Temperature
5391 K
5326 to 5455
G9 V • 85.80 pc
Records
10
literature rows
Planets
4
system count
References
9
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
5391 K
5326 to 5455
Mass
0.81 Msun
0.76 to 0.95
Radius
0.84 Rsun
0.83 to 0.87
Age
10.50 Gyr
5 to 16.10
Luminosity
-0.27 log(Lsun)
-0.28 to -0.25
Distance
85.80 pc
single adopted value
Spectral Type
G9 V
Consistent across records
Planets
4
Stable across source rows
Scale Comparison
Current adopted radius: 0.84 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
TOI-561
0.84 R☉
System Layout
4 planets linked to this host
Transit
Discovery
2020
Period
77.14 days
Radius
2.52 R⊕
Mass
12.40 M⊕
Eq. Temp
416 K
Transit
Discovery
2020
Period
25.71 days
Radius
2.62 R⊕
Mass
13.33 M⊕
Eq. Temp
600 K
Transit
Discovery
2020
Period
10.78 days
Radius
2.87 R⊕
Mass
5.93 M⊕
Eq. Temp
802 K
Transit
Discovery
2020
Period
0.45 days
Radius
1.42 R⊕
Mass
1.59 M⊕
Eq. Temp
—
Provenance
Evidence Summary
Rows
10
Stellar refs
8
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5372 | 0.81 | 0.84 | 11 | -0.27 | G9 V | 85.80 | Lacedelli et al. 2022 | TICv8 |
| 5391 | — | 0.84 | — | — | — | 85.80 | ExoFOP | TICv8 |
| 5440 | 0.95 | 0.84 | — | -0.25 | — | 85.80 | TICv8 | TICv8 |
| 5353 | — | 0.87 | — | -0.25 | — | 85.80 | Gaia DR2 | TICv8 |
| 5342 | 0.76 | 0.86 | 16.10 | -0.27 | — | 85.80 | MacDougall et al. 2023 | TICv8 |
| — | 0.81 | 0.84 | — | — | — | 85.80 | Piotto et al. 2024 | TICv8 |
| 5391 | — | 0.84 | — | — | — | 85.80 | ExoFOP | TICv8 |
| 5391 | — | 0.84 | — | — | — | 85.80 | ExoFOP | TICv8 |
| 5326 | 0.81 | 0.83 | 10 | -0.28 | — | 85.80 | Weiss et al. 2021 | TICv8 |
| 5455 | 0.79 | 0.85 | 5 | — | G9 V | 85.80 | Lacedelli et al. 2021 | TICv8 |