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Stellar HostProfile

HD 9446

G5 • 50.35 pc

Records

4

literature rows

Planets

2

system count

References

5

distinct source labels

HD: HD 9446TIC: TIC 18277196HIP: HIP 7245

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

5791 K

5779 to 5793

3 values • 3 distinct

Mass

1.02 Msun

1 to 1.04

2 values • 2 distinct

Radius

0.99 Rsun

0.99 to 1

3 values • 3 distinct

Luminosity

-7.11e-3 log(Lsun)

-7.80e-3 to 0.04

3 values • 3 distinct

Distance

50.35 pc

single adopted value

4 values • 1 distinct

Spectral Type

G5

Multiple classifications reported

G5 (1), G5 V (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 9446 c

Radial Velocity

Discovery

2009

Period

192.9 days

Radius

Mass

578.4 M⊕

Eq. Temp

HD 9446 b

Radial Velocity

Discovery

2009

Period

30.05 days

Radius

Mass

222.5 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Stellar refs

4

System refs

1

Distancestable

4 values • 1 distinct

Parallaxstable

4 values • 1 distinct

Temperaturedisputed

3 values • 3 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

3 values • 3 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

2 values • 2 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
57910.99-7.11e-350.35Gaia DR2TICv8
5793110.04G5 V50.35Hebrard et al. 2010TICv8
57791.040.99-7.80e-350.35TICv8TICv8
G550.35Cannon & Pickering 1918TICv8