====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sun Jan 12 03:07:39 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger556344 ====================================================================== Trigger: 00556344 Segment: 000 BAT Trigger Time: 390869367.36 [s; MET] Trigger Stop: 390869368.384 [s; MET] UTC: 2013-05-21T22:49:16.777540 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 87.5593927071589 Dec: 14.4524334755583 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 12.11 Image Trigger?: NO Rate S/N Ratio: 24.5153013442625 [ if not an image trigger ] Image S/N Ratio: 12.11 Analysis Position: [ source = BAT ] RA: 87.5593927071589 Dec: 14.4524334755583 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 87.5671644965006 Dec: 14.4708670445226 [deg; J2000] { 05h 50m 16.1s , +14d 28' 15.1" } +/- 1.61520536666794 [arcmin] (estimated 90% radius based on SNR) +/- 0.760141059001048 [arcmin] (formal 1-sigma fit error) SNR: 15.3338131634135 Angular difference between the analysis and refined position is 1.194633 arcmin Partial Coding Fraction: 0.671875 [ including projection effects ] Duration T90: 10.9559999704361 +/- 2.50452706799813 Measured from: -0.328000009059906 to: 10.6279999613762 [s; relative to TRIGTIME] T50: 2.35999995470047 +/- 1.94983590135906 Measured from: 0.472000002861023 to: 2.83199995756149 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -0.136000037193298 to: 0.863999962806702 [s; relative to TRIGTIME] Total Fluence Measured from: -0.643999993801117 to: 12.6399999856949 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.345609 0.317768 0.155107 0.034583 0.027603 0.028142 0.023719 0.019499 [error] Peak 0.090310 0.085501 0.041724 0.011170 0.008862 0.009196 0.007451 0.005254 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 13.284 -0.644 12.640 T90 10.956 -0.328 10.628 T50 2.360 0.472 2.832 Peak 1.000 -0.136 0.864 ====== 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: 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 -2.088 -0.198 0.188 - - - 3.45e-03 -4.58e-04 4.47e-04 50.700 57 CPL -1.862 -0.216 0.770 24.954 N/A N/A 4.68e-03 N/A N/A 50.370 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 -2.153 -0.228 0.210 - - - 1.19e-02 -1.90e-03 1.84e-03 48.660 57 CPL -1.636 -0.597 0.990 29.095 -25.429 -29.095 2.40e-02 N/A N/A 47.520 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 1.02e-07 1.31e-07 1.23e-07 2.05e-07 4.25e-07 5.61e-07 erg/cm2 90%_error_low -1.37e-08 -1.31e-08 -2.21e-08 -6.40e-08 -5.05e-08 -9.18e-08 erg/cm2 90%_error_hi 1.40e-08 1.31e-08 2.27e-08 8.12e-08 5.16e-08 1.05e-07 erg/cm2 Peak flux PL 9.24e-01 6.34e-01 2.85e-01 1.78e-01 1.93e+00 2.02e+00 ph/cm2/s 90%_error_low -1.42e-01 -7.40e-02 -5.82e-02 -6.00e-02 -2.21e-01 -2.33e-01 ph/cm2/s 90%_error_hi 1.45e-01 7.37e-02 5.92e-02 7.54e-02 2.21e-01 2.33e-01 ph/cm2/s Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2 90%_error_low -1.37e-08 -1.31e-08 -2.21e-08 -6.40e-08 -5.05e-08 -9.18e-08 erg/cm2 90%_error_hi 1.40e-08 1.31e-08 2.27e-08 8.12e-08 5.16e-08 1.05e-07 erg/cm2 Peak flux CPL 8.85e-01 6.76e-01 2.84e-01 8.90e-02 1.91e+00 1.93e+00 ph/cm2/s 90%_error_low -1.59e-01 -9.48e-02 -6.62e-02 -8.90e-02 -2.24e-01 -2.38e-01 ph/cm2/s 90%_error_hi 1.57e-01 1.03e-01 6.42e-02 1.72e-01 2.24e-01 2.57e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 87.5672 14.4709 0.0125 22.9651 -82.6553 0.8141038 15.334 TRIG_00556344 