Quoted from Live Science, Sunday (12/05/2021) this newly discovered exoplanet belongs to the hot Jupiter category. Although astronomers have identified more than 400 hot Jupiters to date, none are quite like the planet TOI-2109b.
“Everything was consistent it was a planet, and we realized we had something very interesting and relatively rare,” said Avi Shporer, an exoplanet scientist at the Massachusetts Institute of Technology (MIT).
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Shporer and his colleagues made their findings included in data collected by NASA’s Transiting Exoplanet Survey Satellite (TESS), which has been orbiting Earth since April 2018.
TESS improved its ability to find planet which orbits its star very quickly because telescopes usually monitor a swath of the sky for about a month before moving.
In the case of TOI-2109b, the planet orbits every 16 hours, faster than other planetary scientists have found. The planet’s star is located about 855 light-years from Earth in the constellation Hercules. After seeing the signal, they used another telescope to examine a star called TOI-2109.
“From the beginning of exoplanetary science, hot Jupiters have been seen as strange objects. How a planet the size of Jupiter reaches an orbit that lasts only a few days. We see this as an opportunity to study them and help explain their existence,” he said.
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