NIFTY
May 12, 2026
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1 min read
NIFTY, Near-Infrared Fitting for T and Y Dwarfs, was designed to fit JWST NIRCam/MIRI photometry or NIRSpec prism spectroscopy of cold brown dwarf candidates with the LOWZ (Meisner et al. 2021), ATMO2020 (Phillips et al. 2020), Sonora Elf Owl v2 (Mukherjee et al. 2024, Wogan et al. 2025), or earlier Sonora Elf Owl (with PH3, Beiler et al. 2024) atmospheric models, using a Bayesian framework with the emcee sampler. This code was described in Hainline et al. (2026).
