description WASP-19b Overview
WASP-19b is a hot Jupiter exoplanet with one of the shortest known orbital periods of any exoplanet, completing an orbit around its G-type host star in approximately 0.789 days, or roughly 19 hours. It was discovered by the Wide Angle Search for Planets (WASP) survey and its discovery was published in 2010. The planet's extreme proximity to its star produces high atmospheric temperatures and has made it a target for transmission spectroscopy observations. Its close orbit is subject to strong tidal interactions with the host star.
help WASP-19b FAQ
How long is one year on WASP-19b?
WASP-19b completes an orbit in approximately 0.789 Earth days, or about 19 hours. That makes it a hot Jupiter with one of the shortest known orbital periods.
What is WASP-19b?
WASP-19b is a gas giant exoplanet orbiting a G-type star. Its very close orbit exposes it to intense stellar heating.
How was WASP-19b discovered?
The Wide Angle Search for Planets, known as WASP, found it through the transit method. Follow-up observations measured the planet's orbit and physical properties.
Why is WASP-19b called a hot Jupiter?
It is a Jupiter-like gas giant that orbits extremely close to its host star. The short 0.789-day orbit means its atmosphere is heated to very high temperatures.
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