Temperature
5794 K
5664 to 5794
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Stellar HostProfile
K2-357
Unclassified star • 517.7 pc
Records
2
literature rows
Planets
1
system count
References
3
distinct source labels
TIC: TIC 293459761
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: Castro-González et al. 2022 • System source: TICv8
Mass
0.98 Msun
0.98 to 1.01
Radius
1 Rsun
0.96 to 1
Distance
517.7 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-357
1 R☉
System Layout
Known planets
1 planets linked to this host
K2-357 b
Transit
◌
Discovery
2021
Period
16.35 days
Radius
3.72 R⊕
Mass
—
Eq. Temp
735 K
K2-357 and Its Neptune-like Planet
K2-357 is a star 1,690 light-years away with one known planet. The host star has 0.98 solar masses and 1 solar radius, and a temperature of 5,790 K.
The planet K2-357 b was discovered in 2021 by the transit method. It is Neptune-like, with a radius of 3.72 Earth radii, and its reported radius estimate is larger than Earth's. It completes an orbit every 16.3 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Stellar refs
2
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Luminositystable
Surface Gravitydisputed
Metallicitystable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5664 | 1.01 | 0.96 | — | -0.07 | — | 517.7 | TICv8 | TICv8 |
| 5794 | 0.98 | 1 | — | — | — | 517.7 | Castro-González et al. 2022 | TICv8 |