Discovery Method
Transit
Consistent across records
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ExoplanetDetail
KELT-4 A b
Host star KELT-4 A • 19.04 R⊕ • 2.99 d orbit
Records
5
archive rows
Discovery
2016
Transit
Radius
19.04 R⊕
default parameter set
Mass
286.7 M⊕
default parameter set
KELT-4 A
1823 K equilibrium
Canonical Summary
Adopted planet values from the default parameter set
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Eastman et al. 2016
Host Star
KELT-4 A
Stable across source rows
Discovery Year
2016
Stable across source rows
Orbital Period
2.99 day
2.99 to 2.99
Semi-Major Axis
0.04 au
single adopted value
Radius
19.04 Rearth
18.82 to 19.06
Mass
286.7 Mearth
286.0 to 286.7
Density
0.23 g/cm**3
single adopted value
Equilibrium Temperature
1823 K
1694.8 to 1823
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 19.04 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
KELT-4 A b
19.04 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2016 | Transit | KELT | Mamiya 645 80mm f/1.9 | 2.99 day | 19.04 Rearth | 286.7 Mearth | 1823 K | Eastman et al. 2016 |
| 2016 | Transit | KELT | Mamiya 645 80mm f/1.9 | 2.99 day | 18.82 Rearth | — | 1694.8 K | ExoFOP |
| 2016 | Transit | KELT | Mamiya 645 80mm f/1.9 | 2.99 day | — | — | — | Ivshina & Winn 2022 |
| 2016 | Transit | KELT | Mamiya 645 80mm f/1.9 | 2.99 day | 19.06 Rearth | 286.0 Mearth | — | Knudstrup et al. 2024 |
| 2016 | Transit | KELT | Mamiya 645 80mm f/1.9 | 2.99 day | — | — | — | Kokori et al. 2023 |