Temperature
3666 K
3512 to 3793
M2±0.5 • 154.7 pc
Records
4
literature rows
Planets
1
system count
References
5
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
3666 K
3512 to 3793
Mass
0.58 Msun
0.58 to 0.58
Radius
0.59 Rsun
0.58 to 0.59
Age
3 Gyr
single adopted value
Luminosity
-1.22 log(Lsun)
-1.25 to -1.20
Distance
154.7 pc
single adopted value
Spectral Type
M2±0.5
Multiple classifications reported
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 0.59 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
TOI-4666
0.59 R☉
System Layout
1 planets linked to this host
Transit
Discovery
2025
Period
2.91 days
Radius
12.87 R⊕
Mass
—
Eq. Temp
729 K
Provenance
Evidence Summary
Rows
4
Stellar refs
4
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 3666 | 0.58 | 0.59 | — | -1.25 | — | 154.7 | TICv8 | TICv8 |
| 3512 | 0.58 | 0.59 | — | -1.22 | M2.5 V | 154.7 | Frensch et al. 2026 | TICv8 |
| 3793 | 0.58 | 0.58 | 3 | -1.20 | M2±0.5 | 154.7 | Dransfield et al. 2026 | TICv8 |
| 3666 | — | 0.59 | — | — | — | 154.7 | ExoFOP | TICv8 |