Temperature
5474.5 K
5441 to 5489.0
G8/K0 V • 40.43 pc
Records
6
literature rows
Planets
2
system count
References
7
distinct source labels
Approximate color
from effective temperature
Canonical Summary
Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.
Temperature
5474.5 K
5441 to 5489.0
Mass
0.94 Msun
0.93 to 0.96
Radius
0.93 Rsun
0.93 to 0.94
Age
6.36 Gyr
single adopted value
Luminosity
-0.15 log(Lsun)
-0.15 to -0.15
Distance
40.43 pc
single adopted value
Spectral Type
G8/K0 V
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 0.93 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 147018
0.93 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
2009
Period
44.24 days
Radius
—
Mass
674 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2009
Period
1008 days
Radius
—
Mass
2080 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
6
Stellar refs
6
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | G8/K0 V | 40.43 | Michigan Catalog, Vol. 1 | TICv8 |
| 5489.0 | 0.96 | 0.93 | — | -0.15 | — | 40.43 | TICv8 | TICv8 |
| — | — | — | — | — | — | 40.43 | Nordstrom et al. 2004 | TICv8 |
| 5441 | 0.93 | — | 6.36 | — | G9 V | 40.43 | Ségransan et al. 2010 | TICv8 |
| — | — | — | — | — | K0 | 40.43 | Cannon & Pickering 1918 | TICv8 |
| 5474.5 | — | 0.94 | — | -0.15 | — | 40.43 | Gaia DR2 | TICv8 |