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Stellar HostProfile

HD 28109

F8 • 139.6 pc

Records

7

literature rows

Planets

3

system count

References

5

distinct source labels

HIP: HIP 20295TIC: TIC 29781292HD: HD 28109

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

6321 K

6120 to 6321

7 values • 4 distinct

Mass

1.24 Msun

1.23 to 1.26

3 values • 3 distinct

Radius

1.41 Rsun

1.41 to 1.45

7 values • 4 distinct

Age

2.15 Gyr

1.10 to 3.20

2 values • 2 distinct

Luminosity

0.44 log(Lsun)

0.43 to 0.46

2 values • 2 distinct

Distance

139.6 pc

single adopted value

7 values • 1 distinct

Spectral Type

F8

Multiple classifications reported

F8 (1), F8/G0 V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

HD 28109 b

Transit

Discovery

2022

Period

22.89 days

Radius

2.69 R⊕

Mass

6.20 M⊕

Eq. Temp

867 K

HD 28109 c

Transit

Discovery

2022

Period

56.01 days

Radius

4.23 R⊕

Mass

7.94 M⊕

Eq. Temp

585.2 K

HD 28109 d

Transit

Discovery

2022

Period

84.29 days

Radius

3.11 R⊕

Mass

5.80 M⊕

Eq. Temp

561 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

7

Stellar refs

4

System refs

1

Distancestable

7 values • 1 distinct

Parallaxstable

7 values • 1 distinct

Temperaturedisputed

7 values • 4 distinct

Massdisputed

3 values • 3 distinct

Radiusdisputed

7 values • 4 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

7 values • 4 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
63211.41139.6ExoFOPTICv8
63151.241.410.46139.6TICv8TICv8
61891.231.433.200.43F8139.6Barone et al. 2025TICv8
63211.41139.6ExoFOPTICv8
61201.261.451.10F8/G0 V139.6Dransfield et al. 2022TICv8
63211.41139.6ExoFOPTICv8
63211.41139.6ExoFOPTICv8