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Stellar HostProfile

HD 20868

K0 • 47.72 pc

Records

7

literature rows

Planets

1

system count

References

8

distinct source labels

HD: HD 20868HIP: HIP 15578TIC: TIC 142851295

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

4802 K

4745 to 4844.3

5 values • 4 distinct

Mass

0.78 Msun

0.39 to 0.78

3 values • 2 distinct

Radius

0.76 Rsun

0.75 to 0.79

4 values • 4 distinct

Age

4.50 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-0.55 log(Lsun)

-0.56 to -0.53

3 values • 3 distinct

Distance

47.72 pc

single adopted value

7 values • 1 distinct

Spectral Type

K0

Multiple classifications reported

K0 (1), K3/4 III/V (1), K3/4 IV (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HD 20868 b

Radial Velocity

Discovery

2008

Period

380.9 days

Radius

Mass

397.3 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

7

Stellar refs

7

System refs

1

Distancestable

7 values • 1 distinct

Parallaxstable

7 values • 1 distinct

Temperaturedisputed

5 values • 4 distinct

Massdisputed

3 values • 2 distinct

Radiusdisputed

4 values • 4 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

4 values • 4 distinct

Metallicitydisputed

4 values • 3 distinct

Spectral Typedisputed

3 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
48020.390.7647.72Stassun et al. 2017TICv8
K3/4 III/V47.72Michigan Catalog, Vol. 3TICv8
4844.30.75-0.5647.72Gaia DR2TICv8
48020.780.77-0.5547.72TICv8TICv8
K047.72Cannon & Pickering 1918TICv8
474547.72Tsantaki et al. 2014TICv8
47950.780.794.50-0.53K3/4 IV47.72Moutou et al. 2009TICv8