Stellar HostProfile

HD 156668

K2 • 24.33 pc

Records

literature rows

Planets

system count

References

distinct source labels

TIC: TIC 257715493HIP: HIP 84607HD: HD 156668

Approximate color

from effective temperature

Temperature

4849.9 K

4813 to 4903.7

5 values • 5 distinct

Mass

0.78 Msun

0.74 to 0.79

4 values • 4 distinct

Radius

0.77 Rsun

0.72 to 0.80

5 values • 5 distinct

Age

8.60 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.52 log(Lsun)

-0.54 to 0.23

4 values • 4 distinct

Distance

24.33 pc

single adopted value

8 values • 1 distinct

Spectral Type

Multiple classifications reported

K2 (2), K3 V (1)

Planets

Stable across source rows

Sun

1.0 R☉ baseline

HD 156668

0.77 R☉

Discovery

2010

Period

4.65 days

Radius

—

Mass

4.15 M⊕

Eq. Temp

—

Discovery

2021

Period

811.3 days

Radius

—

Mass

31.50 M⊕

Eq. Temp

—

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

8 values • 1 distinct

Parallaxstable

8 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

4 values • 4 distinct

Radiusdisputed

5 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

3 values • 3 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
—	—	—	—	—	K3 V	24.33	Gray et al. 2003	TICv8
4813	0.74	0.80	—	-0.51	K2	24.33	Turnbull 2015	TICv8
—	—	—	—	—	—	24.33	Wright et al. 2004	TICv8
4831.5	—	0.77	—	-0.54	—	24.33	Gaia DR2	TICv8
4903.7	0.79	0.77	—	—	—	24.33	Rosenthal et al. 2021	TICv8
—	—	—	—	—	K2	24.33	Cannon & Pickering 1918	TICv8
4850	0.77	0.72	8.60	0.23	—	24.33	Howard et al. 2011	TICv8
4849.9	0.79	0.76	—	-0.54	—	24.33	TICv8	TICv8

HD 156668

Adopted host values from all rows

Radius against the Sun

Known planets

HD 156668 b

HD 156668 c

Underlying measurements and references