====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sat May 9 19:14:39 EDT 2015 Host Name: bat1 Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger317508 ====================================================================== Trigger: 00317508 Segment: 000 BAT Trigger Time: 238328719.936 [s; MET] Trigger Stop: 238328720.96 [s; MET] UTC: 2008-07-21T10:25:16.978500 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 224.47075880868 Dec: -11.7121266536717 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 10.24 Image Trigger?: NO Rate S/N Ratio: 142.337626789265 [ if not an image trigger ] Image S/N Ratio: 10.24 Analysis Position: [ source = BAT ] RA: 224.47075880868 Dec: -11.7121266536717 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: Dec: [deg; J2000] { 00h 00m 00.0s , +00d 00' 00.0" } +/- -inf [arcmin] (estimated 90% radius based on SNR) +/- 0 [arcmin] (formal 1-sigma fit error) SNR: Angular difference between the analysis and refined position is -2740.388722 arcmin Partial Coding Fraction: 0.04394531 [ including projection effects ] Duration T90: 129.695999979973 +/- 114.470290030809 Measured from: -8.08799999952316 to: 121.60799998045 [s; relative to TRIGTIME] T50: 6.89599996805191 +/- 0.780727867064375 Measured from: -0.375999987125397 to: 6.51999998092651 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -0.148000001907349 to: 0.851999998092651 [s; relative to TRIGTIME] Total Fluence Measured from: -10.2479999959469 to: 360.136000007391 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 3.654342 6.048077 7.199913 3.491226 0.260601 0.270167 0.264350 0.231941 [error] Peak 0.406318 0.668043 0.950865 0.544658 0.048430 0.062307 0.071587 0.063550 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 370.384 -10.248 360.136 T90 129.696 -8.088 121.608 T50 6.896 -0.376 6.520 Peak 1.000 -0.148 0.852 ====== 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 -1.125 -0.077 0.078 - - - 4.03e-03 -1.77e-04 1.77e-04 48.080 57 CPL -1.120 -0.078 0.093 9998.140 -9998.140 -9998.140 4.05e-03 -1.75e-04 9.40e-04 48.100 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 -0.995 -0.145 0.148 - - - 1.78e-01 -1.52e-02 1.51e-02 62.790 57 CPL -0.988 -0.147 0.541 9997.990 -9997.990 -9997.990 1.79e-01 -1.51e-02 1.18e-01 62.800 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 1.34e-06 3.10e-06 5.69e-06 2.49e-05 1.55e-05 3.51e-05 erg/cm2 90%_error_low -1.27e-07 -1.77e-07 -2.52e-07 -2.53e-06 -6.58e-07 -2.61e-06 erg/cm2 90%_error_hi 1.32e-07 1.76e-07 2.51e-07 2.73e-06 6.58e-07 2.77e-06 erg/cm2 Peak flux PL 1.32e-03 1.49e-02 1.59e-01 1.25e+01 7.11e-01 1.26e+01 ph/cm2/s 90%_error_low -5.92e-04 -5.91e-03 -5.73e-02 -3.66e+00 -2.51e-01 -3.71e+00 ph/cm2/s 90%_error_hi 2.34e-03 2.29e-02 1.94e-01 9.63e+00 7.53e-01 9.86e+00 ph/cm2/s Fluence CPL 1.35e-06 3.10e-06 5.64e-06 2.53e-05 1.55e-05 3.44e-05 erg/cm2 90%_error_low N/A -1.89e-07 -2.22e-07 -6.30e-06 -9.83e-07 -5.20e-06 erg/cm2 90%_error_hi N/A 1.79e-07 3.44e-07 8.72e-07 6.79e-07 3.23e-06 erg/cm2 Peak flux CPL 4.58e+00 6.16e+00 6.17e+00 1.14e+01 2.05e+01 2.80e+01 ph/cm2/s 90%_error_low N/A -6.36e-01 -5.32e-01 -5.24e+00 -1.85e+00 -4.64e+00 ph/cm2/s 90%_error_hi N/A 6.33e-01 3.68e-01 2.52e+00 1.82e+00 2.33e+00 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 224.4774 -11.7086 0.0068 56.5228 3.2412 16.9051805 28.470 TRIG_00317508 Foreground time interval of the image: -9.516 14.965 (delta_t = 24.481 [sec]) Background time interval of the image: -677.935 -668.876 (delta_t = 9.059 [sec]) -239.936 -9.516 (delta_t = 230.420 [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 -10.248 sec. to 360.136 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.12523 ( -0.0774632 0.0783322 ) Norm@50keV : 4.02609E-03 ( -0.000177428 0.000176555 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 48.08 using 59 PHA bins. # Reduced chi-squared = 0.8434 for 57 degrees of freedom # Null hypothesis probability = 7.940528e-01 Photon flux (15-150 keV) in 370.4 sec: 0.468208 ( -0.022143 0.022244 ) ph/cm2/s Energy fluence (15-150 keV) : 1.547e-05 ( -6.58108e-07 6.58375e-07 ) ergs/cm2
Time interval is from -10.248 sec. to 360.136 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.11971 ( -0.0779692 0.09351 ) Epeak [keV] : 9998.14 ( -9998.34 -9998.34 ) Norm@50keV : 4.04705E-03 ( -0.000175046 0.000940077 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 48.10 using 59 PHA bins. # Reduced chi-squared = 0.8590 for 56 degrees of freedom # Null hypothesis probability = 7.644274e-01 Photon flux (15-150 keV) in 370.4 sec: 0.470585 ( -0.026067 0.021686 ) ph/cm2/s Energy fluence (15-150 keV) : 1.5495e-05 ( -9.82856e-07 6.7878e-07 ) ergs/cm2
Time interval is from -0.148 sec. to 0.852 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.994738 ( -0.145464 0.147903 ) Norm@50keV : 0.177852 ( -0.0152289 0.0151367 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 62.79 using 59 PHA bins. # Reduced chi-squared = 1.102 for 57 degrees of freedom # Null hypothesis probability = 2.785973e-01 Photon flux (15-150 keV) in 1 sec: 0.711033 ( -0.250754 0.753297 ) ph/cm2/s Energy fluence (15-150 keV) : 1.92699e-06 ( -1.69026e-07 1.69487e-07 ) ergs/cm2
Time interval is from -0.148 sec. to 0.852 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -0.988401 ( -0.146791 0.540612 ) Epeak [keV] : 9997.99 ( -9998.38 -9998.38 ) Norm@50keV : 0.178933 ( -0.0150578 0.118125 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 62.80 using 59 PHA bins. # Reduced chi-squared = 1.121 for 56 degrees of freedom # Null hypothesis probability = 2.480309e-01 Photon flux (15-150 keV) in 1 sec: 20.4876 ( -1.8471 1.817 ) ph/cm2/s Energy fluence (15-150 keV) : 1.92832e-06 ( -1.92679e-07 1.40201e-07 ) ergs/cm2
T90 = 129.696 sec. Hardness ratio (energy fluence ratio) = 1.83374977251
