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TOI-1259 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1259 A b

Confirmed exoplanet · Gas Giant

TOI-1259 A b

Orbiting TOI-1259 A

Discovered in 2021 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 TOI-1259 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 11.6 R⊕
Mass: 141 M⊕
Orbit: 3.477979 days
Distance: 118.106 pc

Planet profile

Orbit and physical properties

Orbital period: 3.477979 days
Semi-major axis: 0.0408 AU
Eccentricity: 0
Radius: 11.6 Earth radii
Mass: 141 Earth masses
Mass provenance: Mass
Density: 0.49 g/cm³
Equilibrium temperature: 963 K
Insolation: 153.1389 Earth flux

Host system

Star and system properties

Host star: TOI-1259 A
Stars in system: 2
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,775 K
Stellar radius: 0.715 R☉
Stellar mass: 0.746 M☉
Stellar metallicity: -0.5 dex
Stellar age: 4.8 Gyr
Distance: 118.106 parsecs
Right ascension: 18h48m24.04s
Declination: +79d15m23.31s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2021-11
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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