Temperature
4972 K
4722 to 5076
G8 IV • 189.9 pc
Records
9
literature rows
Planets
1
system count
References
10
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
4972 K
4722 to 5076
Mass
1.74 Msun
1.41 to 3.16
Radius
6.34 Rsun
3.71 to 6.98
Age
2.34 Gyr
1.80 to 2.88
Luminosity
1.26 log(Lsun)
1.20 to 1.36
Distance
189.9 pc
single adopted value
Spectral Type
G8 IV
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 6.34 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 28678
6.34 R☉
System Layout
1 planets linked to this host
Radial Velocity
Discovery
2011
Period
387.1 days
Radius
—
Mass
810.5 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
9
Stellar refs
9
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | K0 | 189.9 | Cannon & Pickering 1918 | TICv8 |
| 4972 | — | 6.86 | — | — | — | 189.9 | TICv8 | TICv8 |
| 5052 | 2.03 | — | — | — | — | 189.9 | Mortier et al. 2013 | TICv8 |
| 5076 | 1.74 | 6.20 | 1.80 | 1.36 | — | 189.9 | Johnson et al. 2011 | TICv8 |
| — | — | — | — | — | G8 IV | 189.9 | Michigan Catalog, Vol. 5 | TICv8 |
| 4947.6 | — | 5.80 | — | 1.26 | — | 189.9 | Gaia DR2 | TICv8 |
| 4972 | 1.53 | 6.48 | — | — | — | 189.9 | Luhn et al. 2019 | TICv8 |
| 4722 | 3.16 | 6.98 | — | — | — | 189.9 | Stassun et al. 2017 | TICv8 |
| 5071 | 1.41 | 3.71 | 2.88 | 1.20 | — | 189.9 | Jofré et al. 2015 | TICv8 |