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Worlds Next Door. III. Indirect Evidence for Enhanced Atmospheric Metallicity and/or the Presence of Water Clouds in the Nearest Jupiter-analog ϵ Eri b

  • Authors: Aniket Sanghi, James Mang, Jorge Llop-Sayson, Eric E. Mamajek, William Thompson, Ankan Sur, Charles Beichman, Geoffrey Bryden, András Gáspár, Jarron Leisenring, Dimitri Mawet, Caroline V. Morley, Jean-Baptiste Ruffio, Schuyler G. Wolff, Marie Ygouf

Aniket Sanghi et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 7.

Consistency of Sonora Flame Skimmer cloud-free atmospheric models with NIRCam 5σ upper limit. Each column considers models at a different temperature (150 K, 175 K, 200 K). The top row of models corresponds to a puffy Jupiter scenario (g = 17 m s−2) and the bottom row of models corresponds to a Jupiter-like scenario (g = 31 m s−2). A red “×” indicates the model (with given [M/H] and log Kzz, where we note that log Kzz = 0 dex corresponds to a chemical equilibrium model for notational convenience) is inconsistent with (brighter than) the NIRCam 5σ upper limit. A green “✓” indicates the model is consistent with (fainter than) the NIRCam upper limit.

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