Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
GJ 414 A c
Host star GJ 414 A • 8.40 R⊕ • 749.8 d orbit
Records
2
archive rows
Discovery
2021
Radial Velocity
Radius
8.40 R⊕
default parameter set
Mass
53.83 M⊕
default parameter set
GJ 414 A
124.7 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: Dedrick et al. 2021
Host Star
GJ 414 A
Stable across source rows
Discovery Year
2021
Stable across source rows
Orbital Period
749.8 day
744.7 to 749.8
Semi-Major Axis
1.40 au
1.40 to 1.42
Radius
8.40 Rearth
single adopted value
Mass
53.83 Mearth
53.83 to 58.48
Equilibrium Temperature
124.7 K
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 8.40 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
GJ 414 A c
8.40 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusstable
Massdisputed
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2021 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 749.8 day | 8.40 Rearth | 53.83 Mearth | 124.7 K | Dedrick et al. 2021 |
| 2021 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 744.7 day | — | 58.48 Mearth | — | Rosenthal et al. 2021 |