Temperature
4994 K
4753 to 4994
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Stellar HostProfile
TOI-181
K • 96.23 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
TIC: TIC 76923707
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: Mistry et al. 2023 • System source: TICv8
Mass
0.82 Msun
0.76 to 0.82
Radius
0.74 Rsun
0.74 to 0.81
Age
5.40 Gyr
single adopted value
Luminosity
-0.53 log(Lsun)
-0.53 to -0.53
Distance
96.23 pc
single adopted value
Spectral Type
K
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.74 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TOI-181
0.74 R☉
System Layout
Known planets
1 planets linked to this host
TOI-181 b
Transit
◌
Discovery
2023
Period
4.53 days
Radius
6.96 R⊕
Mass
46.17 M⊕
Eq. Temp
895.1 K
TOI-181 b: A Jupiter-Like World Around a Cooler, Smaller Star
TOI-181 is a K-type star 314 light-years away, with a mass of 0.822 solar masses, a radius of 0.745 solar radii, a temperature of 4990 K, and an age of 5.4 billion years. Its reported mass and radius are smaller than the Sun's, and its temperature is cooler. One planet orbits this host.
That planet is TOI-181 b, a Jupiter-like world discovered by transit in 2023. Its radius of 6.96 Earth radii exceeds four times Earth's radius, placing it in the Jupiter-like class, and its mass of 46.2 Earth masses is larger than Earth's. It completes an orbit every 4.53 days. Its mean density is 0.756 g/cm³, 0.137 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
Metallicitystable
Spectral Typestable