Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 8574 b
Host star HD 8574 • 227 d orbit
Records
4
archive rows
Discovery
2002
Radial Velocity
Radius
—
default parameter set
Mass
645.2 M⊕
default parameter set
HD 8574
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 8574
Stable across source rows
Discovery Year
2002
Stable across source rows
Orbital Period
227 day
227 to 227.6
Semi-Major Axis
0.76 au
0.75 to 0.77
Mass
645.2 Mearth
561.3 to 670.6
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 |
|---|---|---|---|---|---|---|---|---|
| 2002 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 227 day | — | 645.2 Mearth | — | Stassun et al. 2017 |
| 2002 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 227 day | — | 572.1 Mearth | — | Wittenmyer et al. 2009 |
| 2002 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 227.0 day | — | 561.3 Mearth | — | Rosenthal et al. 2021 |
| 2002 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 227.6 day | — | 670.6 Mearth | — | Perrier et al. 2003 |