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BD+20 2457 c

Host star BD+20 2457 • 622.0 d orbit

Records

1

archive rows

Discovery

2009

Radial Velocity

Radius

—

default parameter set

Mass

3963.2 M⊕

default parameter set

BD+20 2457

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: Niedzielski et al. 2009

Host Star

BD+20 2457

Stable across source rows

BD+20 2457

Discovery Method

Radial Velocity

Consistent across records

Radial Velocity (1)

Discovery Year

2009

Stable across source rows

2009

Orbital Period

622.0 day

single adopted value

1 values • 1 distinct

Semi-Major Axis

2.01 au

single adopted value

1 values • 1 distinct

Mass

3963.2 Mearth

single adopted value

1 values • 1 distinct

Provenance

Underlying measurements and references

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Evidence Summary

Rows

1

Refs

1

Methods

1

Discoverystable

1 values • 1 distinct

Facilitystable

1 values • 1 distinct

Periodstable

1 values • 1 distinct

Massstable

1 values • 1 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2009Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope622.0 day—3963.2 Mearth—Niedzielski et al. 2009