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JWST TRAPPIST-1 e/b Program: Motivation and First Observations

  • Authors: Natalie H. Allen, Néstor Espinoza, V. A. Boehm, Caleb I. Cañas, Kevin B. Stevenson, Nikole K. Lewis, Ryan J. MacDonald, Brett M. Morris, Eric Agol, Knicole Colón, Hannah Diamond-Lowe, Ana Glidden, Amélie Gressier, Jingcheng Huang, Zifan Lin, Douglas Long, Dana R. Louie, Meredith A. MacGregor, Laurent Pueyo, Benjamin V. Rackham, Sukrit Ranjan, Sara Seager, Guadalupe Tovar Mendoza, Jeff A. Valenti, Daniel Valentine, Roeland P. van der Marel, Hannah R. Wakeford

Natalie H. Allen et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 2.

The posterior distributions associated with the 15 close transit retrievals for each of the 10 noise instances shown in Figure 1. We confidently detect CO2 in all noise instances, and sometimes are able to detect CH4 as well, while we do not detect (and therefore do not rely on detecting) H2O.

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