Temperature
5538.5 K
5535.3 to 5620
G5 • 55.85 pc
Records
4
literature rows
Planets
1
system count
References
5
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
5538.5 K
5535.3 to 5620
Mass
1.08 Msun
0.97 to 1.19
Radius
1.85 Rsun
1.85 to 1.85
Age
6.20 Gyr
single adopted value
Luminosity
0.46 log(Lsun)
0.42 to 0.46
Distance
55.85 pc
single adopted value
Spectral Type
G5
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 1.85 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 221585
1.85 R☉
System Layout
1 planets linked to this host
Radial Velocity
Discovery
2016
Period
1173 days
Radius
—
Mass
511.7 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
4
Stellar refs
4
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | G5 | 55.85 | Cannon & Pickering 1918 | TICv8 |
| 5620 | 1.19 | — | 6.20 | 0.42 | G8 IV | 55.85 | Díaz et al. 2016 | TICv8 |
| 5535.3 | 0.97 | 1.85 | — | 0.46 | — | 55.85 | TICv8 | TICv8 |
| 5538.5 | — | 1.85 | — | 0.46 | — | 55.85 | Gaia DR2 | TICv8 |