# 
 # rdb parameter file ("rpf") format
 # 
 S     rpf_creation_time : "Mon Jan 17 12:30:56 2000"                                                
 S              filename : "/nfs/spectra/d2/3c273/acisf459_000N001_g02346Elt10s4G110_evt2.fits"      
 S              detector : "ACIS-S"                                                                  
 S               grating : "HETG"                                                                    
 N           file_events :  325618.00 +/- 0.0000000                                                  
 N        abs_start_time :  63875940. +/- 0.0000000 second                                           
 N     interval_duration :  39164.382 +/- 0.0000000 second                                           
 N        ave_event_rate :  8.3141361 +/- 0.014570113 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 :  0.99634743 +/- 0.0000000                                                 
 N        expnos_ratio_6 :  0.99793530 +/- 0.0000000                                                 
 N        expnos_ratio_7 :  0.99794692 +/- 0.0000000                                                 
 N        expnos_ratio_8 :  0.99599820 +/- 0.0000000                                                 
 N        expnos_ratio_9 :  1.0202007 +/- 0.0000000                                                  
 N         live_interval :  39090.003 +/- 0.0000000 second                                           
 N       live_event_rate :  7.9842409 +/- 0.014291702 event/second                                   
 N         zo_det_events :  14005.000 +/- 0.0000000                                                  
 N          zo_live_rate :  0.35827575 +/- 0.0030274421 event/second                                 
 S          x_coord_name : "SkyX"                                                                    
 S          y_coord_name : "-SkyY"                                                                   
 N              zo_loc_x :  4119.6440 +/- 0.0000000 pixel                                            
 N              zo_loc_y :  -4066.5012 +/- 0.0000000 pixel                                           
 N       zo_det_fwtenthm :  37.000000 +/- 0.0000000 pixel                                            
 N           zo_det_fwhm :  8.0000000 +/- 0.0000000 pixel                                            
 N             roll_axay :  -68.000336 +/- 0.0000000 degrees                                         
 N        det_rms_radius :  55.055676 +/- 0.0000000 pixel                                            
 N            zo_loc_fit :  -1.4191558 +/- 0.046727039 pixel                                         
 N           zo_fwhm_fit :  213.76155 +/- 2.3177674 micron                                           
 N                zo_acf :  0.0026173699 +/- 6.0799288e-05 fraction in pixel/10                      
 N      zo_detail_events :  14005.000 +/- 0.0000000                                                  
 N        zo_detail_rate :  0.35759533 +/- 0.0030216925 event/second                                 
 N          strk_loc_fit :  -1.5585102 +/- 0.022539435 pixel                                         
 N         strk_fwhm_fit :  38.534054 +/- 1.0545149 micron                                           
 N              strk_acf :  0.0023307096 +/- 0.00010240009 fraction in pixel/5                       
 N           strk_events :  8638.0000 +/- 0.0000000                                                  
 N             strk_rate :  0.22055755 +/- 0.0023730961 event/second                                 
 N             zo_loc_ax :  4118.0854 +/- 0.0000000 pixel                                            
 N             zo_loc_ay :  -4066.5012 +/- 0.0000000 pixel                                           
 N      heg_minus_events :  24969.000 +/- 0.0000000                                                  
 N       heg_minus_angle :  -5.2193155 +/- 0.0000000 degree                                          
 N       meg_plus_events :  52513.000 +/- 0.0000000                                                  
 N        meg_plus_angle :  4.7132096 +/- 0.0000000 degree                                           
 N      meg_minus_events :  53868.000 +/- 0.0000000                                                  
 N       meg_minus_angle :  4.7212095 +/- 0.0000000 degree                                           
 N       heg_plus_events :  24047.000 +/- 0.0000000                                                  
 N        heg_plus_angle :  -5.2259040 +/- 0.0000000 degree                                          
 N        heg_all_events :  49016.000 +/- 0.0000000                                                  
 N         heg_all_angle :  -5.2260389 +/- 0.0000000 degree                                          
 N        meg_all_events :  106381.00 +/- 0.0000000                                                  
 N         meg_all_angle :  4.7222576 +/- 0.0000000 degree