Temperature
4927 K
4927 to 5314
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Stellar HostProfile
K2-15
Unclassified star • 494.0 pc
Records
7
literature rows
Planets
1
system count
References
8
distinct source labels
TIC: TIC 366696612
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: TICv8 • System source: TICv8
Mass
0.81 Msun
0.72 to 0.81
Radius
0.85 Rsun
0.68 to 0.85
Luminosity
-0.42 log(Lsun)
-0.45 to -0.42
Distance
494.0 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.85 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-15
0.85 R☉
System Layout
Known planets
1 planets linked to this host
K2-15 b
Transit
◌
Discovery
2015
Period
11.81 days
Radius
2.48 R⊕
Mass
—
Eq. Temp
676 K
K2-15 and Its Super-Earth
K2-15 is a star 1610 light-years away with a spectral type of G8. It has 0.81 solar masses, 0.845 solar radii, and a temperature of 4930 K, making its reported mass and radius smaller than the Sun's and its temperature cooler. One planet is known to orbit this host.
That planet, K2-15 b, is a Super-Earth discovered by transit in 2015. It completes an orbit in 11.8 days and has a radius of 2.48 Earth radii, larger than Earth's.
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Stellar refs
7
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5314 | 0.81 | 0.78 | — | — | — | 494.0 | Crossfield et al. 2016 | TICv8 |
| 4992 | — | 0.76 | — | — | — | 494.0 | Vanderburg et al. 2016 | TICv8 |
| 4927 | 0.81 | 0.85 | — | -0.42 | — | 494.0 | TICv8 | TICv8 |
| — | — | — | — | — | G8 | 494.0 | Luo et al. 2018 | TICv8 |
| 5131 | 0.72 | 0.68 | — | — | — | 494.0 | Montet et al. 2015 | TICv8 |
| 4982.2 | — | 0.80 | — | -0.45 | — | 494.0 | Gaia DR2 | TICv8 |
| — | — | 0.80 | — | — | — | 494.0 | Kruse et al. 2019 | TICv8 |