Temperature
4991 K
4874.1 to 5128
K2 III-IV • 443.0 pc
Records
24
literature rows
Planets
2
system count
References
18
distinct source labels
Approximate color
from effective temperature
Canonical Summary
Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.
Temperature
4991 K
4874.1 to 5128
Mass
1.30 Msun
1.08 to 1.41
Radius
2.94 Rsun
1.83 to 3.93
Age
7.76 Gyr
3.72 to 9.50
Luminosity
0.63 log(Lsun)
0.62 to 0.65
Distance
443.0 pc
single adopted value
Spectral Type
K2 III-IV
Consistent across records
Planets
2
Stable across source rows
Scale Comparison
Current adopted radius: 2.94 R☉ • circles scaled linearly by radius
Sun
1.0 R☉ baseline
Kepler-278
2.94 R☉
System Layout
2 planets linked to this host
Transit
Discovery
2014
Period
51.08 days
Radius
2.99 R⊕
Mass
—
Eq. Temp
—
Transit
Discovery
2014
Period
30.16 days
Radius
4.23 R⊕
Mass
—
Eq. Temp
829 K
Provenance
Evidence Summary
Rows
24
Stellar refs
17
System refs
1