Temperature
5810 K
5765.9 to 5855
G3 V • 45.95 pc
Records
17
literature rows
Planets
2
system count
References
17
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
5810 K
5765.9 to 5855
Mass
1.04 Msun
1 to 1.19
Radius
1.16 Rsun
1.15 to 1.17
Age
8.16 Gyr
7.40 to 8.91
Luminosity
0.13 log(Lsun)
0.13 to 0.13
Distance
45.95 pc
single adopted value
Spectral Type
G3 V
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 1.16 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 187123
1.16 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
1998
Period
3.10 days
Radius
—
Mass
166.2 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2008
Period
3374 days
Radius
—
Mass
544.4 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
17
Stellar refs
16
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5781.8 | — | 1.16 | — | 0.13 | — | 45.95 | Gaia DR2 | TICv8 |
| — | 1.19 | — | — | — | — | 45.95 | An et al. 2025 | TICv8 |
| — | 1.04 | — | — | — | — | 45.95 | Bryan et al. 2016 | TICv8 |
| — | 1.04 | 1.17 | 7.40 | — | — | 45.95 | Takeda et al. 2007 | TICv8 |
| 5830 | 1 | — | — | 0.13 | G3 V | 45.95 | Butler et al. 1998 | TICv8 |
| 5845 | 1.04 | — | — | — | — | 45.95 | Santos et al. 2004 | TICv8 |
| — | — | — | — | — | — | 45.95 | Nidever et al. 2002 | TICv8 |
| — | — | — | 8.91 | — | — | 45.95 | Sanz-Forcada et al. 2010 | TICv8 |
| 5790 | 1.04 | 1.15 | — | 0.13 | — | 45.95 | TICv8 | TICv8 |
| — | — | — | — | — | — | 45.95 | Wright et al. 2004 | TICv8 |
| 5855 | 1.05 | — | — | — | — | 45.95 | Santos et al. 2003 | TICv8 |
| — | — | — | — | — | — | 45.95 | Valenti & Fischer 2005 | TICv8 |
| — | — | — | — | — | G5 | 45.95 | Cannon & Pickering 1918 | TICv8 |
| 5765.9 | 1.02 | 1.15 | — | — | — | 45.95 | Rosenthal et al. 2021 | TICv8 |
| — | 1.19 | — | — | — | — | 45.95 | An et al. 2025 | TICv8 |
| — | — | — | — | — | — | 45.95 | Naef et al. 2004 | TICv8 |
| — | — | — | — | — | — | 45.95 | Nordstrom et al. 2004 | TICv8 |