These templates are from Assef et al 2010: http://adsabs.harvard.edu/abs/2010ApJ...713..970A

They are mean templates derived by fitting empirical SEDs in the NOAO Deep-Wide Field Survey Bootes field.

 * AGN and AGN2 two different AGN templates. AGN is recommended (read the reference above for details)
 * E is an ellipical template
 * Sbc is a spiral template
 * Im is an Irregular template.

