Fig. 13
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Comparison of flux measured with HST/STIS and the G430L grating, Gaia DR3 spectra, and model spectra from SPHINX (Iyer et al. 2023), PHOENIX (Husser et al. 2013), and BT-Settl (Caffau et al. 2011) interpolated to the published parameters of LTT 1445A. No relative scaling was performed. The STIS/G430L and Gaia XP data agree where they overlap. We use the BT-Settl model in the panchromatic spectrum.
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