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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-4 · ExoAtlas

HAT-P-4

Star 1,045 light-years from the Sun with one known planet

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Planet

HAT-P-4 bGas giant, scorching

Star

Spectral type: F
Temperature: 5,860 K
Radius: 1.6 × Sun
Mass: 1.25 × Sun
Brightness seen from Earth: 11.1 mag
Distance: 1,045 ly (320 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: 229.9912°
Declination: 36.2295°
Catalogue names: Gaia DR3 1291120362349158016