====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.48 Process Start Time: Tue Dec 26 15:32:31 EST 2023 Host Name: batproc1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1199764 ====================================================================== Trigger: 01199764 Segment: 000 BAT Trigger Time: 722927191.552 [s; MET] Trigger Stop: 722927192.576 [s; MET] UTC: 2023-11-29T05:05:59.096760 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 317.536113005641 Dec: 41.5435082108941 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 10.94 Image Trigger?: NO Rate S/N Ratio: 22.5166604983954 [ if not an image trigger ] Image S/N Ratio: 10.94 Analysis Position: [ source = BAT ] RA: 317.536113005641 Dec: 41.5435082108941 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 317.541006827999 Dec: 41.5303277336599 [deg; J2000] { 21h 10m 09.8s , +41d 31' 49.2" } +/- 0.960403201923415 [arcmin] (estimated 90% radius based on SNR) +/- 0.302363079126228 [arcmin] (formal 1-sigma fit error) SNR: 32.2243871575495 Angular difference between the analysis and refined position is 0.820803 arcmin Partial Coding Fraction: 0.4648438 [ including projection effects ] Duration T90: 106.324000000954 +/- 2.01832399649924 Measured from: 1.91999995708466 to: 108.243999958038 [s; relative to TRIGTIME] T50: 66.5199999809265 +/- 1.33670045524915 Measured from: 21.3359999656677 to: 87.8559999465942 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 88.7120000123978 to: 89.7120000123978 [s; relative to TRIGTIME] Total Fluence Measured from: -1.74800002574921 to: 122.071999907494 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 5.992320 7.791618 5.442700 1.119425 0.100741 0.108182 0.094911 0.075159 [error] Peak 0.154099 0.219204 0.098329 0.006792 0.009586 0.010520 0.007905 0.005306 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 123.820 -1.748 122.072 T90 106.324 1.920 108.244 T50 66.520 21.336 87.856 Peak 1.000 88.712 89.712 ====== 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: CPL) 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 -1.684 -0.039 0.039 - - - 1.08e-02 -2.19e-04 2.19e-04 58.180 57 CPL -1.388 -0.165 0.171 114.047 -22.584 70.822 1.47e-02 -2.26e-03 2.79e-03 48.570 56 === 1-s peak spectral analysis === (Best model with acceptable fit: CPL) 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 -1.902 -0.102 0.099 - - - 2.75e-02 -1.89e-03 1.87e-03 80.320 57 CPL -0.619 -0.517 0.589 47.146 -4.763 6.465 1.44e-01 -6.92e-02 1.64e-01 59.240 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 2.02e-06 3.32e-06 4.14e-06 1.02e-05 1.24e-05 1.97e-05 erg/cm2 90%_error_low -8.35e-08 -7.92e-08 -1.04e-07 -5.82e-07 -2.56e-07 -6.35e-07 erg/cm2 90%_error_hi 8.50e-08 7.91e-08 1.04e-07 6.05e-07 2.57e-07 6.51e-07 erg/cm2 Peak flux PL 1.67e+00 1.32e+00 7.07e-01 5.51e-01 3.94e+00 4.25e+00 ph/cm2/s 90%_error_low -1.47e-01 -8.10e-02 -6.18e-02 -8.62e-02 -2.44e-01 -2.59e-01 ph/cm2/s 90%_error_hi 1.50e-01 8.10e-02 6.18e-02 9.48e-02 2.44e-01 2.59e-01 ph/cm2/s Fluence CPL 1.88e-06 3.37e-06 4.24e-06 7.10e-06 1.21e-05 1.66e-05 erg/cm2 90%_error_low -1.12e-07 -8.44e-08 -1.18e-07 -1.24e-06 -2.92e-07 -1.27e-06 erg/cm2 90%_error_hi 1.14e-07 8.47e-08 1.19e-07 1.56e-06 2.91e-07 1.58e-06 erg/cm2 Peak flux CPL 1.44e+00 1.53e+00 7.27e-01 1.46e-01 3.81e+00 3.84e+00 ph/cm2/s 90%_error_low -1.71e-01 -1.14e-01 -7.65e-02 -6.22e-02 -2.49e-01 -2.58e-01 ph/cm2/s 90%_error_hi 1.73e-01 1.17e-01 7.46e-02 9.47e-02 2.49e-01 2.61e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 317.5410 41.5303 0.0060 42.3540 -20.5187 4.5324260 32.224 TRIG_01199764 Foreground time interval of the image: -1.748 17.149 (delta_t = 18.897 [sec]) Background time interval of the image: -32.251 -1.748 (delta_t = 30.503 [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 -1.748 sec. to 122.072 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.68358 ( -0.0394022 0.0393366 ) Norm@50keV : 1.07732E-02 ( -0.000219114 0.000219107 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 58.18 using 59 bins. Reduced chi-squared = 1.0207 # Null hypothesis probability of 4.32e-01 with 57 degrees of freedom Photon flux (15-150 keV) in 123.8 sec: 1.42275 ( -0.03406 0.0342 ) ph/cm2/s Energy fluence (15-150 keV) : 1.23672e-05 ( -2.56436e-07 2.56641e-07 ) ergs/cm2
