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HIP 54373 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 54373 b

Confirmed exoplanet · Neptune Like

HIP 54373 b

Orbiting HIP 54373

Discovered in 2019 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 HIP 54373 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Radial Velocity
Radius: 2.87 R⊕
Mass: 8.62 M⊕
Orbit: 7.76 days
Distance: 18.7168 pc

Planet profile

Orbit and physical properties

Orbital period: 7.76 days
Semi-major axis: 0.063 AU
Eccentricity: 0.2
Radius: 2.87 Earth radii
Mass: 8.62 Earth masses
Mass provenance: Msini
Density: 2 g/cm³
Equilibrium temperature: 580.66 K
Insolation: 15.0984 Earth flux

Host system

Star and system properties

Host star: HIP 54373
Stars in system: 1
Known planets in system: 2
Spectral type: K5 V
Stellar temperature: 4,021 K
Stellar radius: 0.564998 R☉
Stellar mass: 0.57 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 18.7168 parsecs
Right ascension: 11h07m27.44s
Declination: -19d17m30.07s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,019
Publication date: 2019-06
Discovery locale: Ground
Facility: Las Campanas Observatory
Telescope: 6.5 m Magellan II Clay Telescope
Instrument: Carnegie Planet Finder Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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