Foreground time interval of the image: -0.644 12.640 (delta_t = 13.284 [sec]) Background time interval of the image: -210.659 -0.644 (delta_t = 210.015 [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 -0.644 sec. to 12.640 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.08788 ( -0.198462 0.187755 ) Norm@50keV : 3.44525E-03 ( -0.000457922 0.000447201 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.70 using 59 PHA bins. # Reduced chi-squared = 0.8895 for 57 degrees of freedom # Null hypothesis probability = 7.089609e-01 Photon flux (15-150 keV) in 13.28 sec: 0.538853 ( -0.052789 0.052796 ) ph/cm2/s Energy fluence (15-150 keV) : 4.24686e-07 ( -5.05086e-08 5.15779e-08 ) ergs/cm2
Time interval is from -0.644 sec. to 12.640 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.86177 ( -0.216086 0.769823 ) Epeak [keV] : 24.9544 ( ) Norm@50keV : 4.68165E-03 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.37 using 59 PHA bins. # Reduced chi-squared = 0.8994 for 56 degrees of freedom # Null hypothesis probability = 6.871255e-01 Photon flux (15-150 keV) in 13.28 sec: 0.534402 ( -0.054324 0.053944 ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
Time interval is from -0.136 sec. to 0.864 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.15322 ( -0.228189 0.210152 ) Norm@50keV : 1.19360E-02 ( -0.00189673 0.00184138 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 48.66 using 59 PHA bins. # Reduced chi-squared = 0.8537 for 57 degrees of freedom # Null hypothesis probability = 7.762194e-01 Photon flux (15-150 keV) in 1 sec: 1.92890 ( -0.2211 0.22112 ) ph/cm2/s Energy fluence (15-150 keV) : 1.11563e-07 ( -1.54549e-08 1.57492e-08 ) ergs/cm2
Time interval is from -0.136 sec. to 0.864 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.63596 ( -0.596757 0.990136 ) Epeak [keV] : 29.0950 ( -25.428 -29.0944 ) Norm@50keV : 2.40163E-02 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 47.52 using 59 PHA bins. # Reduced chi-squared = 0.8486 for 56 degrees of freedom # Null hypothesis probability = 7.828199e-01 Photon flux (15-150 keV) in 1 sec: 1.90568 ( -0.22414 0.22412 ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
T90 = 10.956 sec. Hardness ratio (energy fluence ratio) = 0.940936426609
S(15-50 keV) = 2.327575e-07 S(50-150 keV) = 1.9193068e-07
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 = 5.417203364954370E-02, IMY = 4.202798181786878E-01
Time interval of the image: -210.659410 -0.644000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6366 22.0178 0.4 31.0 -77.3 8.5240 28.9 0.3 Crab 126.4361 -25.7633 2.9 32.3 99.5 1.4378 4.0 ------ UNKNOWN 80.2897 -49.3385 2.7 51.2 159.7 4.0091 4.3 ------ UNKNOWN 128.0260 49.1245 3.0 55.5 -20.3 2.4155 3.9 ------ UNKNOWN 111.5837 53.0211 2.3 55.6 -33.7 5.6750 4.9 ------ UNKNOWN 55.9775 -0.9222 2.3 47.6 -128.8 4.2925 4.9 ------ UNKNOWN
Time interval of the image: -0.644000 12.640000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.5246 21.9261 3.8 31.0 -77.6 0.2038 3.0 8.0 Crab 137.2958 -12.4180 2.6 35.0 69.2 0.3945 4.4 ------ UNKNOWN 149.7731 10.5896 2.5 47.7 34.0 0.6301 4.7 ------ UNKNOWN 99.5743 -43.9954 2.7 42.0 144.7 0.4354 4.4 ------ UNKNOWN 87.5671 14.4708 0.7 23.0 -82.7 0.8138 15.3 ------ UNKNOWN
Time interval of the image: 153.740600 334.540600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 16.7415 55.4782 2.6 50.7 -44.5 3.8282 4.4 ------ UNKNOWN