GRAVITY K band spectrum of HR8799 e at spectral resolution 500 (gray points). The red curve is the X-SHOOTER spectrum of the brown dwarf Luhman 16 A from Lodieu et al. (2015), smoothed to the GRAVITY resolution. The reduced is 2.4 (over 236° of freedom). The orange curve is the best fit of the Exo-REM models from Charnay et al. (2018). The reduced is 2.7. The dashed curve is the K-band GPI spectrum from Greenbaum et al. (2018). The square dots are the SPHERE photometry from Zurlo et al. (2016).
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