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Observational constraints on the nature of dark energy: First cosmological results from the ESSENCE supernova survey

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Figure 5 compares the fit distances and extinction /color pa- pa-rameters of the MLCS2k 2 glosz and SALT fit results for the ESSENCE, SNLS, and nearby samples
Fig. 2.—Distribution of the SALT light-curve stretch and the SALT estimated color plus extinction (the ‘‘c’’ parameter of Guy et al
Fig. 4.—Distance modulus () residuals with respect to a CDM cosmology as a function of the SALT fit parameters: stretch and color
Fig. 5.—Distance modulus and A V as a function of redshift for MLCS2k 2 glosz minus the SALT distance modulus and 	 ; color (	 ¼ 1:57) for the ESSENCE, SNLS, and nearby data sets
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