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HD 195019 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 195019 b

Confirmed exoplanet · Gas Giant

HD 195019 b

Orbiting HD 195019

Discovered in 1998 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 195019 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,998
Method: Radial Velocity
Radius: 13 R⊕
Mass: 1,264.9634 M⊕
Orbit: 18.20132 days
Distance: 37.6681 pc

Planet profile

Orbit and physical properties

Orbital period: 18.20132 days
Semi-major axis: 0.14 AU
Eccentricity: 0.01
Radius: 13 Earth radii
Mass: 1,264.9634 Earth masses
Mass provenance: Msini
Density: 3.16 g/cm³
Equilibrium temperature: 901.66 K
Insolation: 109.862 Earth flux

Host system

Star and system properties

Host star: HD 195019
Stars in system: 2
Known planets in system: 1
Spectral type: G3 IV-V
Stellar temperature: 5,751 K
Stellar radius: 1.48 R☉
Stellar mass: 1.21 M☉
Stellar metallicity: 0.05 dex
Stellar age: 3.2 Gyr
Distance: 37.6681 parsecs
Right ascension: 20h28m19.02s
Declination: +18d46m09.30s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 1,998
Publication date: 1999-01
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 3.0 m C. Donald Shane Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 195019 b.

Generic gas giant catalog artwork; not a direct image of HD 195019 b — Apex Andromeda catalog artwork