====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Wed Jun 24 00:37:32 EDT 2015 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger252588 ====================================================================== Trigger: 00252588 Segment: 000 BAT Trigger Time: 188450933.76 [s; MET] Trigger Stop: 188450937.856 [s; MET] UTC: 2006-12-22T03:28:52.110840 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 358.243358155449 Dec: 46.5262619462849 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.21 Image Trigger?: NO Rate S/N Ratio: 13.3790881602597 [ if not an image trigger ] Image S/N Ratio: 7.21 Analysis Position: [ source = BAT ] RA: 358.243358155449 Dec: 46.5262619462849 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 358.237373942495 Dec: 46.5158302015211 [deg; J2000] { 23h 52m 57.0s , +46d 30' 57.0" } +/- 1.56229441093894 [arcmin] (estimated 90% radius based on SNR) +/- 0.556574715650855 [arcmin] (formal 1-sigma fit error) SNR: 16.0810449912385 Angular difference between the analysis and refined position is 0.672901 arcmin Partial Coding Fraction: 0.703125 [ including projection effects ] Duration T90: 100 +/- 12.1655250605964 Measured from: -4.75999999046326 to: 95.2400000095367 [s; relative to TRIGTIME] T50: 29 +/- 1 Measured from: 59.2400000095367 to: 88.2400000095367 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 86.2400000095367 to: 87.2400000095367 [s; relative to TRIGTIME] Total Fluence Measured from: -98.7599999904633 to: 117.240000009537 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 3.268251 4.724640 4.007228 1.124115 0.079271 0.083356 0.074353 0.062220 [error] Peak 0.160070 0.332253 0.388398 0.125317 0.007018 0.008908 0.009644 0.006824 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 216.000 -98.760 117.240 T90 100.000 -4.760 95.240 T50 29.000 59.240 88.240 Peak 1.000 86.240 87.240 ====== 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 -1.331 -0.043 0.043 - - - 4.02e-03 -8.89e-05 8.89e-05 50.380 57 CPL -1.275 -0.074 0.149 691.353 -434.505 -691.353 4.25e-03 -2.96e-04 6.29e-04 50.510 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 -0.886 -0.051 0.051 - - - 6.59e-02 -1.97e-03 1.96e-03 66.980 57 CPL -0.487 -0.207 0.217 225.828 -58.494 169.316 9.78e-02 -1.77e-02 2.26e-02 55.710 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 9.46e-07 1.93e-06 3.06e-06 1.08e-05 8.51e-06 1.68e-05 erg/cm2 90%_error_low -4.51e-08 -5.31e-08 -7.85e-08 -6.51e-07 -1.96e-07 -6.83e-07 erg/cm2 90%_error_hi 4.61e-08 5.29e-08 7.83e-08 6.81e-07 1.96e-07 7.08e-07 erg/cm2 Peak flux PL 6.83e-04 1.03e-02 8.96e-02 1.03e+01 3.97e-01 1.01e+01 ph/cm2/s 90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s 90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s Fluence CPL 8.35e-07 1.93e-06 3.07e-06 1.08e-05 8.49e-06 1.62e-05 erg/cm2 90%_error_low -5.69e-08 -5.62e-08 -8.49e-08 -2.44e-06 -2.12e-07 -1.87e-06 erg/cm2 90%_error_hi 3.62e-08 5.20e-08 9.40e-08 4.02e-07 2.06e-07 7.66e-07 erg/cm2 Peak flux CPL 1.35e+00 2.23e+00 2.50e+00 3.30e+00 7.45e+00 9.38e+00 ph/cm2/s 90%_error_low -1.18e-01 -8.79e-02 -9.65e-02 -5.54e-01 -2.31e-01 -5.98e-01 ph/cm2/s 90%_error_hi 1.21e-01 8.82e-02 9.73e-02 6.97e-01 2.32e-01 7.21e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 358.2374 46.5158 0.0119 28.0611 -136.1159 2.4645439 16.081 TRIG_00252588 Foreground time interval of the image: -98.760 37.141 (delta_t = 135.901 [sec]) Background time interval of the image: -239.760 -98.760 (delta_t = 141.000 [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 -98.760 sec. to 117.240 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.33102 ( -0.0428468 0.0429588 ) Norm@50keV : 4.01615E-03 ( -8.8938e-05 8.8881e-05 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.38 using 59 PHA bins. # Reduced chi-squared = 0.8838 for 57 degrees of freedom # Null hypothesis probability = 7.199914e-01 Photon flux (15-150 keV) in 216 sec: 0.481989 ( -0.011889 0.011943 ) ph/cm2/s Energy fluence (15-150 keV) : 8.51027e-06 ( -1.96007e-07 1.96433e-07 ) ergs/cm2
Time interval is from -98.760 sec. to 117.240 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.27485 ( -0.0588818 0.164032 ) Epeak [keV] : 691.353 ( -741.179 -998.027 ) Norm@50keV : 4.24954E-03 ( -0.000231249 0.000693485 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.51 using 59 PHA bins. # Reduced chi-squared = 0.9020 for 56 degrees of freedom # Null hypothesis probability = 6.818482e-01 Photon flux (15-150 keV) in 216 sec: 0.480996 ( -0.013916 0.013003 ) ph/cm2/s Energy fluence (15-150 keV) : 8.48856e-06 ( -2.11738e-07 2.0572e-07 ) ergs/cm2
Time interval is from 86.240 sec. to 87.240 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.885543 ( -0.050904 0.0512418 ) Norm@50keV : 6.58759E-02 ( -0.00196551 0.0019629 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 66.98 using 59 PHA bins. # Reduced chi-squared = 1.175 for 57 degrees of freedom # Null hypothesis probability = 1.718401e-01 Photon flux (15-150 keV) in 1 sec: 0.397252 ( ) ph/cm2/s Energy fluence (15-150 keV) : 7.43567e-07 ( -2.39026e-08 2.39359e-08 ) ergs/cm2
Time interval is from 86.240 sec. to 87.240 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.486808 ( -0.206963 0.217109 ) Epeak [keV] : 225.828 ( -58.4936 169.316 ) Norm@50keV : 9.78266E-02 ( -0.0177129 0.0226399 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 55.71 using 59 PHA bins. # Reduced chi-squared = 0.9948 for 56 degrees of freedom # Null hypothesis probability = 4.858729e-01 Photon flux (15-150 keV) in 1 sec: 7.45438 ( -0.2315 0.2316 ) ph/cm2/s Energy fluence (15-150 keV) : 7.32656e-07 ( -2.50036e-08 2.49441e-08 ) ergs/cm2
T90 = 100.0 sec. Hardness ratio (energy fluence ratio) = 1.58997390557
S(15-50 keV) = 2.8728883e-06 S(50-150 keV) = 5.637449e-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 = -3.842128353345811E-01, IMY = 3.695306085312690E-01
Time interval of the image: -239.760000 -98.760000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 1.8210 11.5445 2.2 57.0 -167.4 2.0990 5.2 ------ UNKNOWN 355.4036 26.3389 3.3 46.0 -152.5 0.6926 3.5 ------ UNKNOWN 253.9772 68.0956 3.0 48.4 -50.0 1.7795 3.9 ------ UNKNOWN
Time interval of the image: -98.760000 37.140590 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 13.6422 15.2657 2.2 49.8 -179.5 1.5380 5.2 ------ UNKNOWN 358.2374 46.5158 0.7 28.1 -136.1 2.4644 16.1 ------ UNKNOWN 351.0864 33.1836 2.3 42.0 -142.8 1.2329 5.0 ------ UNKNOWN 350.5586 20.1603 2.9 53.5 -151.1 1.9174 3.9 ------ UNKNOWN
Time interval of the image: 89.940590 482.303700 540.240000 962.293000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 308.0810 41.1625 27.9 35.9 -62.0 -0.3053 -0.4 12.7 Cyg X-3 326.1993 38.2788 4.7 24.8 -79.9 1.3884 2.5 2.9 Cyg X-2 248.8050 75.8802 3.5 49.6 0.3 2.6925 3.3 ------ UNKNOWN 358.2439 46.4906 1.7 0.0 -177.1 2.5645 6.8 ------ UNKNOWN 343.0783 -5.7543 3.8 54.0 -143.3 7.8668 3.1 ------ UNKNOWN