====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.48 Process Start Time: Sat Jul 30 01:10:54 EDT 2022 Host Name: batproc1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1000613 ====================================================================== Trigger: 01000613 Segment: 000 BAT Trigger Time: 624620817.088 [s; MET] Trigger Stop: 624620819.136 [s; MET] UTC: 2020-10-17T09:46:31.267800 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 36.6334750470493 Dec: 66.6727003365269 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.33 Image Trigger?: NO Rate S/N Ratio: 13.9283882771841 [ if not an image trigger ] Image S/N Ratio: 7.33 Analysis Position: [ source = BAT ] RA: 36.6334750470493 Dec: 66.6727003365269 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 36.6021095137194 Dec: 66.6707421185928 [deg; J2000] { 02h 26m 24.5s , +66d 40' 14.7" } +/- 2.27364055643405 [arcmin] (estimated 90% radius based on SNR) +/- 1.16885987910631 [arcmin] (formal 1-sigma fit error) SNR: 9.40840053449997 Angular difference between the analysis and refined position is 0.754448 arcmin Partial Coding Fraction: 0.3789062 [ including projection effects ] Duration T90: 22.0800000429153 +/- 6.25242363875111 Measured from: -2.28800010681152 to: 19.7919999361038 [s; relative to TRIGTIME] T50: 9.4559999704361 +/- 4.88010503176866 Measured from: -0.432000041007996 to: 9.0239999294281 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 0.867999911308289 to: 1.86799991130829 [s; relative to TRIGTIME] Total Fluence Measured from: -2.76800000667572 to: 23.8719999790192 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.319378 0.499730 0.404992 0.150167 0.068774 0.070942 0.061082 0.052261 [error] Peak 0.048818 0.086839 0.048016 0.019325 0.014638 0.015208 0.013333 0.011184 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 26.640 -2.768 23.872 T90 22.080 -2.288 19.792 T50 9.456 -0.432 9.024 Peak 1.000 0.868 1.868 ====== Spectral Analysis Summary ===================================== Model : spectral model: simple power-law (PL) and cutoff power-law (CPL) Ph_index : photon index: E^{Ph_index} Ph_90err : 90% error of the photon index Epeak : Epeak in keV Epeak_90err: 90% error of Epeak Norm : normalization at 50 keV in both the PL model and CPL model Nomr_90err : 90% error of the normalization chi2 : Chi-Squared dof : degree of freedo === Time-averaged spectral analysis === (Best model with acceptable fit: N/A) Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof PL -1.484 -0.246 0.247 - - - 3.58e-03 -5.27e-04 5.26e-04 40.430 57 CPL -0.921 -0.754 1.286 95.895 -38.330 -95.895 6.91e-03 -3.75e-03 2.35e-02 39.530 56 === 1-s peak spectral analysis === (Best model with acceptable fit: N/A) Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof PL -1.666 -0.358 0.342 - - - 1.34e-02 -3.04e-03 2.99e-03 61.410 57 CPL -0.189 -1.690 3.289 56.319 -11.134 -56.319 8.37e-02 -8.37e-02 4.74e+00 59.550 56 === Fluence/Peak Flux Summary === Model Band1 Band2 Band3 Band4 Band5 Total 15-25 25-50 50-100 100-350 15-150 15-350 keV Fluence PL 1.20e-07 2.22e-07 3.18e-07 9.62e-07 9.06e-07 1.62e-06 erg/cm2 90%_error_low -2.93e-08 -3.52e-08 -5.84e-08 -3.27e-07 -1.43e-07 -3.81e-07 erg/cm2 90%_error_hi 3.12e-08 3.47e-08 5.78e-08 4.25e-07 1.44e-07 4.57e-07 erg/cm2 Peak flux PL 6.48e-01 5.91e-01 3.73e-01 3.60e-01 1.76e+00 1.97e+00 ph/cm2/s 90%_error_low -2.06e-01 -1.30e-01 -1.05e-01 -1.65e-01 -3.80e-01 -4.20e-01 ph/cm2/s 90%_error_hi 2.23e-01 1.29e-01 1.04e-01 2.27e-01 3.81e-01 4.22e-01 ph/cm2/s Fluence CPL 1.09e-07 2.36e-07 3.30e-07 4.39e-07 8.73e-07 1.12e-06 erg/cm2 90%_error_low -3.48e-08 -4.29e-08 -6.41e-08 -3.19e-07 -1.59e-07 -3.58e-07 erg/cm2 90%_error_hi 3.60e-08 4.58e-08 6.61e-08 6.39e-07 1.57e-07 6.75e-07 erg/cm2 Peak flux CPL 5.26e-01 6.91e-01 3.95e-01 8.56e-02 1.68e+00 1.70e+00 ph/cm2/s 90%_error_low -2.68e-01 -1.80e-01 -1.39e-01 -8.56e-02 -4.06e-01 -4.20e-01 ph/cm2/s 90%_error_hi 2.70e-01 1.98e-01 1.28e-01 3.44e-01 3.99e-01 5.09e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 36.6021 66.6707 0.0203 41.9154 170.3374 1.2993607 9.408 TRIG_01000613 Foreground time interval of the image: -2.768 23.872 (delta_t = 26.640 [sec]) Background time interval of the image: -239.088 -2.768 (delta_t = 236.320 [sec])
Note: The mask-weighted lightcurves have units of either count/det or counts/sec/det, where a det is 0.4 x 0.4 = 0.16 sq cm.
