reduce the range of alpha_ox to improve efficiency

pcigale/sed_modules/dale2014.py

@@ -33,7 +33,7 @@ class Dale2014(SedModule):
         ('fracAGN', (
             'cigale_list(minvalue=0., maxvalue=1.)',
             "AGN fraction. It is not recommended to combine this AGN emission "
-            "with the of Fritz et al. (2006) models.",
+            "with the of Fritz et al. (2006) or SKIRTOR models.",
             0.0
         )),
         ('alpha', (

pcigale/session/configuration.py

@@ -373,7 +373,7 @@ class Configuration(object):
         """Add alpha_ox for internal usage.
         """
         self.config['sed_modules_params']['xray']['alpha_ox'] = \
-                [-2.2, -2.1, -2.0, -1.9, -1.8, -1.7, -1.6, -1.5, -1.4, -1.3, -1.2, -1.1, -1.0, -0.9, -0.8]
+                [-1.9, -1.8, -1.7, -1.6, -1.5, -1.4, -1.3, -1.2, -1.1]
 
     def complete_analysed_parameters(self):
         """Complete the configuration when the variables are missing from the