Stellar HostProfile

HD 176986

K2.5 V • 27.78 pc

Records

literature rows

Planets

system count

References

distinct source labels

HD: HD 176986HIP: HIP 93540TIC: TIC 39554091

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

4982.4 K

4931 to 5019

6 values • 5 distinct

Mass

0.79 Msun

0.73 to 0.82

5 values • 4 distinct

Radius

0.78 Rsun

0.75 to 0.80

5 values • 4 distinct

Age

4.30 Gyr

single adopted value

2 values • 1 distinct

Luminosity

-0.48 log(Lsun)

-0.48 to -0.45

6 values • 4 distinct

Distance

27.78 pc

single adopted value

9 values • 1 distinct

Spectral Type

K2.5 V

Multiple classifications reported

K2.5 V (3), K0 (1), K1/2 V (1), K1/2V (1)

Planets

Stable across source rows

System Layout

Known planets

3 planets linked to this host

HD 176986 b

Radial Velocity

◌

Discovery

2017

Period

6.49 days

Radius

—

Mass

1487.8 M⊕

Eq. Temp

—

HD 176986 c

Radial Velocity

◌

Discovery

2017

Period

16.82 days

Radius

—

Mass

9.18 M⊕

Eq. Temp

—

HD 176986 d

Radial Velocity

◌

Discovery

2026

Period

61.38 days

Radius

—

Mass

6.76 M⊕

Eq. Temp

363 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

9 values • 1 distinct

Parallaxstable

9 values • 1 distinct

Temperaturedisputed

6 values • 5 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

5 values • 4 distinct

Agestable

2 values • 1 distinct

Luminositydisputed

6 values • 4 distinct

Surface Gravitydisputed

4 values • 3 distinct

Metallicitydisputed

4 values • 3 distinct

Spectral Typedisputed

6 values • 4 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
—	—	—	—	—	K0	27.78	Cannon & Pickering 1918	TICv8
5018	0.73	—	—	-0.48	—	27.78	Sousa et al. 2008	TICv8
—	—	—	—	—	K1/2 V	27.78	Michigan Catalog, Vol. 5	TICv8
—	—	—	—	—	K2.5 V	27.78	Gray et al. 2006	TICv8
4931	0.79	0.78	4.30	-0.48	K2.5 V	27.78	Suárez Mascareño et al. 2018	TICv8
4979.1	—	0.80	—	-0.45	—	27.78	Gaia DR2	TICv8
4985.8	0.82	0.80	—	-0.45	—	27.78	TICv8	TICv8
5019	0.75	0.75	—	-0.48	K1/2V	27.78	Turnbull 2015	TICv8
4931	0.79	0.78	4.30	-0.48	K2.5 V	27.78	Nari et al. 2026	TICv8