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Stellar HostProfile

HD 18742

G0 • 162.7 pc

Records

9

literature rows

Planets

1

system count

References

10

distinct source labels

TIC: TIC 71345433HD: HD 18742HIP: HIP 13993

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

5021 K

4940 to 5048

7 values • 5 distinct

Mass

1.60 Msun

1.36 to 2.58

5 values • 5 distinct

Radius

5.50 Rsun

4.08 to 6.34

6 values • 6 distinct

Age

2.40 Gyr

2.30 to 2.49

2 values • 2 distinct

Luminosity

1.14 log(Lsun)

1.12 to 1.32

3 values • 3 distinct

Distance

162.7 pc

single adopted value

9 values • 1 distinct

Spectral Type

G0

Multiple classifications reported

G0 (1), G8/K0 IV (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HD 18742 b

Radial Velocity

Discovery

2011

Period

772 days

Radius

Mass

1185.5 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

9

Stellar refs

9

System refs

1

Distancestable

9 values • 1 distinct

Parallaxstable

9 values • 1 distinct

Temperaturedisputed

7 values • 5 distinct

Massdisputed

5 values • 5 distinct

Radiusdisputed

6 values • 6 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

5 values • 4 distinct

Metallicitydisputed

5 values • 5 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
50212.585.88162.7Stassun et al. 2017TICv8
50475.941.32162.7Gaia DR2TICv8
50211.484.082.491.12162.7Jofré et al. 2015TICv8
49406.34162.7TICv8TICv8
49401.365.13162.7Luhn et al. 2019TICv8
G0162.7Cannon & Pickering 1918TICv8
50481.604.902.301.14162.7Johnson et al. 2011TICv8
G8/K0 IV162.7Michigan Catalog, Vol. 4TICv8
50161.73162.7Mortier et al. 2013TICv8