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HD 34445 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 34445 b

Confirmed exoplanet · Gas Giant

HD 34445 b

Orbiting HD 34445

Discovered in 2009 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 34445 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 260.6206 M⊕
Orbit: 1,049 days
Distance: 46.0907 pc

Planet profile

Orbit and physical properties

Orbital period: 1,049 days
Semi-major axis: 2.07 AU
Eccentricity: 0.27
Radius: 13.9 Earth radii
Mass: 260.6206 Earth masses
Mass provenance: Msini
Density: 0.533 g/cm³
Equilibrium temperature: 231.47 K
Insolation: 0.4691 Earth flux

Host system

Star and system properties

Host star: HD 34445
Stars in system: 1
Known planets in system: 6
Spectral type: G0 V
Stellar temperature: 5,879 K
Stellar radius: 1.38 R☉
Stellar mass: 1.14 M☉
Stellar metallicity: 0.18 dex
Stellar age: 8.5 Gyr
Distance: 46.0907 parsecs
Right ascension: 05h17m40.98s
Declination: +07d21m09.78s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-10
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 34445 b.

Generic gas giant catalog artwork; not a direct image of HD 34445 b — Apex Andromeda catalog artwork