Stacking of long glitches of bolometer 143-3a in different energy windows, after normalizing each event to the maximum amplitude. The solid lines show the long glitch template obtained after fitting four exponentials, using the data shown in the lower right panel. Templates are rescaled in amplitude in each pannel to match the stacked data due to the nonlinearity of the long glitch tail relative to the peak presented in Sect. 2.2. In each panel the lower curve shows the difference between the stacked data and the template. There is good agreement between the template and the stacked data, typically within 1%.