Discovery Method
Radial Velocity
Consistent across records
Host star HIP 57274 • 8.14 d orbit
Records
4
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
6.36 M⊕
default parameter set
HIP 57274
temperature unconstrained
Canonical Summary
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
HIP 57274
Stable across source rows
Discovery Method
Radial Velocity
Consistent across records
Discovery Year
2011
Stable across source rows
Orbital Period
8.14 day
8.13 to 8.14
Semi-Major Axis
0.07 au
single adopted value
Mass
6.36 Mearth
6.36 to 3359.4
Provenance
Evidence Summary
Rows
4
Refs
4
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 8.14 day | — | 11.60 Mearth | — | Fischer et al. 2012 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 8.14 day | — | 6.36 Mearth | — | Stassun et al. 2017 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 8.13 day | — | 3359.4 Mearth | — | Kiefer et al. 2021 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 8.14 day | — | 11.60 Mearth | — | Kammer et al. 2014 |