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NGTS-9 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/NGTS-9 b

Confirmed exoplanet · Gas Giant

NGTS-9 b

Orbiting NGTS-9

Discovered in 2019 using Transit. 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 NGTS-9 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 11.99363 R⊕
Mass: 921.707 M⊕
Orbit: 4.43527 days
Distance: 609.128 pc

Planet profile

Orbit and physical properties

Orbital period: 4.43527 days
Semi-major axis: 0.058 AU
Eccentricity: 0.06
Radius: 11.99363 Earth radii
Mass: 921.707 Earth masses
Mass provenance: Mass
Density: 2.93 g/cm³
Equilibrium temperature: 1,448 K
Insolation: 729 Earth flux

Host system

Star and system properties

Host star: NGTS-9
Stars in system: 1
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,330 K
Stellar radius: 1.38 R☉
Stellar mass: 1.34 M☉
Stellar metallicity: 0.31 dex
Stellar age: 0.96 Gyr
Distance: 609.128 parsecs
Right ascension: 09h27m40.95s
Declination: -19d20m51.53s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2020-01
Discovery locale: Ground
Facility: Next-Generation Transit Survey (NGTS)
Telescope: 20 cm NGTS telescope
Instrument: NGTS CCD array
NASA Exoplanet Archive: Open composite record ↗

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