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Atmospheric Reconnaissance of TRAPPIST-1 f with JWST NIRISS SOSS: No Evidence for the Transit Light Source Effect
Olivia Lim, René Doyon, Ryan J. MacDonald +25
In just over three years of operation, JWST has observed all seven planets of the TRAPPIST-1 system. The two innermost planets were found to have little to no atmosphere, barring t…
High-Resolution Dayside Spectroscopy of the Ultra-Hot Jupiter WASP-178b with GHOST/Gemini South
Caitlin E. Bell, Emily K. Deibert, Adam B. Langeveld +4
The study presents high‑resolution optical dayside emission spectroscopy of the ultra‑hot Jupiter WASP‑178b using Gemini South, detecting neutral iron emission that confirms a ther…
Accretion Properties of the Young Brown Dwarf 2MASS J08440915-7833457
Toni V. Panzera, Laura S. Flagg, Margaret A. Mueller +2
We present HST-COS FUV and -STIS optical observations towards the young accreting brown dwarf 2MASS-J08440915-7833457 (J0844) from the ULLYSES DDT Program. We analyse hot FUV lines…