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Fig. 1

image

Spectra of the standard stars in SPLAT, defining each subtype of brown dwarf from M0 to T9 for the 0.9–2.4 μm wavelength range. SPLAT contains spectral standards for dwarf classes M0 through T9, drawn from Burgasser et al. (2006); Kirkpatrick et al. (2010), and Cushing et al. (2011). Near-infrared colors are strongly influenced by the strength of the absorption features at 1.2 μm (methane) and 1.4 μm (water), especially in the later brown dwarf types (T and later).

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