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JWST MEP - A World Under Spotty Starlight: Detection of CO2 and H2O in the Hot Saturn WASP-52b with JWST NIRSpec G395H - Supplementary Material

  • Yanbo Pan (Creator)
  • Ryan MacDonald (Creator)
  • Néstor Espinoza Perez (Creator)
  • Bibiana Prinoth (Creator)
  • Zafar Rustamkulov (Creator)
  • Luis Welbanks (Creator)
  • Daniel Kitzmann (Creator)
  • Nicolas Crouzet (Creator)
  • Anna Lueber (Creator)
  • Diana Powell (Creator)
  • Eva-Maria Ahrer (Creator)
  • Adam J. Burgasser (Creator)
  • Duncan Christie (Creator)
  • Wolf Cukier (Creator)
  • Carlos Gascón (Creator)
  • Måns Holmberg (Creator)
  • Thomas Kennedy (Creator)
  • Mercedes Lopez-Morales (Creator)
  • Nathan Mayne (Creator)
  • Dominic Samra (University of Chicago) (Creator)
  • Arjun Savel (Creator)
  • Maria Steinrueck (Creator)
  • Christopher Wirth (Creator)

Dataset

Description

Supplementary material for 'JWST MEP - A World Under Spotty Starlight: Detection of CO2 and H2O in the Hot Saturn WASP-52b with JWST NIRSpec G395H.' by Pan et al., AJ (2026).

This repository contains two types of supplementary material:

Corner plots from the atmospheric retrievals: (1) 'POSEIDON_one_spot_corner_overplot.pdf ' (with stellar contamination) and (2) 'POSEIDON_no_spot_corner_overplot.pdf'.  These corner plots correspond to the models in Table 3 of Pan et al. 2026.

The dataset file ('data_behind_figures.csv') contains the reduced transmission spectra of the exoplanet WASP-52b (as shown in Figure 2 of Pan et al. 2026), including data from three independent reduction pipelines (FIREFly, Default JWST, and transitspectroscopy) and Spitzer/IRAC photometry. The structure of the dataset file is described below:

For any additional data requests or questions, please contact: [email protected]
Date made availableMar 2026
PublisherZenodo

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