# 
 # rdb parameter file ("rpf") format
 # 
 S     rpf_creation_time : "Mon Dec 13 11:02:34 1999"                                                         
 S              filename : "/nfs/atum/d2/hetgs/obsid_1252/acisf1252_000N001_g02346Elt10S4G110_evt1.fits"      
 S              detector : "ACIS-S"                                                                           
 S               grating : "HETG"                                                                             
 N           file_events :  167438.00 +/- 0.0000000                                                           
 N        abs_start_time :  53962022. +/- 0.0000000 second                                                    
 N     interval_duration :  14941.200 +/- 0.0000000 second                                                    
 N        ave_event_rate :  11.206462 +/- 0.027386816 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 :  0.98334450 +/- 0.0000000                                                          
 N        expnos_ratio_5 :  1.0002400 +/- 0.0000000                                                           
 N        expnos_ratio_6 :  1.0010402 +/- 0.0000000                                                           
 N        expnos_ratio_7 :  0.99939609 +/- 0.0000000                                                          
 N        expnos_ratio_8 :  1.0003612 +/- 0.0000000                                                           
 N        expnos_ratio_9 :  1.0021114 +/- 0.0000000                                                           
 N         live_interval :  14941.200 +/- 0.0000000 second                                                    
 N       live_event_rate :  10.300444 +/- 0.026256404 event/second                                            
 N         zo_det_events :  5046.0000 +/- 0.0000000                                                           
 N          zo_live_rate :  0.33772387 +/- 0.0047543170 event/second                                          
 S          x_coord_name : "SkyX"                                                                             
 S          y_coord_name : "-SkyY"                                                                            
 N              zo_loc_x :  4232.7612 +/- 0.0000000 pixel                                                     
 N              zo_loc_y :  -4202.0635 +/- 0.0000000 pixel                                                    
 N       zo_det_fwtenthm :  25.000000 +/- 0.0000000 pixel                                                     
 N           zo_det_fwhm :  9.0000000 +/- 0.0000000 pixel                                                     
 N             roll_axay :  -100.35942 +/- 0.0000000 degrees                                                  
 N        det_rms_radius :  56.308731 +/- 0.0000000 pixel                                                     
 N            zo_loc_fit :  0.38066837 +/- 0.076423042 pixel                                                  
 N           zo_fwhm_fit :  203.79726 +/- 3.8055658 micron                                                    
 N                zo_acf :  0.0031634449 +/- 0.00012061899 fraction in pixel/10                               
 N      zo_detail_events :  5046.0000 +/- 0.0000000                                                           
 N        zo_detail_rate :  0.33772387 +/- 0.0047543170 event/second                                          
 N          strk_loc_fit :  0.11558460 +/- 0.030804507 pixel                                                  
 N         strk_fwhm_fit :  35.048431 +/- 1.4438156 micron                                                    
 N              strk_acf :  0.0028139636 +/- 0.00018720109 fraction in pixel/5                                
 N           strk_events :  3549.0000 +/- 0.0000000                                                           
 N             strk_rate :  0.23753112 +/- 0.0039871952 event/second                                          
 N             zo_loc_ax :  4232.8770 +/- 0.0000000 pixel                                                     
 N             zo_loc_ay :  -4202.0635 +/- 0.0000000 pixel                                                    
 N      heg_minus_events :  9851.0000 +/- 0.0000000                                                           
 N       heg_minus_angle :  -5.2352099 +/- 0.0000000 degree                                                   
 N       meg_plus_events :  22565.000 +/- 0.0000000                                                           
 N        meg_plus_angle :  4.7076044 +/- 0.0000000 degree                                                    
 N      meg_minus_events :  26811.000 +/- 0.0000000                                                           
 N       meg_minus_angle :  4.7184811 +/- 0.0000000 degree                                                    
 N       heg_plus_events :  8471.0000 +/- 0.0000000                                                           
 N        heg_plus_angle :  -5.2329655 +/- 0.0000000 degree                                                   
 N        heg_all_events :  18322.000 +/- 0.0000000                                                           
 N         heg_all_angle :  -5.2360806 +/- 0.0000000 degree                                                   
 N        meg_all_events :  49376.000 +/- 0.0000000                                                           
 N         meg_all_angle :  4.7279105 +/- 0.0000000 degree                                                    
 N         MEGm1_Res1keV :  621.15875 +/- 0.0000000                                                           
 N         MEGp1_Res1keV :  644.36414 +/- 0.0000000                                                           
 N         HEGm1_Res1keV :  878.59131 +/- 0.0000000                                                           
 N         HEGp1_Res1keV :  970.77997 +/- 0.0000000