Correlations between laboratory line lists for FeH, CrH, and NiH and M-star spectra collected with ESPaDOnS and SPIRou

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Fig. 6

Spectrum of GJ 411 recorded on SPIRou (corrected for RV) with reference spectra of OH (Hitran database; Gordon et al. 2022) and FeH E-A bands in blue taken from the NSO spectrum. OH features dominate, but many matches with FeH are obvious. The I/I_c scale refers to GJ 411, corrected for baseline continuum. The scales for FeH and OH are arbitrary.

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