# 
 # rdb parameter file ("rpf") format
 # 
 S     rpf_creation_time : "Mon Jan  3 13:13:37 2000"                                              
 S              filename : "/nfs/spectra/d2/obsid_55/acisf55_000N001_g02346Elt10S4_evt1.fits"      
 S              detector : "ACIS-S"                                                                
 S               grating : "LETG"                                                                  
 N           file_events :  605660.00 +/- 0.0000000                                                
 N        abs_start_time :  58629336. +/- 0.0000000 second                                         
 N     interval_duration :  54163.754 +/- 0.0000000 second                                         
 N        ave_event_rate :  11.182017 +/- 0.014368311 event/second                                 
 S           proc_method : "Sky"                                                                   
 N        expnos_ratio_0 :  0.0000000 +/- 0.0000000                                                
 N        expnos_ratio_1 :  0.0000000 +/- 0.0000000                                                
 N        expnos_ratio_2 :  0.0000000 +/- 0.0000000                                                
 N        expnos_ratio_3 :  0.0000000 +/- 0.0000000                                                
 N        expnos_ratio_4 :  0.0000000 +/- 0.0000000                                                
 N        expnos_ratio_5 :  1.0004253 +/- 0.0000000                                                
 N        expnos_ratio_6 :  1.0000372 +/- 0.0000000                                                
 N        expnos_ratio_7 :  1.0000006 +/- 0.0000000                                                
 N        expnos_ratio_8 :  1.0051067 +/- 0.0000000                                                
 N        expnos_ratio_9 :  1.0809747 +/- 0.0000000                                                
 N         live_interval :  54163.754 +/- 0.0000000 second                                         
 N       live_event_rate :  9.4443232 +/- 0.013204777 event/second                                 
 N         zo_det_events :  49361.000 +/- 0.0000000                                                
 N          zo_live_rate :  0.91132901 +/- 0.0041018825 event/second                               
 S          x_coord_name : "SkyX"                                                                  
 S          y_coord_name : "-SkyY"                                                                 
 N              zo_loc_x :  4118.5137 +/- 0.0000000 pixel                                          
 N              zo_loc_y :  -4115.8608 +/- 0.0000000 pixel                                         
 N       zo_det_fwtenthm :  60.000000 +/- 0.0000000 pixel                                          
 N           zo_det_fwhm :  8.0000000 +/- 0.0000000 pixel                                          
 N             roll_axay :  -124.58804 +/- 0.0000000 degrees                                       
 N        det_rms_radius :  62.188198 +/- 0.0000000 pixel                                          
 N            zo_loc_fit :  -0.16885254 +/- 0.016582694 pixel                                      
 N           zo_fwhm_fit :  163.07872 +/- 0.87483662 micron                                        
 N                zo_acf :  0.0091506213 +/- 0.00011434753 fraction in pixel/10                    
 N      zo_detail_events :  49361.000 +/- 0.0000000                                                
 N        zo_detail_rate :  0.91132901 +/- 0.0041018825 event/second                               
 N          strk_loc_fit :  -0.13336958 +/- 0.012204868 pixel                                      
 N         strk_fwhm_fit :  54.306599 +/- 0.58698291 micron                                        
 N              strk_acf :  0.0083143943 +/- 0.00020796645 fraction in pixel/5                     
 N           strk_events :  19493.000 +/- 0.0000000                                                
 N             strk_rate :  0.35989012 +/- 0.0025776895 event/second                               
 N             zo_loc_ax :  4118.3447 +/- 0.0000000 pixel                                          
 N             zo_loc_ay :  -4115.8608 +/- 0.0000000 pixel                                         
 N      leg_minus_events :  95299.000 +/- 0.0000000                                                
 N       leg_minus_angle :  -0.13049184 +/- 0.0000000 degree                                       
 N       leg_plus_events :  120845.00 +/- 0.0000000                                                
 N        leg_plus_angle :  -0.42828244 +/- 0.0000000 degree                                       
 N        leg_all_events :  216144.00 +/- 0.0000000                                                
 N         leg_all_angle :  -0.25137070 +/- 0.0000000 degree                                       
 N         LEGm1_Res1keV :  152.41190 +/- 0.0000000                                                
 N         LEGp1_Res1keV :  165.94359 +/- 0.0000000