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HD 177830 b

Host star HD 177830 • 408.7 d orbit

Records

4

archive rows

Discovery

—

Radial Velocity

Radius

—

median non-null value

Mass

479.9 M⊕

median non-null value

HD 177830

temperature unconstrained

Quick Summary

Fast scan of the current planet profile

This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.

Host Star

HD 177830

Discovery

Radial Velocity

Year

1999

Period

410.1 day

Radius

—

Mass

537.1 Mearth

Eq. Temp

—

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Refs

4

Methods

1

Discoverystable

4 values • 1 distinct

Facilitystable

4 values • 1 distinct

Perioddisputed

4 values • 3 distinct

Massdisputed

4 values • 4 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
1999Radial VelocityW. M. Keck Observatory10 m Keck I Telescope410.1 day—537.1 Mearth—Stassun et al. 2017
1999Radial VelocityW. M. Keck Observatory10 m Keck I Telescope410.1 day—486.3 Mearth—Butler et al. 2006
1999Radial VelocityW. M. Keck Observatory10 m Keck I Telescope406.6 day—473.5 Mearth—Meschiari et al. 2011
1999Radial VelocityW. M. Keck Observatory10 m Keck I Telescope407.4 day—428.4 Mearth—Rosenthal et al. 2021