Temperature
5842 K
5842 to 5857
G0 • 250.5 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
Approximate color
from effective temperature
Canonical Summary
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Hagelberg et al. 2023 • System source: TICv8
Temperature
5842 K
5842 to 5857
Mass
1.08 Msun
1.06 to 1.08
Radius
1.31 Rsun
1.30 to 1.31
Age
6.80 Gyr
single adopted value
Luminosity
0.25 log(Lsun)
0.25 to 0.25
Distance
250.5 pc
single adopted value
Spectral Type
G0
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 1.31 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TOI-858 B
1.31 R☉
System Layout
1 planets linked to this host
Transit
Discovery
2023
Period
3.28 days
Radius
14.07 R⊕
Mass
349.6 M⊕
Eq. Temp
1529 K
TOI-858 B is a G-type star 817 light-years away, with an age of 6.8 billion years, a mass of 1.08 solar masses, a radius of 1.31 solar radii, and a temperature of 5840 K. Its reported mass and radius estimates are both larger than the Sun's. One planet is known to orbit this star.
TOI-858 B b is a Jupiter-like planet discovered by transit in 2023. It completes an orbit every 3.28 days. Its radius is 14.1 Earth radii, larger than Earth's, and its mass is 350 Earth masses, also larger than Earth's and roughly 1.1 times Jupiter's mass. Its mean density is 0.692 g/cm³, 0.126 times Earth's.
Provenance
Evidence Summary
Rows
3
Stellar refs
3
System refs
1