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HD 189567 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 189567 b

Confirmed exoplanet · Neptune Like

HD 189567 b

Orbiting HD 189567

Discovered in 2021 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of HD 189567 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 2.85 R⊕
Mass: 8.5 M⊕
Orbit: 14.288 days
Distance: 17.9055 pc

Planet profile

Orbit and physical properties

Orbital period: 14.288 days
Semi-major axis: 0.111 AU
Eccentricity: 0.189
Radius: 2.85 Earth radii
Mass: 8.5 Earth masses
Mass provenance: Msini
Density: 2.02 g/cm³
Equilibrium temperature: 845.16 K
Insolation: 171.2523 Earth flux

Host system

Star and system properties

Host star: HD 189567
Stars in system: 1
Known planets in system: 2
Spectral type: G3 V
Stellar temperature: 5,726 K
Stellar radius: 1.04 R☉
Stellar mass: 0.83 M☉
Stellar metallicity: -0.24 dex
Stellar age: 11 Gyr
Distance: 17.9055 parsecs
Right ascension: 20h05m35.03s
Declination: -67d19m25.68s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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