Temperature
3177.5 K
3135 to 3305
M4 • 3.37 pc
Records
6
literature rows
Planets
1
system count
References
7
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
3177.5 K
3135 to 3305
Mass
0.18 Msun
0.17 to 0.25
Radius
0.21 Rsun
0.20 to 0.22
Age
5 Gyr
single adopted value
Luminosity
-2.42 log(Lsun)
-2.44 to -2.40
Distance
3.37 pc
single adopted value
Spectral Type
M4
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 0.21 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
Ross 128
0.21 R☉
System Layout
1 planets linked to this host
Radial Velocity
Discovery
2017
Period
9.87 days
Radius
—
Mass
1.40 M⊕
Eq. Temp
301 K
Provenance
Evidence Summary
Rows
6
Stellar refs
6
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 3192 | 0.17 | 0.20 | 5 | -2.44 | M4 | 3.37 | Bonfils et al. 2018 | TICv8 |
| — | — | — | — | — | — | 3.37 | Nidever et al. 2002 | TICv8 |
| 3305 | — | — | — | — | — | 3.37 | Gaia DR2 | TICv8 |
| 3135 | 0.25 | 0.22 | — | — | M4.0V | 3.37 | Turnbull 2015 | TICv8 |
| — | — | — | — | — | M4 | 3.37 | Hawley et al. 1996 | TICv8 |
| 3163 | 0.18 | 0.21 | — | -2.40 | — | 3.37 | TICv8 | TICv8 |