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First high-resolution atmosphere study released for hot Jupiter WASP-13b

Researchers used the GIARPS spectrograph at the TNG telescope, with findings posted 12 October 2026.

Luisa Marconi
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Astronomers study atmosphere of hot Jupiter WASP-13b
Astronomers study atmosphere of hot Jupiter WASP-13b AI illustrationhow this picture was made
LA PALMA, Spain, Oct. 13, 2026 - Astronomers have published the first high-resolution atmospheric investigation of the inflated hot Jupiter exoplanet WASP-13b.[1] The work used the GIARPS spectrograph at the TNG telescope. Findings were posted to the arXiv preprint server. Space Nugget. Hot Jupiters are gas giant exoplanets that orbit extremely close to their host stars. They inflate far beyond the diameter of Jupiter, and are one of the most commonly observed classes of exoplanet.
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  1. Researchers presented the first high-resolution atmospheric investigation of the inflated hot Jupiter WASP-13b using the GIARPS spectrograph at the TNG telescope. · arXiv.org
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