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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 190647 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 190647 b

Confirmed exoplanet · Gas Giant

HD 190647 b

Orbiting HD 190647

Discovered in 2007 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 190647 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 630.89255 M⊕
Orbit: 1,176.45 days
Distance: 54.4738 pc

Planet profile

Orbit and physical properties

Orbital period: 1,176.45 days
Semi-major axis: 2.231 AU
Eccentricity: 0.224
Radius: 13.4 Earth radii
Mass: 630.89255 Earth masses
Mass provenance: Msini
Density: 1.44 g/cm³
Equilibrium temperature: 214.19 K
Insolation: 0.3978 Earth flux

Host system

Star and system properties

Host star: HD 190647
Stars in system: 1
Known planets in system: 1
Spectral type: G5 V
Stellar temperature: 5,656 K
Stellar radius: 1.376 R☉
Stellar mass: 1.069 M☉
Stellar metallicity: 0.23 dex
Stellar age: 7.957 Gyr
Distance: 54.4738 parsecs
Right ascension: 20h07m19.64s
Declination: -35d32m22.28s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2007-08
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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