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Exoplanet data from the NASA Exoplanet Archive. Images of exoplanets are illustrations computed from the data, not photographs. Maps of the solar system: Solar System Scope. Sky panorama: ESO/S. Brunier. Both under CC BY 4.0, scaled down.

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HAT-P-9 · ExoAtlas

HAT-P-9

Star 1,485 light-years from the Sun with one known planet

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Planet

HAT-P-9 bGas giant, scorching

Star

Spectral type: F7
Temperature: 6,350 K
Radius: 1.34 × Sun
Mass: 1.28 × Sun
Brightness seen from Earth: 12.3 mag
Distance: 1,485 ly (455 pc)

Brightness is given in magnitudes: the smaller the number, the brighter the star. The faintest stars visible to the naked eye are around 6 mag.

Position

Right ascension: 110.1685°
Declination: 37.1406°
Catalogue names: Gaia DR3 898130030131443584