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Table 2

Top part of the table: slopes and respective errors computed for our three spectra and for the spectrum of Makemake from Licandro et al. (2006b). Bottom part: slopes and respective errors calculated for the spectrum of Eris from (a) Alvarez-Candal et al. (2011) and for the spectrum of Pluto from (b) Pinilla-Alonso (priv. comm.).

Data Slope (0.400.52 μm) Error

Phase 1 23%/1000 Å 4%/1000 Å
Phase 2 20%/1000 Å 4%/1000 Å
Phase 3 32%/1000 Å 4%/1000 Å
Licandro et al. (2006b) 26%/1000 Å 4%/1000 Å

Erisa 12%/1000 Å 4%/1000 Å
Plutob 28%/1000 Å 4%/1000 Å

Notes. All the slopes were computed between 0.400.52 μm and for spectra normalized at 0.55 μm.

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