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A JWST Transiting Survey of FGK Stellar Limb Darkening: Empirical Evidence for Quadratic Laws and Atmospheric Model Comparisons

  • Authors: David K. Sing, Joshua D. Lothringer, Jeff A. Valenti, Natalie H. Allen, Katherine A. Bennett, Carlos Gascón, Mei Ting Mak, Patrick McCreery, Sagnick Mukherjee, Lakeisha M. Ramos Rosado, Stephen P. Schmidt, Kevin B. Stevenson, Daniel P. Thorngren, Le-Chris Wang

David K. Sing et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 12.

Model performance comparison as a function of stellar effective temperature, using ﹩{\mu }_{{\rm{\min }}}=0.2﹩. Top: ﹩{\chi }_{\nu }^{2}﹩ without offsets applied, showing the raw model performance. Bottom: ﹩{\chi }_{\nu }^{2}﹩ with gray offsets applied, demonstrating that all models can achieve acceptable fits (﹩{\chi }_{\nu }^{2}\lesssim 1.1﹩, dotted–dashed lines) when offsets are included. Note that the top panel has a different y-range and is plotted on a log scale compared to the bottom panel, which is on a linear scale.

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