Time interval is from -1.748 sec. to 122.072 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.3877 ( -0.164591 0.170709 ) Epeak [keV] : 114.047 ( -22.5842 70.8221 ) Norm@50keV : 1.46684E-02 ( -0.0022633 0.00278643 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 48.57 using 59 bins. Reduced chi-squared = 0.867321 # Null hypothesis probability of 7.49e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 123.8 sec: 1.38528 ( -0.03908 0.03936 ) ph/cm2/s Energy fluence (15-150 keV) : 1.21172e-05 ( -2.91629e-07 2.90521e-07 ) ergs/cm2
Time interval is from 88.712 sec. to 89.712 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.90241 ( -0.101738 0.0993167 ) Norm@50keV : 2.74505E-02 ( -0.00189056 0.00187497 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 80.32 using 59 bins. Reduced chi-squared = 1.40912 # Null hypothesis probability of 2.26e-02 with 57 degrees of freedom Photon flux (15-150 keV) in 1 sec: 3.94373 ( -0.24399 0.24413 ) ph/cm2/s Energy fluence (15-150 keV) : 2.52418e-07 ( -1.71353e-08 1.72379e-08 ) ergs/cm2
Time interval is from 88.712 sec. to 89.712 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.619354 ( -0.516689 0.589107 ) Epeak [keV] : 47.1456 ( -4.76258 6.4657 ) Norm@50keV : 0.143501 ( -0.069219 0.163836 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared 59.24 using 59 bins. Reduced chi-squared = 1.05786 # Null hypothesis probability of 3.58e-01 with 56 degrees of freedom Photon flux (15-150 keV) in 1 sec: 3.81466 ( -0.24913 0.24939 ) ph/cm2/s Energy fluence (15-150 keV) : 2.32049e-07 ( -1.82676e-08 1.86427e-08 ) ergs/cm2
T90 = 106.324 sec. Hardness ratio (energy fluence ratio) = 1.25649269566
S(15-50 keV) = 5.24811e-06 S(50-150 keV) = 6.868973e-06
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 = 8.538162070997549E-01, IMY = 3.195459684732280E-01
Time interval of the image: -32.251400 -1.748000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 299.6535 35.2002 3.8 52.3 -36.5 1.0101 3.0 3.1 Cyg X-1 308.0221 40.8356 12.9 48.1 -26.7 -0.1504 -0.9 8.1 Cyg X-3 326.2725 38.4367 269.7 35.3 -17.2 0.0043 0.0 8.4 Cyg X-2 315.3641 50.2504 2.2 49.0 -12.4 0.9285 5.1 ------ UNKNOWN 313.5159 34.8716 2.2 41.5 -31.5 0.6418 5.2 ------ UNKNOWN
Time interval of the image: -1.748000 17.148600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 299.6107 35.1513 11.1 52.3 -36.6 -0.3942 -1.0 3.2 Cyg X-1 308.1274 41.1351 5.0 48.1 -26.3 0.4455 2.3 11.0 Cyg X-3 326.1656 38.3173 25.4 35.3 -17.4 0.0495 0.5 0.4 Cyg X-2 28.9539 26.1490 2.4 39.2 78.4 1.3527 4.9 ------ UNKNOWN 319.2085 59.4478 2.5 54.1 -2.2 1.4598 4.6 ------ UNKNOWN 319.7056 38.5871 2.6 39.3 -22.6 0.5356 4.4 ------ UNKNOWN 317.5410 41.5303 0.4 42.4 -20.5 4.5325 32.2 ------ UNKNOWN 321.9086 -22.7670 2.6 43.8 -123.1 1.3289 4.4 ------ UNKNOWN
Time interval of the image: 99.948610 476.748600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 254.5268 35.3941 5.6 48.6 -48.1 -6.2903 -2.1 4.6 Her X-1 288.8882 10.8638 45.9 39.6 -105.1 0.5386 0.3 7.2 GRS 1915+105 299.5858 35.1851 0.4 15.4 -81.1 18.7038 27.8 1.0 Cyg X-1 308.0862 41.0012 2.4 7.1 -63.8 3.0695 4.8 3.1 Cyg X-3 326.1165 38.2453 4.2 7.4 141.1 1.7415 2.7 5.3 Cyg X-2 1.8586 51.0318 3.6 31.6 84.6 4.2980 3.2 ------ UNKNOWN 336.6650 62.3640 3.2 23.7 49.7 2.9769 3.5 ------ UNKNOWN 341.7662 14.3445 2.5 34.4 162.6 4.2576 4.7 ------ UNKNOWN 334.9901 15.2964 2.7 30.3 172.3 3.5149 4.3 ------ UNKNOWN 263.8728 46.3134 2.1 38.2 -36.7 5.2737 5.7 ------ UNKNOWN 261.1624 36.9663 3.4 43.1 -49.3 5.2503 3.5 ------ UNKNOWN