Stellar HostProfile

HD 3651

K0V • 11.13 pc

Records

literature rows

Planets

system count

References

distinct source labels

HIP: HIP 3093HD: HD 3651TIC: TIC 434210589

Approximate color

from effective temperature

Stellar source: Turnbull 2015 • System source: TICv8

Temperature

5221 K

5173 to 5280

10 values • 8 distinct

Mass

0.88 Msun

0.76 to 0.90

8 values • 6 distinct

Radius

0.88 Rsun

0.85 to 0.88

6 values • 5 distinct

Age

8.20 Gyr

3 to 11.80

4 values • 4 distinct

Luminosity

-0.27 log(Lsun)

-0.30 to -0.27

4 values • 4 distinct

Distance

11.13 pc

single adopted value

36 values • 1 distinct

Spectral Type

K0V

Multiple classifications reported

K0 V (2), K0 (1), K0V (1)

Planets

Stable across source rows

Sun

1.0 R☉ baseline

HD 3651

0.88 R☉

Discovery

2003

Period

62.25 days

Radius

—

Mass

72.47 M⊕

Eq. Temp

—

HD 3651 b: A Close-Orbiting Planet Around a Cool Dwarf

HD 3651 is a K0V star 36.3 light-years away. K-type stars are cooler and redder than the Sun, and this one has a reported mass of 0.88 solar masses and a radius of 0.88 solar radii, smaller than the Sun on both counts. Its temperature is 5220 K, cooler than the Sun's, and its age is 8.2 billion years. One planet orbits this host.

HD 3651 b was found in 2003 using the radial velocity method, which detects the wobble a planet's gravity induces in its star's motion; repeated wobbles reveal the planet and its orbital period. The planet's minimum mass is 72.5 Earth masses, a lower bound on its true mass that is larger than Earth's. It completes one orbit every 62.3 days.

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

36 values • 1 distinct

Parallaxstable

36 values • 1 distinct

Temperaturedisputed

10 values • 8 distinct

Massdisputed

8 values • 6 distinct

Radiusdisputed

6 values • 5 distinct

Agedisputed

4 values • 4 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

8 values • 7 distinct

Metallicitydisputed

7 values • 6 distinct

Spectral Typedisputed

4 values • 3 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
5221	0.80	—	—	—	—	11.13	Wittenmyer et al. 2019	TICv8
—	—	—	—	—	—	11.13	Valenti & Fischer 2005	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
5252	0.90	0.85	3	-0.30	—	11.13	Ghezzi et al. 2010	TICv8
—	—	—	4.46	—	—	11.13	Sanz-Forcada et al. 2010	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	0.88	0.88	11.80	—	—	11.13	Takeda et al. 2007	TICv8
5274.9	0.90	0.87	—	-0.27	—	11.13	TICv8	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Pizzolato et al. 2003	TICv8
5205.9	0.89	0.87	—	—	—	11.13	Rosenthal et al. 2021	TICv8
—	—	—	—	—	—	11.13	Nordstrom et al. 2004	TICv8
5203	—	—	—	—	—	11.13	Harada et al. 2025	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	K0 V	11.13	Gray et al. 2003	TICv8
5221	0.88	—	—	—	K0 V	11.13	Wittenmyer et al. 2009	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Nidever et al. 2002	TICv8
5173	0.76	—	—	—	—	11.13	Santos et al. 2004	TICv8
—	—	—	—	—	K0	11.13	Cannon & Pickering 1918	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
5249	—	—	—	—	—	11.13	Maldonado et al. 2015	TICv8
5221	0.88	0.88	8.20	-0.27	K0V	11.13	Turnbull 2015	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
5280	—	0.88	—	-0.27	—	11.13	Gaia DR2	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8
—	—	—	—	—	—	11.13	Wright et al. 2004	TICv8
—	—	—	—	—	—	11.13	Duncan et al. 1991	TICv8

HD 3651

Adopted host values from one source row

Radius against the Sun

Known planets

HD 3651 b

HD 3651 b: A Close-Orbiting Planet Around a Cool Dwarf

Underlying measurements and references