Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 2638 b
Host star HD 2638 • 3.44 d orbit
Records
3
archive rows
Discovery
2005
Radial Velocity
Radius
—
default parameter set
Mass
133.5 M⊕
default parameter set
HD 2638
temperature unconstrained
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: Stassun et al. 2017
Host Star
HD 2638
Stable across source rows
Discovery Year
2005
Stable across source rows
Orbital Period
3.44 day
3.44 to 3.46
Semi-Major Axis
0.04 au
0.04 to 0.04
Mass
133.5 Mearth
133.5 to 158.9
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 3.44 day | — | 152.6 Mearth | — | Moutou et al. 2005 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 3.46 day | — | 158.9 Mearth | — | Paredes et al. 2021 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 3.44 day | — | 133.5 Mearth | — | Stassun et al. 2017 |