Temperature
5896 K
5798.7 to 6148
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Stellar HostProfile
Kepler-639
Unclassified star • 850.2 pc
Records
14
literature rows
Planets
1
system count
References
15
distinct source labels
TIC: TIC 137409501
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: Morton et al. 2016 • System source: TICv8
Mass
1.14 Msun
0.98 to 1.15
Radius
1.29 Rsun
1.04 to 1.73
Age
4.37 Gyr
2.50 to 7.94
Distance
850.2 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.29 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Kepler-639
1.29 R☉
System Layout
Known planets
1 planets linked to this host
Kepler-639 b
Transit
◌
Discovery
2016
Period
10.21 days
Radius
2.38 R⊕
Mass
—
Eq. Temp
—
Kepler-639 and Its Super-Earth
Kepler-639 is a star located 2770 light-years away, and it hosts one known planet. The star is estimated to be 4.37 billion years old, with a mass of 1.14 solar masses and a radius of 1.29 solar radii. Its temperature is 5900 K, hotter than the Sun's.
The planet, Kepler-639 b, is classified as a Super-Earth and was discovered in 2016 by the transit method. It completes an orbit in 10.2 days and has a radius of 2.38 Earth radii.
Provenance
Underlying measurements and references
Evidence Summary
Rows
14
Stellar refs
14
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5889 | — | 1.04 | — | — | — | 850.2 | Q1-Q6 KOI Table | TICv8 |
| 5896 | 1.14 | 1.29 | 4.37 | — | — | 850.2 | Morton et al. 2016 | TICv8 |
| 5843 | 1.15 | 1.33 | — | — | — | 850.2 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5850 | 0.98 | 1.19 | — | — | — | 850.2 | Q1-Q17 DR24 KOI Table | TICv8 |
| 6148 | 1.07 | 1.06 | 2.50 | — | — | 850.2 | Q1-Q8 KOI Table | TICv8 |
| 5798.7 | 1.04 | 1.73 | — | 0.48 | — | 850.2 | TICv8 | TICv8 |
| 5834 | — | 1.63 | — | — | — | 850.2 | Berger et al. 2018 | TICv8 |
| — | — | — | — | — | — | 850.2 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5889 | — | 1.04 | — | — | — | 850.2 | Batalha et al. 2013 | TICv8 |
| 5850 | 0.98 | 1.19 | — | — | — | 850.2 | Q1-Q12 KOI Table | TICv8 |
| 5834 | 1.05 | 1.59 | 7.94 | — | — | 850.2 | Fulton & Petigura 2018 | TICv8 |
| 5889 | — | 1.08 | — | — | — | 850.2 | Latham et al. 2005 | TICv8 |
| 5850 | 0.98 | 1.19 | — | — | — | 850.2 | Q1-Q16 KOI Table | TICv8 |
| 5864.3 | — | 1.61 | — | 0.44 | — | 850.2 | Gaia DR2 | TICv8 |