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Stellar HostProfile

HD 66428

G8 IV (+ G) • 53.28 pc

Records

19

literature rows

Planets

2

system count

References

19

distinct source labels

HD: HD 66428HIP: HIP 39417TIC: TIC 73238215

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

5697 K

5615 to 5773

8 values • 8 distinct

Mass

1.05 Msun

1 to 1.15

11 values • 8 distinct

Radius

1.15 Rsun

1.05 to 1.17

7 values • 7 distinct

Age

5.56 Gyr

3.52 to 8

3 values • 3 distinct

Luminosity

0.10 log(Lsun)

0.07 to 0.11

4 values • 4 distinct

Distance

53.28 pc

single adopted value

19 values • 1 distinct

Spectral Type

G8 IV (+ G)

Multiple classifications reported

G8 IV (+ G) (2), G5 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 66428 b

Radial Velocity

Discovery

2005

Period

1973 days

Radius

Mass

896.2 M⊕

Eq. Temp

HD 66428 c

Radial Velocity

Discovery

2021

Period

26000 days

Radius

Mass

6865.1 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

19

Stellar refs

18

System refs

1

Distancestable

19 values • 1 distinct

Parallaxstable

19 values • 1 distinct

Temperaturedisputed

8 values • 8 distinct

Massdisputed

11 values • 8 distinct

Radiusdisputed

7 values • 7 distinct

Agedisputed

3 values • 3 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

8 values • 8 distinct

Metallicitydisputed

7 values • 6 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
561511.1580.0753.28Ghezzi et al. 2010TICv8
53.28Nordstrom et al. 2004TICv8
G8 IV (+ G)53.28Michigan Catalog, Vol. 5TICv8
5647.61.051.1753.28Rosenthal et al. 2021TICv8
G553.28Cannon & Pickering 1918TICv8
1.061.055.5653.28Takeda et al. 2007TICv8
57051.010.1153.28Sousa et al. 2008TICv8
G8 IV (+ G)53.28Michigan Catalog, Vol. 5TICv8
53.28Nidever et al. 2002TICv8
53.28Valenti & Fischer 2005TICv8
57731.081.103.5253.28Barbato et al. 2018TICv8
1.1553.28An et al. 2025TICv8
57521.1053.28Butler et al. 2006TICv8
56891.150.1053.28Gaia DR2TICv8
571611.1353.28Stassun et al. 2017TICv8
56691.011.160.1053.28TICv8TICv8
1.0653.28Bryan et al. 2016TICv8
1.0153.28Feng et al. 2022TICv8
53.28Wright et al. 2004TICv8