Temperature
3710 K
3564 to 3912.5
K5 • 5.76 pc
Records
13
literature rows
Planets
2
system count
References
14
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
3710 K
3564 to 3912.5
Mass
0.54 Msun
0.48 to 0.58
Radius
0.46 Rsun
0.46 to 0.55
Age
0.40 Gyr
single adopted value
Luminosity
-1.39 log(Lsun)
-1.55 to -1.22
Distance
5.76 pc
single adopted value
Spectral Type
K5
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 0.46 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
GJ 229
0.46 R☉
System Layout
2 planets linked to this host
Radial Velocity
Discovery
2014
Period
526.1 days
Radius
—
Mass
8.48 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2020
Period
121.9 days
Radius
—
Mass
8.58 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
13
Stellar refs
13
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 3564 | 0.58 | — | — | -1.55 | M1/M2 V | 5.76 | Tuomi et al. 2014 | TICv8 |
| — | — | — | — | — | M1/2 V | 5.76 | Michigan Catalog, Vol. 4 | TICv8 |
| — | — | — | — | — | — | 5.76 | Nidever et al. 2002 | TICv8 |
| — | 0.58 | — | — | — | — | 5.76 | Feng et al. 2020 | TICv8 |
| — | — | — | — | — | — | 5.76 | Wright et al. 2004 | TICv8 |
| — | — | 0.46 | 0.40 | — | — | 5.76 | Takeda et al. 2007 | TICv8 |
| 3912.5 | — | — | — | — | — | 5.76 | Gaia DR2 | TICv8 |
| — | — | — | — | — | M0.5 | 5.76 | Hawley et al. 1996 | TICv8 |
| — | — | — | — | — | — | 5.76 | Nordstrom et al. 2004 | TICv8 |
| — | — | — | — | — | K5 | 5.76 | Cannon & Pickering 1918 | TICv8 |
| 3710 | 0.48 | 0.46 | — | -1.22 | M1.5V | 5.76 | Turnbull 2015 | TICv8 |
| — | 0.51 | — | — | — | — | 5.76 | Feng et al. 2022 | TICv8 |
| — | 0.54 | 0.55 | — | — | — | 5.76 | TICv8 | TICv8 |