Temperature
5991 K
5971.4 to 5991
←Back to Stellar Hosts
Stellar HostProfile
TOI-1789
F • 229.1 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
HD: HD 82139TIC: TIC 172518755
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: Khandelwal et al. 2022 • System source: TICv8
Mass
1.51 Msun
1.10 to 1.51
Radius
2.17 Rsun
2.17 to 2.26
Age
2.73 Gyr
single adopted value
Luminosity
0.74 log(Lsun)
0.74 to 0.77
Distance
229.1 pc
single adopted value
Spectral Type
F
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 2.17 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TOI-1789
2.17 R☉
System Layout
Known planets
1 planets linked to this host
TOI-1789 b
Transit
◌
Discovery
2021
Period
3.21 days
Radius
16.14 R⊕
Mass
222.5 M⊕
Eq. Temp
1927 K
TOI-1789 and Its Jupiter-Like Planet
TOI-1789 is an F-type star located 747 light-years away. It is 2.73 billion years old, with a mass of 1.51 solar masses and a radius of 2.17 solar radii. Its temperature is 5990 K, and the star's reported temperature is hotter than the Sun's. One planet is known to orbit this star.
TOI-1789 b is a Jupiter-like planet discovered by the transit method in 2021. It has a mass of 222 Earth masses, a radius of 16.1 Earth radii, and an orbital period of 3.21 days. Its radius estimate is larger than Earth's, and its mass estimate is larger than Earth's. The planet's mean density is 0.292 g/cm³, 0.0529 times Earth's.
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Stellar refs
3
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable