JWST NIRISS/SOSS analysis of HAT-P-18 b with a photospheric model and TACHELES

photosphere.csv and TACHELES.csv: Best-fit parameters for the photospheric (Mandel-Agol) and TACHELES fits of the unbinned light curves.

*_results.txt and *_spectrum_retrieved.txt: POSEIDON output files and best-fit spectra for photospheric and TACHELES models for each of the three stellar heterogeneity setups (no spot, single spot, two heterogeneities)

*.pdf: Corner plots for all POSEIDON fits

chromspec.csv: Chromospheric spectrum