====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.47 Process Start Time: Mon May 18 14:16:08 EDT 2020 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger967774 ====================================================================== Trigger: 00967774 Segment: 000 BAT Trigger Time: 609466606.592 [s; MET] Trigger Stop: 609466610.688 [s; MET] UTC: 2020-04-25T00:16:21.762420 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 85.2407720384269 Dec: -13.4588771838186 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 8.62 Image Trigger?: NO Rate S/N Ratio: 13.490737563232 [ if not an image trigger ] Image S/N Ratio: 8.62 Analysis Position: [ source = BAT ] RA: 85.2407720384269 Dec: -13.4588771838186 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 85.2173769200413 Dec: -13.3994730425819 [deg; J2000] { 05h 40m 52.2s , -13d 23' 58.1" } +/- 1.95064636822535 [arcmin] (estimated 90% radius based on SNR) +/- 0.987794856144153 [arcmin] (formal 1-sigma fit error) SNR: 11.7105583823982 Angular difference between the analysis and refined position is 3.816803 arcmin Partial Coding Fraction: 1.015625 [ including projection effects ] Duration T90: 81 +/- 21.6621790224345 Measured from: -41.5920000076294 to: 39.4079999923706 [s; relative to TRIGTIME] T50: 28 +/- 10.1980390271856 Measured from: -23.5920000076294 to: 4.40799999237061 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 2.40799999237061 to: 3.40799999237061 [s; relative to TRIGTIME] Total Fluence Measured from: -47.5920000076294 to: 58.4079999923706 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.526994 0.624328 0.581243 0.131340 0.069188 0.072306 0.063782 0.058385 [error] Peak 0.020831 0.035056 0.025643 0.005298 0.007064 0.007723 0.006551 0.005949 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 106.000 -47.592 58.408 T90 81.000 -41.592 39.408 T50 28.000 -23.592 4.408 Peak 1.000 2.408 3.408 ====== 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 -1.301 -0.210 0.213 - - - 1.17e-03 -1.29e-04 1.28e-04 77.600 57 CPL -1.313 -0.197 0.230 9999.360 -9999.360 -9999.360 1.16e-03 -1.22e-04 1.36e-04 77.650 56 === 1-s peak spectral analysis === (Best model with acceptable fit: PL) 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 -1.243 -0.384 0.396 - - - 5.93e-03 -1.38e-03 1.38e-03 46.050 57 CPL 0.105 -1.515 2.019 78.638 -25.939 -78.638 2.77e-02 -2.77e-02 7.98e-01 44.500 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 1.31e-07 2.72e-07 4.41e-07 1.61e-06 1.22e-06 2.45e-06 erg/cm2 90%_error_low -2.70e-08 -3.34e-08 -6.39e-08 -4.70e-07 -1.55e-07 -5.19e-07 erg/cm2 90%_error_hi 2.84e-08 3.27e-08 6.29e-08 6.00e-07 1.57e-07 6.30e-07 erg/cm2 Peak flux PL 1.91e-01 2.24e-01 1.89e-01 2.71e-01 7.01e-01 8.75e-01 ph/cm2/s 90%_error_low -7.43e-02 -5.90e-02 -5.21e-02 -1.26e-01 -1.65e-01 -2.12e-01 ph/cm2/s 90%_error_hi 8.32e-02 5.77e-02 5.15e-02 1.83e-01 1.65e-01 2.20e-01 ph/cm2/s Fluence CPL 1.31e-07 2.72e-07 4.41e-07 1.85e-06 1.23e-06 2.41e-06 erg/cm2 90%_error_low -2.71e-08 -3.34e-08 N/A N/A -1.64e-07 -6.32e-07 erg/cm2 90%_error_hi 2.83e-08 3.26e-08 N/A N/A 1.47e-07 6.23e-07 erg/cm2 Peak flux CPL 1.48e-01 2.50e-01 2.07e-01 7.90e-02 6.62e-01 6.84e-01 ph/cm2/s 90%_error_low -9.44e-02 -7.12e-02 -6.12e-02 -7.90e-02 -1.79e-01 -1.98e-01 ph/cm2/s 90%_error_hi 1.01e-01 7.71e-02 