Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 33844 b
Host star HD 33844 • 551.4 d orbit
Records
4
archive rows
Discovery
2015
Radial Velocity
Radius
—
default parameter set
Mass
638.8 M⊕
default parameter set
HD 33844
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 33844
Stable across source rows
Discovery Year
2015
Stable across source rows
Orbital Period
551.4 day
551.4 to 551.7
Semi-Major Axis
1.60 au
1.50 to 1.60
Mass
638.8 Mearth
548.4 to 1497.0
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2015 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 551.4 day | — | 622.9 Mearth | — | Wittenmyer et al. 2016 |
| 2015 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | — | — | 548.4 Mearth | — | Lin et al. 2024 |
| 2015 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 551.4 day | — | 638.8 Mearth | — | Stassun et al. 2017 |
| 2015 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 551.7 day | — | 1497.0 Mearth | — | Jenkins et al. 2025 |