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HD 39194 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 39194 d

Confirmed exoplanet · Super Earth

HD 39194 d

Orbiting HD 39194

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

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of HD 39194 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 2.12 R⊕
Mass: 5.16 M⊕
Orbit: 33.874 days
Distance: 26.4131 pc

Planet profile

Orbit and physical properties

Orbital period: 33.874 days
Semi-major axis: 0.1949 AU
Eccentricity: 0.159
Radius: 2.12 Earth radii
Mass: 5.16 Earth masses
Mass provenance: Msini
Density: 2.98 g/cm³
Equilibrium temperature: 503.31 K
Insolation: 10.2669 Earth flux

Host system

Star and system properties

Host star: HD 39194
Stars in system: 1
Known planets in system: 3
Spectral type: K0 V
Stellar temperature: 5,205 K
Stellar radius: 0.783742 R☉
Stellar mass: 0.86 M☉
Stellar metallicity: -0.61 dex
Stellar age: 10 Gyr
Distance: 26.4131 parsecs
Right ascension: 05h44m30.98s
Declination: -70d08m17.66s

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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