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From the 2 of 5 linked papers with an AI index.

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5 papers

astro-ph.EP2026

The JWST weather report: Unravelling the atmospheric variability of isolated worlds using principal component analysis

Merle A. Schrader, Johanna M. Vos, Evert Nasedkin +17

The paper uses principal component analysis on JWST/NIRSpec time‑series spectra of the brown dwarf SIMP‑0136 to identify two dominant patterns of variability, linking them to tempe…

astro-ph.EP2026

On the Detectability of Volcanic Exo-Ios That May Fuel Auroras on Super-Jupiters

Brooke Kotten, Mary Anne Limbach, Johanna M. Vos +12

The paper evaluates whether JWST transit observations can detect volcanic exomoons around aurorally active super‑Jupiters, demonstrating feasibility for moons with mass ratios simi…

astro-ph.IM2026

Building a Roadmap for Hubble Science into the 2030s: Revealing Atmospheric Structure and Evolution in Substellar Worlds Using HST

Allison M. McCarthy, Merle A. Schrader, Johanna M. Vos +15

Substellar objects occupy a unique place in our universe, bridging the gap between the smallest stars and the largest planets, and serving as powerful laboratories for understandin…

astro-ph.EP2026

Disentangling auroral, cloud and magnetic spot driven variability in three early L-dwarfs with HST/WFC3

C. O'Toole, J. M. Vos, E. N. Nasedkin +5

Variability monitoring provides an unparalleled insight into the atmospheric processes of brown dwarfs and directly imaged exo-planets. Inhomogeneous clouds, aurorae and magnetic s…

astro-ph.EP2025

The JWST Weather Report: retrieving temperature variations, auroral heating, and static cloud coverage on SIMP-0136

Evert Nasedkin, Merle Schrader, Johanna M. Vos +15

SIMP-0136 is a T2.5 brown dwarf whose young age (~Myr) and low mass (~M) make it an ideal analogue for the directly imaged exoplanet population. With…