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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 7.

Detection rate of the 4.3 μm CO2 feature over 1000 noise realizations as a function of number of close transits of TRAPPIST-1 e and b, considering from 1 to 20 transits. We show curves corresponding to a 3σ and a 5σ detection of an atmosphere, which we are able to detect 90% and ∼60% of the time over the 1000 cases, respectively.

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