Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 195019 b
Host star HD 195019 • 18.20 d orbit
Records
7
archive rows
Discovery
1998
Radial Velocity
Radius
—
default parameter set
Mass
1265.0 M⊕
default parameter set
HD 195019
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 195019
Stable across source rows
Discovery Year
1998
Stable across source rows
Orbital Period
18.20 day
18.20 to 18.27
Semi-Major Axis
0.14 au
0.13 to 0.14
Mass
1265.0 Mearth
1102.8 to 1265.0
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1166.4 Mearth | — | Wittenmyer et al. 2007 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1265.0 Mearth | — | Stassun et al. 2017 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1161.7 Mearth | — | Rosenthal et al. 2021 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1172.7 Mearth | — | Butler et al. 2006 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1175.9 Mearth | — | Wright et al. 2007 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.20 day | — | 1102.8 Mearth | — | Vogt et al. 2000 |
| 1998 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 18.27 day | — | 1115.5 Mearth | — | Fischer et al. 1999 |