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Transit · 2021

HATS-74 A b

This world receives 107× the starlight Earth does; a year lasts 1.73 days; the light you see left it 976 years ago.

Opens the PlanetHunt visor at this world · WebGL
Size
1 × Jupiter 
A year
1.73 days0.0238 AU
Temperature
622 °C895 K

About this world

HATS-74 A b is a gas giant orbiting HATS-74 A, a cool red dwarf 976 light-years from Earth. It is about 1 times the size of Jupiter and holds 1.5 Jupiter masses. It completes an orbit every 1.73 days at 0.024 AU from its star, closer than Mercury is to the Sun.

Its equilibrium temperature is about 895 K (622 °C): far too hot for liquid water on its surface. At its size it almost certainly keeps a deep envelope of hydrogen and helium.

It was discovered in 2021 by transit with HATSouth. A planet crosses its star and dims it by a tiny, periodic fraction.

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