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XO-4 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/XO-4 b

Confirmed exoplanet · Gas Giant

XO-4 b

Orbiting XO-4

Discovered in 2010 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 XO-4 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Transit
Radius: 14.01125 R⊕
Mass: 451.3186 M⊕
Orbit: 4.12508 days
Distance: 272.655 pc

Planet profile

Orbit and physical properties

Orbital period: 4.12508 days
Semi-major axis: 0.05524 AU
Eccentricity: 0
Radius: 14.01125 Earth radii
Mass: 451.3186 Earth masses
Mass provenance: Mass
Density: 0.83 g/cm³
Equilibrium temperature: 1,630 K
Insolation: 1,112.27 Earth flux

Host system

Star and system properties

Host star: XO-4
Stars in system: 1
Known planets in system: 1
Spectral type: F5 V
Stellar temperature: 6,397 K
Stellar radius: 1.45 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: -0.04 dex
Stellar age: 2.1 Gyr
Distance: 272.655 parsecs
Right ascension: 07h21m33.13s
Declination: +58d16m05.19s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,010
Publication date: 2010-11
Discovery locale: Ground
Facility: Lowell Observatory
Telescope: Perkins 1.8 m Telescope
Instrument: PRISM CCD
NASA Exoplanet Archive: Open composite record ↗

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