Time interval is from -2.768 sec. to 23.872 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.48355 ( -0.246246 0.246728 ) Norm@50keV : 3.57583E-03 ( -0.000527377 0.000525867 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 40.43 using 59 bins. Reduced chi-squared = 0.709298 # Null hypothesis probability of 9.53e-01 with 57 degrees of freedom Photon flux (15-150 keV) in 26.64 sec: 0.444471 ( -0.06738 0.067621 ) ph/cm2/s Energy fluence (15-150 keV) : 9.06285e-07 ( -1.43004e-07 1.44162e-07 ) ergs/cm2
Time interval is from -2.768 sec. to 23.872 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.920801 ( -0.753416 1.28655 ) Epeak [keV] : 95.8954 ( -38.3595 -95.9249 ) Norm@50keV : 6.91033E-03 ( -0.00375115 0.0234671 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 39.53 using 59 bins. Reduced chi-squared = 0.705893 # Null hypothesis probability of 9.53e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 26.64 sec: 0.435409 ( -0.069693 0.0696 ) ph/cm2/s Energy fluence (15-150 keV) : 8.727e-07 ( -1.58739e-07 1.56629e-07 ) ergs/cm2
Time interval is from 0.868 sec. to 1.868 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.66578 ( -0.357869 0.342401 ) Norm@50keV : 1.34234E-02 ( -0.00304333 0.0029909 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 61.41 using 59 bins. Reduced chi-squared = 1.07737 # Null hypothesis probability of 3.21e-01 with 57 degrees of freedom Photon flux (15-150 keV) in 1 sec: 1.76207 ( -0.38008 0.38098 ) ph/cm2/s Energy fluence (15-150 keV) : 1.24669e-07 ( -2.92093e-08 2.9668e-08 ) ergs/cm2
Time interval is from 0.868 sec. to 1.868 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.189064 ( -1.70598 3.2731 ) Epeak [keV] : 56.3185 ( -10.9124 -56.0966 ) Norm@50keV : 8.36988E-02 ( -0.086747 4.73456 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 59.55 using 59 bins. Reduced chi-squared = 1.06339 # Null hypothesis probability of 3.48e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 1 sec: 1.68166 ( -0.40579 0.39888 ) ph/cm2/s Energy fluence (15-150 keV) : 8.81008e-08 ( -3.86333e-08 2.33312e-08 ) ergs/cm2
T90 = N/A sec. Hardness ratio (energy fluence ratio) = N/A
S(15-50 keV) = N/A S(50-150 keV) = N/A
The dash-dotted line and the dashed line traces the fluences calculated from the Band function with Epeak = 15 and 150 keV, respectively. Both lines assume a canonical values of alpha = -1 and beta = -2.5.
IMX = -8.849975337905884E-01, IMY = -1.506806050536204E-01
Time interval of the image: -239.088000 -2.768000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6425 22.0059 0.4 12.2 10.6 9.0684 28.4 0.7 Crab 53.0540 3.8135 2.4 40.9 64.1 5.6578 4.8 ------ UNKNOWN 76.3976 -9.6393 3.3 44.2 24.2 1.9405 3.5 ------ UNKNOWN 75.3891 11.6581 2.2 23.5 33.3 1.8169 5.3 ------ UNKNOWN 103.0833 -9.6081 2.6 48.0 -12.3 2.6481 4.5 ------ UNKNOWN 132.9999 36.0478 3.0 40.9 -92.0 5.5266 3.9 ------ UNKNOWN 146.2888 61.3334 2.7 48.0 -129.1 5.7371 4.2 ------ UNKNOWN
Time interval of the image: -2.768000 23.872000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.8285 21.9071 0.0 12.4 9.8 -0.1553 -2.1 12.6 Crab 36.6020 66.6707 1.2 41.9 170.3 1.2996 9.4 ------ UNKNOWN 135.2232 42.7403 2.3 41.5 -102.5 1.4355 5.1 ------ UNKNOWN
Time interval of the image: 87.812590 683.512610 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6119 21.9961 1.4 53.5 16.5 20.0587 8.1 1.6 Crab 308.1847 40.9475 6.8 52.4 -178.4 -3.8866 -1.7 3.4 Cyg X-3 325.9663 38.3318 74.7 47.8 164.4 -0.3052 -0.2 9.7 Cyg X-2 160.5749 67.6818 3.3 40.0 -76.8 8.2271 3.5 ------ UNKNOWN