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Stellar HostProfile

HD 18143

G5 • 22.52 pc

Records

10

literature rows

Planets

2

system count

References

11

distinct source labels

HIP: HIP 13642 ATIC: TIC 436933294HD: HD 18143

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

5113 K

5078 to 5148

2 values • 2 distinct

Mass

0.88 Msun

0.85 to 0.90

4 values • 2 distinct

Radius

0.87 Rsun

0.87 to 0.89

3 values • 2 distinct

Age

9.04 Gyr

8.68 to 9.40

2 values • 2 distinct

Luminosity

-0.29 log(Lsun)

-0.32 to -0.26

2 values • 2 distinct

Distance

22.52 pc

single adopted value

10 values • 1 distinct

Spectral Type

G5

Multiple classifications reported

G5 (1), K2 (1), K2 IV (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 18143 c

Radial Velocity

Discovery

2022

Period

2.90e4 days

Radius

Mass

3177.6 M⊕

Eq. Temp

HD 18143 b

Radial Velocity

Discovery

2022

Period

10.29 days

Radius

Mass

10.81 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

2 values • 2 distinct

Massdisputed

4 values • 2 distinct

Radiusdisputed

3 values • 2 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

3 values • 2 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typedisputed

3 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
G522.52Cannon & Pickering 1918TICv8
K2 IV22.52Gray et al. 2003TICv8
0.8522.52Feng et al. 2022TICv8
0.900.878.6822.52Takeda et al. 2007TICv8
51480.900.879.40-0.26K222.52Turnbull 2015TICv8
22.52Nidever et al. 2002TICv8
22.52Wright et al. 2004TICv8
50780.850.89-0.3222.52TICv8TICv8
22.52Valenti & Fischer 2005TICv8
22.52Duncan et al. 1991TICv8