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KRONOS I: The 1–2.8 μm JWST Transmission Spectrum of the 23 Myr V1298 Tau c

  • Authors: Matthew M. Murphy, Matthew C. Nixon, Adina D. Feinstein, Luis Welbanks, Girish M. Duvvuri, Saugata Barat, Benjamin V. Rackham, Darryl Z. Seligman, Michael Radica, Ian J. M. Crossfield, Kevin France, John H. Livingston, Jonathan Lunine, Rafael Luque, Catriona Murray, Sagnick Mukherjee, Biruk Nardos, Sydney Petz, Hinna Shivkumar

Matthew M. Murphy et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 5.

Our fiducial transmission spectrum of V1298 Tau c (black points) compared to the median retrieved models with (blue line) and without (orange line) enforcing informed stellar heterogeneity priors, each binned down to R = 100. The 1σ, 2σ, and 3σ model uncertainties are illustrated by the colored shaded regions. We achieve excellent fits to the observed spectrum, which are largely insensitive to the exact stellar heterogeneity parameters.

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