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Stellar HostProfile

HD 154857

G5 V • 63.45 pc

Records

10

literature rows

Planets

2

system count

References

11

distinct source labels

HD: HD 154857HIP: HIP 84069TIC: TIC 173552927

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

5596.8 K

5582.5 to 5605

4 values • 4 distinct

Mass

1.72 Msun

0.99 to 1.96

4 values • 3 distinct

Radius

2.30 Rsun

1.76 to 2.31

5 values • 5 distinct

Age

5.64 Gyr

single adopted value

1 values • 1 distinct

Luminosity

0.66 log(Lsun)

0.66 to 0.67

2 values • 2 distinct

Distance

63.45 pc

single adopted value

10 values • 1 distinct

Spectral Type

G5 V

Multiple classifications reported

G5 V (2), G0 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 154857 b

Radial Velocity

Discovery

2004

Period

409 days

Radius

Mass

570 M⊕

Eq. Temp

HD 154857 c

Radial Velocity

Discovery

2014

Period

3452 days

Radius

Mass

820.0 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Stellar refs

10

System refs

1

Distancestable

10 values • 1 distinct

Parallaxstable

10 values • 1 distinct

Temperaturedisputed

4 values • 4 distinct

Massdisputed

4 values • 3 distinct

Radiusdisputed

5 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

4 values • 4 distinct

Metallicitydisputed

3 values • 3 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
G063.45Cannon & Pickering 1918TICv8
55891.962.3063.45Stassun et al. 2017TICv8
G5 V63.45Michigan Catalog, Vol. 1TICv8
63.45Nordstrom et al. 2004TICv8
5604.60.992.270.6663.45TICv8TICv8
1.722.315.6463.45Takeda et al. 2007TICv8
63.45Valenti & Fischer 2005TICv8
5582.52.300.6763.45Gaia DR2TICv8
63.45Henry et al. 1996TICv8
56051.721.76G5 V63.45Wittenmyer et al. 2014TICv8