Stellar HostProfile

GJ 3021

G6 V • 17.56 pc

Records

literature rows

Planets

system count

References

distinct source labels

HIP: HIP 1292HD: HD 1237TIC: TIC 290543478

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

5519.0 K

5336 to 5540

7 values • 7 distinct

Mass

0.90 Msun

0.90 to 0.97

5 values • 3 distinct

Radius

0.89 Rsun

0.88 to 0.96

4 values • 4 distinct

Age

0.37 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.19 log(Lsun)

-0.20 to -0.17

5 values • 5 distinct

Distance

17.56 pc

single adopted value

13 values • 1 distinct

Spectral Type

G6 V

Multiple classifications reported

G6 V (2), G0 (1), G6V (1), G8.5 V (k) (1)

Planets

Stable across source rows

System Layout

Known planets

1 planets linked to this host

GJ 3021 b

Radial Velocity

◌

Discovery

2000

Period

133.7 days

Radius

—

Mass

1071.0 M⊕

Eq. Temp

350 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

13 values • 1 distinct

Parallaxstable

13 values • 1 distinct

Temperaturedisputed

7 values • 7 distinct

Massdisputed

5 values • 3 distinct

Radiusdisputed

4 values • 4 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

5 values • 5 distinct

Surface Gravitydisputed

6 values • 6 distinct

Metallicitydisputed

5 values • 4 distinct

Spectral Typedisputed

5 values • 4 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
—	—	—	—	—	G0	17.56	Cannon & Pickering 1918	TICv8
5540	0.90	0.90	—	-0.18	G6 V	17.56	Naef et al. 2001	TICv8
—	—	—	—	—	—	17.56	Henry et al. 1996	TICv8
—	—	—	—	—	—	17.56	Nordstrom et al. 2004	TICv8
5519.0	0.97	0.88	—	-0.19	—	17.56	TICv8	TICv8
—	—	—	—	—	G6 V	17.56	Michigan Catalog, Vol. 1	TICv8
—	—	—	—	—	G8.5 V (k)	17.56	Gray et al. 2006	TICv8
5520	—	0.88	—	-0.19	—	17.56	Gaia DR2	TICv8
5489	—	—	—	—	—	17.56	Suárez-Andrés et al. 2016	TICv8
5536	0.90	—	—	—	—	17.56	Butler et al. 2006	TICv8
5336	0.90	0.96	—	-0.17	G6V	17.56	Turnbull 2015	TICv8
5514	0.94	—	—	-0.20	—	17.56	Sousa et al. 2008	TICv8
—	—	—	0.37	—	—	17.56	Sanz-Forcada et al. 2010	TICv8