New Super-Earth Discovered: TOI-1846 b

TOI-1846 b was found by astronomers under the direction of Abderahmane Soubkiou using ground-based observations and NASA's TESS satellite

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About 154 light-years away from Earth, TOI-1846 b circles a red dwarf star

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The planet is 4.4 times more massive and nearly twice as large as Earth (1.79 Earth radii)

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With an equilibrium temperature of about 568 K (295°C), it is extremely hot and completes an orbit every 3.93 days

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TOI-1846 b is probably rich in water, based on its size and density, indicating a super-Earth that is rich in water

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Analysis of the atmosphere is challenging because its Transmission Spectroscopy Metric (TSM) is 47, which is less than the optimal 90

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The planet is in a stable environment thanks to the host, a red dwarf that is 7.2 billion years old and roughly 0.42 times the mass of the Sun

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TOI-1846 b provides important information about the evolution of rocky, water-rich exoplanets, despite being too hot for life

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To confirm TOI-1846 b's water-rich nature and discover more about far-off worlds, astronomers are organising additional observations to solve its mysteries

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