Discovery
Radial Velocity
Host star BD+20 2457 • 622.0 d orbit
Records
1
archive rows
Discovery
—
Radial Velocity
Radius
—
median non-null value
Mass
3963.2 M⊕
median non-null value
BD+20 2457
temperature unconstrained
Quick Summary
This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.
Provenance
Evidence Summary
Rows
1
Refs
1
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2009 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 622.0 day | — | 3963.2 Mearth | — | Niedzielski et al. 2009 |