Back to Stellar Hosts
Stellar HostProfile

HD 11977

G8 III/IV • 67.93 pc

Records

9

literature rows

Planets

1

system count

References

10

distinct source labels

HD: HD 11977HIP: HIP 8928TIC: TIC 232074535

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

5004.9 K

4936.5 to 5067

5 values • 5 distinct

Mass

2.13 Msun

1.80 to 2.31

5 values • 4 distinct

Radius

10.35 Rsun

9.94 to 11.35

4 values • 4 distinct

Age

1.10 Gyr

1 to 1.20

2 values • 2 distinct

Luminosity

1.84 log(Lsun)

1.84 to 1.84

2 values • 2 distinct

Distance

67.93 pc

single adopted value

9 values • 1 distinct

Spectral Type

G8 III/IV

Multiple classifications reported

G8 III/IV (1), K0 (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HD 11977 b

Radial Velocity

Discovery

2005

Period

Radius

Mass

1999.1 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

9

Stellar refs

9

System refs

1

Distancestable

9 values • 1 distinct

Parallaxstable

9 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

4 values • 4 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

5 values • 4 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
2.3167.93Soto et al. 2015TICv8
50672.3167.93Mortier et al. 2013TICv8
1.8067.93Kunitomo et al. 2011TICv8
49701.9110.091.2067.93Setiawan et al. 2005TICv8
4936.511.351.8467.93Gaia DR2TICv8
K067.93Cannon & Pickering 1918TICv8
5004.910.6067.93TICv8TICv8
G8 III/IV67.93Michigan Catalog, Vol. 1TICv8
50082.139.9411.8467.93Jofré et al. 2015TICv8