Temperature
5461 K
5348 to 5555.7
G0 • 53.61 pc
Records
10
literature rows
Planets
6
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
5461 K
5348 to 5555.7
Mass
0.82 Msun
0.81 to 0.95
Radius
0.92 Rsun
0.89 to 0.94
Age
8.70 Gyr
7 to 13.90
Luminosity
-0.17 log(Lsun)
-0.19 to -0.16
Distance
53.61 pc
single adopted value
Spectral Type
G0
Multiple classifications reported
Planets
6
Stable across source rows
Scale Comparison
Current adopted radius: 0.92 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
HD 191939
0.92 R☉
System Layout
6 planets linked to this host
Transit
Discovery
2020
Period
38.35 days
Radius
3.28 R⊕
Mass
—
Eq. Temp
494.1 K
Radial Velocity
Discovery
2022
Period
2898 days
Radius
—
Mass
915.3 M⊕
Eq. Temp
—
Radial Velocity
Discovery
2022
Period
288.6 days
Radius
—
Mass
6.88 M⊕
Eq. Temp
—
Transit
Discovery
2020
Period
28.58 days
Radius
3.23 R⊕
Mass
—
Eq. Temp
552 K
Radial Velocity
Discovery
2022
Period
101.7 days
Radius
—
Mass
114.1 M⊕
Eq. Temp
—
Transit
Discovery
2020
Period
8.88 days
Radius
3.21 R⊕
Mass
—
Eq. Temp
777 K
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 |
|---|---|---|---|---|---|---|---|---|
| 5555.7 | — | 0.92 | — | — | — | 53.61 | ExoFOP | TICv8 |
| 5555.7 | — | 0.92 | — | — | — | 53.61 | ExoFOP | TICv8 |
| 5348 | 0.81 | 0.94 | 8.70 | -0.19 | G9 V | 53.61 | Lubin et al. 2022 | TICv8 |
| 5385 | 0.82 | 0.93 | 13.90 | -0.18 | — | 53.61 | MacDougall et al. 2023 | TICv8 |
| 5461 | 0.95 | 0.92 | — | -0.17 | — | 53.61 | TICv8 | TICv8 |
| 5555.7 | — | 0.89 | — | -0.17 | — | 53.61 | Gaia DR2 | TICv8 |
| 5348 | 0.81 | 0.94 | 8.70 | -0.19 | — | 53.61 | Lubin et al. 2024 | TICv8 |
| — | — | — | — | — | G0 | 53.61 | Cannon & Pickering 1918 | TICv8 |
| 5427 | 0.92 | 0.94 | 7 | -0.16 | G8 V | 53.61 | Badenas-Agusti et al. 2020 | TICv8 |
| 5555.7 | — | 0.92 | — | — | — | 53.61 | ExoFOP | TICv8 |