Temperature
5300 K
5300 to 5405.6
Unclassified star • 178.1 pc
Records
2
literature rows
Planets
1
system count
References
3
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: TICv8 • System source: TICv8
Temperature
5300 K
5300 to 5405.6
Mass
0.91 Msun
single adopted value
Radius
0.84 Rsun
single adopted value
Luminosity
-0.30 log(Lsun)
single adopted value
Distance
178.1 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Current adopted radius: 0.84 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TIC 178172313
0.84 R☉
System Layout
1 planets linked to this host
Transit
Discovery
2026
Period
4.37 days
Radius
2.80 R⊕
Mass
—
Eq. Temp
—
TIC 178172313 is a star located 581 light-years away. It has a mass of 0.91 solar masses, a radius of 0.843 solar radii, and a temperature of 5300 K. Its reported radius estimate is smaller than the Sun's, and its reported temperature is cooler than the Sun's. This host is known to have one planet.
That planet, TIC 178172313 b, is a Neptune-like world discovered by transit in 2026. A transit occurs when a planet passes in front of its star from our viewpoint, causing a small dip in observed brightness, and repeated dips help establish orbital periods. TIC 178172313 b orbits every 4.37 days and has a radius of 2.8 Earth radii, which is larger than Earth's.
Neptune-like is a size class: it compares radius with Earth's, reaching up to 4 times Earth's radius, rather than describing composition. TIC 178172313 b's orbital period is the time it takes to complete one orbit.
Provenance
Evidence Summary
Rows
2
Stellar refs
2
System refs
1
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5300 | 0.91 | 0.84 | — | -0.30 | — | 178.1 | TICv8 | TICv8 |
| 5405.6 | — | 0.84 | — | — | — | 178.1 | Lafarga et al. 2026 | TICv8 |