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HD 9174 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 9174 b

Confirmed exoplanet · Gas Giant

HD 9174 b

Orbiting HD 9174

Discovered in 2016 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 9174 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 352.7913 M⊕
Orbit: 1,179 days
Distance: 81.4893 pc

Planet profile

Orbit and physical properties

Orbital period: 1,179 days
Semi-major axis: 2.2 AU
Eccentricity: 0.12
Radius: 13.7 Earth radii
Mass: 352.7913 Earth masses
Mass provenance: Msini
Density: 0.754 g/cm³
Equilibrium temperature: 234.3 K
Insolation: 0.4979 Earth flux

Host system

Star and system properties

Host star: HD 9174
Stars in system: 1
Known planets in system: 1
Spectral type: G8 IV
Stellar temperature: 5,577 K
Stellar radius: 1.67 R☉
Stellar mass: 1.03 M☉
Stellar metallicity: 0.39 dex
Stellar age: 9 Gyr
Distance: 81.4893 parsecs
Right ascension: 01h30m01.04s
Declination: -19d36m19.06s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2017-04
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 9174 b.

Generic gas giant catalog artwork; not a direct image of HD 9174 b — Apex Andromeda catalog artwork