fix data_fits_name for "bg_cube" scheme in FOVCube
@@ -174,7 +174,7 @@ class FOVCube(object):
scheme_dict['coordx_fits_name'] = 'DETX'
scheme_dict['coordy_fits_name'] = 'DETY'
scheme_dict['energy_fits_name'] = 'ENERG'
- scheme_dict['data_fits_name'] = 'Bgd'
+ scheme_dict['data_fits_name'] = 'BKG'
scheme_dict['coordx_plot_name'] = 'DET X'
scheme_dict['coordy_plot_name'] = 'DET Y'
scheme_dict['energy_plot_name'] = 'E'
