Detection of New Auroral Emissions at Io and Implications for Its Interaction with the Plasma Torus

Detection of New Auroral Emissions at Io and Implications for Its Interaction with the Plasma Torus

We observed Io’s optical aurora in eclipse on six nights between 2022 and 2024 using Keck I/HIRES. Spectra revealed 13 new auroral emissions not identified previously, tripling the total number of optical emissions lines detected at Io. These included the O i lines at 777.4 and 844.6 nm, the Na i li...

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Bibliographic Details
Main Authors: Zachariah Milby, Katherine de Kleer, Carl Schmidt
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Planetary Science Journal
Subjects:
Aurorae
Io
Natural satellite atmospheres
Optical astronomy
Online Access:https://doi.org/10.3847/PSJ/ade0b1
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