JWST-TST DREAMS: A Supersolar Metallicity in WASP-17 b’s Dayside Atmosphere from NIRISS SOSS Eclipse Spectroscopy

JWST-TST DREAMS: A Supersolar Metallicity in WASP-17 b’s Dayside Atmosphere from NIRISS SOSS Eclipse Spectroscopy

We present the first emission spectrum of the hot Jupiter WASP-17 b using one eclipse observation from the JWST Near Infrared Imager and Slitless Spectrograph (NIRISS) Single Object Slitless Spectroscopy (SOSS) mode. Covering a wavelength range of 0.6–2.8 μ m, our retrieval analysis reveals a strong...

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Bibliographic Details
Main Authors:	Amélie Gressier, Ryan J. MacDonald, Néstor Espinoza, Hannah R. Wakeford, Nikole K. Lewis, Jayesh Goyal, Dana R. Louie, Michael Radica, Natasha E. Batalha, Douglas Long, Erin M. May, Elijah Mullens, Sara Seager, Kevin B. Stevenson, Jeff A. Valenti, Lili Alderson, Natalie H. Allen, Caleb I. Cañas, Ryan C. Challener, Knicole Colón, Ana Glidden, David Grant, Jingcheng Huang, Zifan Lin, Daniel Valentine, C. Matt Mountain, Laurent Pueyo, Marshall D. Perrin, Roeland P. van der Marel
Format:	Article
Language:	English
Published:	IOP Publishing 2025-01-01
Series:	The Astronomical Journal
Subjects:	Exoplanet atmospheres Exoplanet atmospheric composition Transmission spectroscopy Hot Jupiters Astronomy data reduction
Online Access:	https://doi.org/10.3847/1538-3881/ad97bf
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