Scientists have dubbed the newly discovered world of TOI 5205b a “forbidden planet”. Why? It is the size of Jupiter and orbits a star four times its size. Observations made with the Transiting Exoplanet Survey Satellite (TESS) raise questions about what we know about gas giants.
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He is responsible for discovery A team of scientists from Carnegie Mellon University Under the supervision of Dr. Shubham Kanodia. Details about the new world are described in The Astronomical Journal.
The host star – TOI-5205 – is four times the size of Jupiter, yet it has somehow managed to create a planet the size of Jupiter, which is amazing!
Dr.. Shibham Kanodia
Forbidden planet
The exoplanet TOI 5205b orbits the red dwarf (M dwarf) TOI 5205, which is about 40 percent. The sun’s size, mass, and surface temperature are about 3127onC (compared to 5527onC from our star). This is normal because M dwarfs are usually half as cold as the Sun and redder due to their elongated size. Although exoplanets usually orbit around them, gas giants are rare.
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So far, no gas giant has been detected orbiting a low M dwarf star like TOI 5205. Scientists have compared TOI 5205b with a pea orbiting a lemon — in the case of Jupiter orbiting the Sun, a pea-and-grapefruit system would suffice. For this reason, TOI 5205b’s passage in front of the host star obscures about 7 percent. Its light is one of the largest known transits in history.
The existence of the planet disrupts current models of planet formation. In simpler words: stars are formed from giant clouds of gas and dust, and the matter left over from the process of star formation turns into a rotating disk from which planets are born.
The existence of TOI-5205b expands our understanding of the disks from which these planets are born. Initially, if there was not enough rocky material in the disk to form a primary core, a gas giant could not form. Finally, if the disk evaporates before a massive core is formed, a gas giant will not form. However, TOI-5205b was synthesized despite these protective barriers. Based on our current understanding of planetary formation, TOI-5205b should not exist.
Dr.. Shibham Kanodia
This anomaly cannot be explained yet. The exoplanet has already been targeted by the James Webb Space Telescope, which should be able to detect if TOI 5205b has an atmosphere and if there are more such planets in the universe. Fortunately, thanks to its deep transit, the exoplanet looks exceptionally rewarding to observe.
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