S(15-50 keV) = 4.446459e-06 S(50-150 keV) = 1.1023405e-05
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 = 1.509720641894637E+00, IMY = -8.549460310624656E-02
Time interval of the image: -677.935400 -668.876000 -239.936000 -10.248000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 186.8652 -62.7994 7.6 35.0 -76.8 0.8042 1.5 6.0 GX 301-2 244.9629 -15.6402 0.8 46.5 25.9 8.9276 15.1 1.0 Sco X-1 255.9811 -37.8485 0.5 22.8 34.7 5.0467 22.8 0.4 4U 1700-377 256.3410 -36.4517 3.7 24.1 36.1 0.7047 3.1 4.9 GX 349+2 263.0255 -24.9221 0.0 35.1 50.0 0.4888 1.2 10.6 GX 1+4 264.7037 -44.4669 4.2 15.5 53.0 0.5519 2.8 2.0 4U 1735-44 270.3451 -25.0236 4.4 35.2 61.5 1.1598 2.6 4.7 GX 5-1 270.0960 -25.8016 4.5 34.4 61.2 -1.0835 -2.5 11.7 GRS 1758-258 275.8665 -30.3559 4.0 30.6 71.8 1.0912 2.8 3.1 H1820-303 285.1613 -24.9186 6.0 37.9 83.7 1.3780 1.9 6.8 HT1900.1-2455 262.9671 -33.6441 0.0 26.3 49.4 0.5271 1.9 11.5 GX 354-0 305.2154 -47.6172 2.4 26.5 132.8 1.2985 4.9 ------ UNKNOWN 231.2783 -27.0135 2.2 39.9 2.8 1.6837 5.2 ------ UNKNOWN 191.6758 -36.4409 3.5 50.7 -44.6 4.2154 3.3 ------ UNKNOWN 173.0729 -61.2859 2.6 41.1 -80.9 4.7605 4.5 ------ UNKNOWN
Time interval of the image: -10.248000 14.964600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 186.8312 -62.7795 4.5 35.0 -76.7 0.3570 2.6 4.8 GX 301-2 244.8365 -15.6524 6.9 46.5 25.8 -0.4899 -1.7 8.3 Sco X-1 255.8560 -37.9427 38.5 22.7 34.4 -0.0275 -0.3 8.6 4U 1700-377 256.4457 -36.5399 27.0 24.0 36.3 0.0395 0.4 7.0 GX 349+2 263.2446 -24.7191 11.2 35.3 50.3 0.1763 1.0 12.9 GX 1+4 264.6888 -44.4711 13.4 15.5 52.9 -0.0765 -0.9 2.6 4U 1735-44 270.3565 -25.0150 4.2 35.2 61.5 -0.5334 -2.8 5.5 GX 5-1 270.1299 -25.7292 4.6 34.5 61.3 -0.4511 -2.5 9.4 GRS 1758-258 275.9251 -30.3675 584.2 30.6 71.9 0.0029 0.0 0.0 H1820-303 285.1955 -24.8908 6.3 37.9 83.7 -0.6330 -1.8 8.9 HT1900.1-2455 262.7762 -33.8838 22.9 26.1 49.1 -0.0544 -0.5 11.0 GX 354-0 257.7538 -11.9739 2.8 48.2 43.4 2.5605 4.1 ------ UNKNOWN 252.7535 -46.2811 2.3 15.3 20.3 0.3827 5.0 ------ UNKNOWN 224.4813 -11.7100 0.5 56.5 3.2 18.2891 21.7 ------ UNKNOWN 190.7758 -38.1413 2.4 49.8 -46.7 1.4263 4.7 ------ UNKNOWN
Time interval of the image: 96.364590 962.172500 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 186.6448 -62.7917 37.9 57.6 -178.5 1.0580 0.3 1.3 GX 301-2 244.9756 -15.6412 0.2 20.3 85.4 40.9608 54.1 0.2 Sco X-1 254.4427 35.5197 6.3 55.1 11.8 -5.1380 -1.8 10.7 Her X-1 256.0207 -37.8131 1.5 38.4 120.3 14.9629 7.8 2.5 4U 1700-377 256.4030 -36.4510 6.0 37.9 118.2 3.6001 1.9 2.3 GX 349+2 263.0096 -24.7459 35.4 38.7 97.2 0.7028 0.3 0.0 GX 1+4 265.3601 -1.4376 2.9 41.8 60.9 9.5776 4.0 ------ UNKNOWN 242.7188 -19.5134 2.9 19.2 98.1 2.7638 4.0 ------ UNKNOWN 248.5583 35.3279 2.2 52.3 7.0 9.2183 5.2 ------ UNKNOWN 234.3733 44.9999 3.8 57.5 -9.6 9.1353 3.0 ------ UNKNOWN 199.9721 33.2718 3.7 50.7 -44.5 13.1489 3.1 ------ UNKNOWN