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====== SALT spectral time series ====== (or templates/surfaces) ===== Data ===== * Betoule et al. (2014), Joint SDSS/SNLS Lightcurve Analysis * {{:salt2_model_data-2-0.tar.gz|salt2_model_data-2-0.tar.gz}}, from Guy et al. (2010), SNLS 3 year cosmology analysis (SNLS3) * {{::salt2_model_data-1-0.tar.gz|salt2_model_data-1-1.tar.gz}}, from Guy et al. (2007), first release of SALT2 (with salt2_spec_dispersion_scaling.dat fixed) * {{:salt_model_data-1-0.tar.gz|salt_model_data-1-0.tar.gz}}, from Guy et al. (2005), SALT1 model data ===== Description ===== The archive file contains all the data that define the model. **SALT2** * salt2_template_0.dat Average spectral sequence * salt2_template_1.dat Spectral sequence of 1st variability component * salt2_color_correction.dat Model of color variation law * salt2_color_dispersion.dat Model of color errors (~ k-correction errors) * salt2_lc_relative_variance_0.dat Variance of average spectral sequence (error on mean), for lightcurves * salt2_lc_relative_variance_1.dat Variance of first component (error on mean), for lightcurves * salt2_lc_relative_covariance_01.dat Covariance of of components 0 and 1, for lightcurves * salt2_lc_dispersion_scaling.dat Error scaling to account for the residual dispersion, for lightcurves * salt2_spec_variance_0.dat Variance of average spectral sequence (error on mean), for spectra (only in Guy 2007 version) * salt2_spec_variance_1.dat Variance of first component (error on mean), for spectra (only in Guy 2007 version) * salt2_spec_covariance_01.dat Covariance of of components 0 and 1, for spectra (only in Guy 2007 version) **SALT1** * salt_template.dat Average spectral sequence (modified version of P. Nugent template) * corrections_stretch Polynomial corrections as a function of stretch, phase, wavelength * corrections_color Polynomial corrections as a function of color and wavelength