Stellar HostProfile

HD 18742

G0 • 162.7 pc

Records

literature rows

Planets

system count

References

distinct source labels

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

Approximate color

from effective temperature

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

Multiple classifications reported

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

Planets

Stable across source rows

Sun

1.0 R☉ baseline

HD 18742

5.50 R☉

Discovery

2011

Period

772 days

Radius

—

Mass

858.1 M⊕

Eq. Temp

—

Evidence Summary

Rows

Stellar refs

System refs

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 TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
—	—	—	—	—	G0	162.7	Cannon & Pickering 1918	TICv8
5048	1.60	4.90	2.30	1.14	—	162.7	Johnson et al. 2011	TICv8
5016	1.73	—	—	—	—	162.7	Mortier et al. 2013	TICv8
4940	1.36	5.13	—	—	—	162.7	Luhn et al. 2019	TICv8
5021	2.58	5.88	—	—	—	162.7	Stassun et al. 2017	TICv8
5047	—	5.94	—	1.32	—	162.7	Gaia DR2	TICv8
4940	—	6.34	—	—	—	162.7	TICv8	TICv8
5021	1.48	4.08	2.49	1.12	—	162.7	Jofré et al. 2015	TICv8
—	—	—	—	—	G8/K0 IV	162.7	Michigan Catalog, Vol. 4	TICv8

HD 18742

Adopted host values from all rows

Radius against the Sun

Known planets

HD 18742 b

Underlying measurements and references