Temperature
5347.5 K
5230 to 5748
G9 • 289.8 pc
Records
19
literature rows
Planets
3
system count
References
19
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
5347.5 K
5230 to 5748
Mass
0.90 Msun
0.84 to 0.99
Radius
0.84 Rsun
0.81 to 1.01
Age
4.85 Gyr
1.70 to 8
Luminosity
-0.30 log(Lsun)
-0.31 to -0.29
Distance
289.8 pc
single adopted value
Spectral Type
G9
Multiple classifications reported
Planets
3
Stable across source rows
Scale Comparison
Current adopted radius: 0.84 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
K2-19
0.84 R☉
System Layout
3 planets linked to this host
Provenance
Evidence Summary
Rows
19
Stellar refs
18
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5250 | 0.92 | 0.88 | — | — | — | 289.8 | Nespral et al. 2017 | TICv8 |
| 5230 | 0.89 | 0.88 | — | — | — | 289.8 | Armstrong et al. 2015 | TICv8 |
| 5391 | 0.90 | 0.83 | — | — | — | 289.8 | Mayo et al. 2018 | TICv8 |
| 5519 | 0.84 | 0.81 | — | — | — | 289.8 | Montet et al. 2015 | TICv8 |
| 5322 | 0.88 | 0.82 | — | — | — | 289.8 | Howard et al. 2025 | TICv8 |
| — | — | — | — | — | — | 289.8 | Barros et al. 2016 | TICv8 |
| 5350 | 0.89 | 0.82 | 1.70 | — | G9 | 289.8 | Almenara et al. 2025 | TICv8 |
| 5368 | — | 0.84 | — | — | — | 289.8 | Vanderburg et al. 2016 | TICv8 |
| 5345 | 0.90 | 0.91 | 8 | — | — | 289.8 | Narita et al. 2015 | TICv8 |
| 5390 | 0.95 | 0.91 | — | — | — | 289.8 | Barros et al. 2015 | TICv8 |
| 5322 | 0.88 | 0.82 | — | — | — | 289.8 | Petigura et al. 2020 | TICv8 |
| 5748 | 0.99 | 1.01 | — | — | — | 289.8 | Crossfield et al. 2016 | TICv8 |
| 5430 | 0.93 | 0.86 | — | — | G9 V | 289.8 | Sinukoff et al. 2016 | TICv8 |
| — | — | 0.82 | — | — | — | 289.8 | Kruse et al. 2019 | TICv8 |
| 5430 | 0.93 | 0.86 | — | — | — | 289.8 | Dai et al. 2016 | TICv8 |
| 5336.3 | — | 0.82 | — | -0.31 | — | 289.8 | Gaia DR2 | TICv8 |
| — | — | 0.82 | — | — | — | 289.8 | Kruse et al. 2019 | TICv8 |
| 5322 | 0.92 | 0.84 | — | -0.29 | — | 289.8 | TICv8 | TICv8 |
| 5322 | — | 0.84 | — | — | — | 289.8 | ExoFOP | TICv8 |