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Fig. 4


Low-resolution (top) and medium-resolution (bottom) optical spectra of WISE J0720 (black) compared with template spectra from the Dwarf Archives (red; Henry & Kirkpatrick 1990; Kirkpatrick et al. 1995, 1999, 2000; Kirkpatrick 2003; Gelino et al. 2004). Our spectra were re-binned by factors of 4 (top panel) and 12 (bottom panel) for display purposes.

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