Image Details
Caption: Figure 2.
[ L′ - NB4.05] color as function of spectral type derived from cool field dwarf (black points). The dashed line is a linear fit to the field dwarf data. The position of β Pic b on the fitted correlation is shown in red. The error bars are the root sum squares of the photometric errors in the individual filters. The shaded area covers the range of spectral types consistent with the color of the exoplanet given the error bars.
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