6.35e-02 2.39e-01 1.75e-01 3.07e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 85.2174 -13.3995 0.0165 12.7357 -4.6855 1.6747031 11.711 TRIG_00967774 Foreground time interval of the image: -47.592 41.509 (delta_t = 89.101 [sec]) Background time interval of the image: -239.592 -47.592 (delta_t = 192.000 [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 -47.592 sec. to 58.408 sec. XSPEC12>exit XSPEC: quit Photon index: -1.30127 ( -0.210257 0.212919 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.30127 ( -0.212919 0.210257 ) Norm@50keV : 1.16557E-03 ( -0.00012879 0.000128443 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 106 sec: 0.139090 ( -0.015557 0.015591 ) ph/cm2/s Energy fluence (15-150 keV) : 1.22066e-06 ( -1.54741e-07 1.56564e-07 ) ergs/cm2
Time interval is from -47.592 sec. to 58.408 sec. XSPEC: quit Photon index: -1.29838 ( -0.198501 0.228851 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.29838 ( -0.228851 0.198501 ) Epeak [keV] : 1.00000E+04 ( -10000 -10000 ) Norm@50keV : 1.17029E-03 ( -0.000129566 0.000127976 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 106 sec: 0.139069 ( -0.015555 0.01558 ) ph/cm2/s Energy fluence (15-150 keV) : 1.22972e-06 ( -1.64431e-07 1.46751e-07 ) ergs/cm2
Time interval is from 2.408 sec. to 3.408 sec. XSPEC12>exit XSPEC: quit Photon index: -1.24304 ( -0.384041 0.396401 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: 1.24304 ( -0.396401 0.384041 ) Norm@50keV : 5.93265E-03 ( -0.0013803 0.0013785 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 1 sec: 0.700893 ( -0.164948 0.165423 ) ph/cm2/s Energy fluence (15-150 keV) : 5.94895e-08 ( -1.52918e-08 1.56209e-08 ) ergs/cm2
Time interval is from 2.408 sec. to 3.408 sec. XSPEC: quit Photon index: 0.104781 ( -1.51493 2.01906 ) ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.104781 ( -2.01906 1.51493 ) Epeak [keV] : 78.6378 ( -25.9373 -78.6362 ) Norm@50keV : 2.77494E-02 ( -0.0277518 0.798008 ) ------------------------------------------------------------ Photon flux (15-150 keV) in 1 sec: 0.662496 ( -0.179121 0.175135 ) ph/cm2/s Energy fluence (15-150 keV) : 5.34663e-08 ( -1.62323e-08 1.76747e-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 = 2.252587250891085E-01, IMY = 1.846227611429985E-02
Time interval of the image: -239.592000 -47.592000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6453 22.0169 0.8 47.5 -21.0 7.7340 13.8 0.7 Crab 37.1865 -75.8316 2.8 54.8 167.3 5.5299 4.5 ------ UNKNOWN 36.8019 -75.5928 3.3 54.7 167.6 5.4765 4.7 ------ UNKNOWN 82.9026 -37.0546 2.5 11.8 147.1 1.0661 4.7 ------ UNKNOWN
Time interval of the image: -47.592000 41.508600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6601 21.8542 4.4 47.4 -21.0 -0.7848 -2.6 9.7 Crab 85.2174 -13.3995 1.0 12.7 -4.7 1.6746 11.7 ------ UNKNOWN 63.1650 -9.5315 2.0 23.1 -74.2 1.1038 5.7 ------ UNKNOWN
Time interval of the image: 74.908590 836.008600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6595 22.0283 0.4 35.5 -27.5 31.5149 27.0 1.7 Crab 60.0373 -65.5238 2.8 54.8 167.5 17.8436 4.1 ------ UNKNOWN 101.1035 -7.4516 3.0 16.7 45.5 3.3315 3.8 ------ UNKNOWN 72.3363 27.1959 3.0 42.5 -42.1 5.4644 3.8 ------ UNKNOWN 86.2690 43.4097 2.2 56.9 -24.1 18.8715 5.2 ------ UNKNOWN 32.3706 -24.2060 3.3 50.9 -135.4 15.5089 3.5 ------ UNKNOWN