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Atmospheric Reconnaissance of TRAPPIST-1 f with JWST NIRISS SOSS: No Evidence for the Transit Light Source Effect

  • Authors: Olivia Lim, René Doyon, Ryan J. MacDonald, Étienne Artigau, Michael Radica, Mykhaylo Plotnykov, Alexandrine L'Heureux, Caroline Piaulet-Ghorayeb, Louis-Philippe Coulombe, David Lafrenière, Thomas J. Fauchez, Martin Turbet, Diana Valencia, Loïc Albert, Laura Flagg, Björn Benneke, Neil J. Cook, Pierre-Alexis Roy, Lisa Kaltenegger, Charles Cadieux, Nicolas B. Cowan, Michaël Gillon, Romain Allart, Lisa Dang, Doug Johnstone, Stefan Pelletier, Jared Splinter, Jake Taylor

Olivia Lim et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure B1.

Limb-darkening coefficients (LDCs) q1 (top) and q2 (bottom) computed by taking the per-bin error-weighted average of all existing TRAPPIST-1 observations with JWST/NIRISS/SOSS (TRAPPIST-1 b and c from O. Lim et al. 2023; M. Radica et al. 2024a, respectively, and TRAPPIST-1 f from this work). Black error bars show the standard error on the weighted averages while blue bars show the standard deviation across observations.

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