Temperature
2566 K
2520 to 5780
M8.0 V
Records
10
literature rows
Planets
7
system count
References
11
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
2566 K
2520 to 5780
Mass
0.09 Msun
0.08 to 0.09
Radius
0.12 Rsun
0.11 to 0.12
Age
4.05 Gyr
0.50 to 7.60
Luminosity
-3.26 log(Lsun)
-3.28 to -3.26
Spectral Type
M8.0 V
Consistent across records
Planets
7
Stable across source rows
Scale Comparison
Current adopted radius: 0.12 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
TRAPPIST-1
0.12 R☉
System Layout
7 planets linked to this host
Transit
Discovery
2016
Period
2.42 days
Radius
1.05 R⊕
Mass
—
Eq. Temp
342 K
Transit
Discovery
2016
Period
—
Radius
1.12 R⊕
Mass
1.02 M⊕
Eq. Temp
—
Transit
Discovery
2016
Period
4.05 days
Radius
0.77 R⊕
Mass
0.41 M⊕
Eq. Temp
288 K
Transit
Discovery
2017
Period
9.21 days
Radius
1.04 R⊕
Mass
0.68 M⊕
Eq. Temp
219 K
Transit
Discovery
2017
Period
—
Radius
0.91 R⊕
Mass
0.77 M⊕
Eq. Temp
—
Transit
Discovery
2017
Period
12.35 days
Radius
1.13 R⊕
Mass
1.34 M⊕
Eq. Temp
198.6 K
Transit
Discovery
2017
Period
20 days
Radius
0.76 R⊕
Mass
—
Eq. Temp
168 K
Provenance
Evidence Summary
Rows
10
Stellar refs
10
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 2566 | 0.09 | 0.12 | — | -3.26 | — | — | Agol et al. 2021 | TICv8 |
| — | 0.09 | — | — | — | — | — | Grimm et al. 2018 | TICv8 |
| 2520 | 0.09 | 0.12 | — | -3.26 | — | — | Ducrot et al. 2020 | TICv8 |
| 2566 | 0.09 | 0.12 | 7.60 | -3.26 | M8.0 V | — | Piaulet-Ghorayeb et al. 2025 | TICv8 |
| 3352.3 | — | — | — | — | — | — | Gaia DR2 | TICv8 |
| — | 0.09 | 0.11 | — | — | — | — | TICv8 | TICv8 |
| — | — | — | — | — | — | — | Hirano et al. 2020 | TICv8 |
| 2559 | 0.08 | 0.12 | — | -3.28 | — | — | Gillon et al. 2017 | TICv8 |
| 2550 | 0.08 | 0.12 | 0.50 | -3.28 | — | — | Gillon et al. 2016 | TICv8 |
| 5780 | — | 0.11 | — | — | — | — | ExoFOP | TICv8 |