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The Transmission Spectrum of the Potentially Rocky Planet L 98-59 c

  • Authors: Thomas Barclay, Kyle B. Sheppard, Natasha Latouf, Avi M. Mandell, Elisa V. Quintana, Emily A. Gilbert, Giuliano Liuzzi, Geronimo L. Villanueva, Giada Arney, Jonathan Brande, Knicole D. Colón, Giovanni Covone, Ian J. M. Crossfield, Mario Damiano, Shawn D. Domagal-Goldman, Thomas J. Fauchez, Stefano Fiscale, Francesco Gallo, Christina L. Hedges, Renyu Hu, Edwin S. Kite, Daniel Koll, Ravi K. Kopparapu, Veselin B. Kostov, Laura Kreidberg, Eric D. Lopez, James Mang, Caroline V. Morley, Fergal Mullally, Susan E. Mullally, Daria Pidhorodetska, Joshua E. Schlieder, Laura D. Vega, Allison Youngblood, Sebastian Zieba

Thomas Barclay et al 2025 The Astronomical Journal 169 .

  • Provider: AAS Journals

Caption: Figure 8.

The heat maps above portray the results of a two-molecule atmosphere analysis in terms of VMR. All of the presented analyses have the molecular abundance of CO2 on the y-axis. In the top left we have CH4, in the top middle we have CO, in the top right we have H2O, in the lower left we have H2S, in the lower center is NH3, and in the lower right we have HCN. We retrieved for diameter at each abundance level, and calculated the ﹩{\chi }_{\mathrm{red}}^{2}﹩ to find the best-fit retrieval for diameter. The best-fitting models are found at 10−4 VMR, or 102 ppm, CO2 abundance and extremely low abundances, 10−6 or lower, for other modecules.

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