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Stellar HostProfile

HD 154857

G5 V โ€ข 63.45 pc

Records

10

literature rows

Planets

2

system count

References

11

distinct source labels

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

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 โ€ข 4 distinct

Mass

1.72 Msun

0.99 to 1.96

4 values โ€ข 3 distinct

Radius

2.30 Rsun

1.76 to 2.31

5 values โ€ข 5 distinct

Age

5.64 Gyr

single adopted value

1 values โ€ข 1 distinct

Luminosity

0.66 log(Lsun)

0.66 to 0.67

2 values โ€ข 2 distinct

Distance

63.45 pc

single adopted value

10 values โ€ข 1 distinct

Spectral Type

G5 V

Multiple classifications reported

G5 V (2), G0 (1)

Planets

2

Stable across source rows

2

Scale Comparison

Radius against the Sun

Current adopted radius: 2.30 Rโ˜‰ โ€ข circles scaled linearly by radius

Sun

1.0 Rโ˜‰ baseline

HD 154857

2.30 Rโ˜‰

System Layout

Known planets

2 planets linked to this host

HD 154857 c

Radial Velocity

โ—Œ

Discovery

2014

Period

3452 days

Radius

โ€”

Mass

820.0 MโŠ•

Eq. Temp

โ€”

HD 154857 b

Radial Velocity

โ—Œ

Discovery

2004

Period

408.6 days

Radius

โ€”

Mass

778.7 MโŠ•

Eq. Temp

โ€”

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Stellar refs

10

System refs

1

Distancestable

10 values โ€ข 1 distinct

Parallaxstable

10 values โ€ข 1 distinct

Temperaturedisputed

4 values โ€ข 4 distinct

Massdisputed

4 values โ€ข 3 distinct

Radiusdisputed

5 values โ€ข 5 distinct

Agestable

1 values โ€ข 1 distinct

Luminositydisputed

2 values โ€ข 2 distinct

Surface Gravitydisputed

4 values โ€ข 4 distinct

Metallicitydisputed

3 values โ€ข 3 distinct

Spectral Typedisputed

3 values โ€ข 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
โ€”โ€”โ€”โ€”โ€”G5 V63.45Michigan Catalog, Vol. 1TICv8
55891.962.30โ€”โ€”โ€”63.45Stassun et al. 2017TICv8
5582.5โ€”2.30โ€”0.67โ€”63.45Gaia DR2TICv8
5604.60.992.27โ€”0.66โ€”63.45TICv8TICv8
โ€”1.722.315.64โ€”โ€”63.45Takeda et al. 2007TICv8
โ€”โ€”โ€”โ€”โ€”โ€”63.45Valenti & Fischer 2005TICv8
โ€”โ€”โ€”โ€”โ€”โ€”63.45Henry et al. 1996TICv8
โ€”โ€”โ€”โ€”โ€”G063.45Cannon & Pickering 1918TICv8
56051.721.76โ€”โ€”G5 V63.45Wittenmyer et al. 2014TICv8
โ€”โ€”โ€”โ€”โ€”โ€”63.45Nordstrom et al. 2004TICv8