

1

system count

References

13

distinct source labels

TIC: TIC 251078597HIP: HIP 120005HD: HD 79211

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

4000.0 K

3841 to 4014

4 values • 4 distinct

Mass

0.58 Msun

0.55 to 0.64

5 values • 4 distinct

Radius

0.58 Rsun

0.53 to 0.59

6 values • 4 distinct

Age

4 Gyr

0.40 to 4

3 values • 2 distinct

Luminosity

-1.10 log(Lsun)

-1.12 to -1.10

4 values • 3 distinct

Distance

6.33 pc

single adopted value

12 values • 1 distinct

Spectral Type

K2

Multiple classifications reported

K2 (1), K7.0V (1), M0 V (1), M0.0 V (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

GJ 338 B b

Radial Velocity

Discovery

2020

Period

24.45 days

Radius

Mass

10.27 M⊕

Eq. Temp

391 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Stellar refs

12

System refs

1

Distancestable

12 values • 1 distinct

Parallaxstable

12 values • 1 distinct

Temperaturedisputed

4 values • 4 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

6 values • 4 distinct

Agedisputed

3 values • 2 distinct

Luminositydisputed

4 values • 3 distinct

Surface Gravitydisputed

5 values • 3 distinct

Metallicitystable

2 values • 1 distinct

Spectral Typedisputed

4 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
38410.550.53-1.10K7.0V6.33Turnbull 2015TICv8
6.33Nordstrom et al. 2004TICv8
3995.00.57-1.126.33Gaia DR2TICv8
40140.640.584-1.10M0 V6.33DiTomasso et al. 2022TICv8
40050.640.584-1.10M0.0 V6.33González-Álvarez et al. 2020TICv8
0.550.530.406.33Takeda et al. 2007TICv8
K26.33Cannon & Pickering 1918TICv8
0.580.596.33TICv8TICv8
6.33Pizzolato et al. 2003TICv8
6.33Wright et al. 2004TICv8
6.33Nidever et al. 2002TICv8
6.33Duncan et al. 1991TICv8