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Separating Flare and Secondary Atmospheric Signals with RADYN Modeling of Near-infrared JWST Transmission Spectroscopy Observations of TRAPPIST-1

  • Authors: Ward S. Howard, Adam F. Kowalski, Michael Radica, Laura Flagg, Valeriy Vasilyev, Benjamin V. Rackham, Guadalupe Tovar Mendoza, Meredith A. MacGregor, Alexander I. Shapiro, Jake Taylor, Louis-Philippe Coulombe, Olivia Lim, David Lafrenière

Ward S. Howard et al 2025 The Astrophysical Journal Letters 994 .

  • Provider: AAS Journals

Caption: Figure 1.

Top: the wavelength-integrated (0.6–2.83 μm) transit-normalized flare light curves of our sample. The flare temperatures of the integrations used for model validation and mitigation are scaled by color. Bottom left: fiducial Teff flare spectra are computed from similar-temperature integrations. Best-fitting blackbody curves are shown with the dashed gray lines. Bottom right: quiescent features appear in the residual spectra after subtracting the best-fit blackbody curves.

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