Temperature
5702 K
5645 to 5785
K0 • 37.85 pc
Records
15
literature rows
Planets
2
system count
References
15
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
5702 K
5645 to 5785
Mass
1.08 Msun
1 to 1.20
Radius
1.20 Rsun
1.04 to 1.21
Age
3.69 Gyr
1 to 6.39
Luminosity
0.10 log(Lsun)
0.03 to 0.13
Distance
37.85 pc
single adopted value
Spectral Type
K0
Consistent across records
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 1.20 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 12661
1.20 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
2000
Period
252.7 days
Radius
—
Mass
886.7 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2002
Period
1699.7 days
Radius
—
Mass
899.5 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
15
Stellar refs
14
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | — | 37.85 | Valenti & Fischer 2005 | TICv8 |
| 5754 | 1.07 | 1.10 | — | — | — | 37.85 | Fischer et al. 2001 | TICv8 |
| — | 1.16 | — | — | — | — | 37.85 | An et al. 2025 | TICv8 |
| 5785 | 1.10 | 1.04 | 1 | 0.03 | — | 37.85 | Ghezzi et al. 2010 | TICv8 |
| 5655 | 1 | 1.21 | — | 0.13 | — | 37.85 | TICv8 | TICv8 |
| 5656 | — | 1.21 | — | 0.13 | — | 37.85 | Gaia DR2 | TICv8 |
| 5661.2 | 1.08 | 1.20 | — | — | — | 37.85 | Rosenthal et al. 2021 | TICv8 |
| 5702 | 1.05 | — | — | — | — | 37.85 | Santos et al. 2004 | TICv8 |
| — | — | — | — | — | K0 | 37.85 | Cannon & Pickering 1918 | TICv8 |
| — | — | — | — | — | — | 37.85 | Wright et al. 2004 | TICv8 |
| — | — | — | — | — | — | 37.85 | Nidever et al. 2002 | TICv8 |
| 5748 | 1.02 | 1.11 | 6.39 | 0.06 | — | 37.85 | Liu et al. 2014 | TICv8 |
| 5645 | 1.20 | 1.20 | — | — | — | 37.85 | Stassun et al. 2017 | TICv8 |
| — | 1.16 | — | — | — | — | 37.85 | An et al. 2025 | TICv8 |
| 5715 | 1.05 | — | — | — | — | 37.85 | Santos et al. 2003 | TICv8 |