Fig. 6. Two-Component Blackbody Fits to Two Callisto Spectra.

The same spectra shown in Fig.1, with their least-squares fits obtained as described in the text. The fit to the warm spectrum (16421.59) has T_E=$148.6^o K, d_t=27.3^o K, and \ep$=$0.943. For the cooler spectrum (16425.22) the fit parameters are 116.0^o K, 39.9^o K, and 0.879. The IRIS spectra have been smoothed using a 14 cm^-1 wide boxcar filter.
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