Temperature
4990 K
4907 to 5007
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Stellar HostProfile
HAT-P-19
K1 • 202.1 pc
Records
6
literature rows
Planets
1
system count
References
7
distinct source labels
TIC: TIC 267650535
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Hartman et al. 2011 • System source: TICv8
Mass
0.84 Msun
0.81 to 0.84
Radius
0.82 Rsun
0.77 to 0.82
Age
8.80 Gyr
7.20 to 8.80
Luminosity
-0.43 log(Lsun)
-0.49 to -0.43
Distance
202.1 pc
single adopted value
Spectral Type
K1
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.82 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HAT-P-19
0.82 R☉
System Layout
Known planets
1 planets linked to this host
HAT-P-19 b
Transit
◌
Discovery
2010
Period
4.01 days
Radius
11.30 R⊕
Mass
88.04 M⊕
Eq. Temp
981.2 K
HAT-P-19 and Its Jupiter-Like Planet
HAT-P-19 is a K1 star 659 light-years away with one known planet. Its mass is 0.842 solar masses, its radius is 0.82 solar radii, and its temperature is 4990 K. The star's reported mass and radius estimates are smaller than the Sun's, and its reported temperature is cooler than the Sun's.
HAT-P-19 b is a Jupiter-like planet discovered by transit in 2010. Its radius is 11.3 Earth radii, larger than Earth's, and its mass is 88 Earth masses, also larger than Earth's. The planet's mean density is 0.336 g/cm³, 0.061 times Earth's. It completes an orbit every 4.01 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
6
Stellar refs
6
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5007 | — | 0.80 | — | — | — | 202.1 | ExoFOP | TICv8 |
| 5007 | 0.83 | 0.80 | — | -0.45 | — | 202.1 | TICv8 | TICv8 |
| 4990 | 0.84 | 0.82 | 8.80 | -0.43 | K1 | 202.1 | Hartman et al. 2011 | TICv8 |
| 4907 | — | 0.79 | — | -0.48 | — | 202.1 | Gaia DR2 | TICv8 |
| 4962 | 0.81 | 0.77 | 7.20 | -0.49 | — | 202.1 | Kang et al. 2024 | TICv8 |
| 4990 | 0.84 | 0.82 | 8.80 | — | — | 202.1 | Bonomo et al. 2017 | TICv8 |