====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Mon Jan 20 00:19:48 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger316910 ====================================================================== Trigger: 00316910 Segment: 000 BAT Trigger Time: 237750779.584 [s; MET] Trigger Stop: 237750780.608 [s; MET] UTC: 2008-07-14T17:52:56.643300 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 188.109331293591 Dec: -60.2785024938338 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 17.38 Image Trigger?: NO Rate S/N Ratio: 51.7783738639985 [ if not an image trigger ] Image S/N Ratio: 17.38 Analysis Position: [ source = BAT ] RA: 188.109331293591 Dec: -60.2785024938338 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 188.101375281327 Dec: -60.2747529368591 [deg; J2000] { 12h 32m 24.3s , -60d 16' 29.1" } +/- 0.861461306246883 [arcmin] (estimated 90% radius based on SNR) +/- 0.257156541387293 [arcmin] (formal 1-sigma fit error) SNR: 37.6390541267428 Angular difference between the analysis and refined position is 0.326544 arcmin Partial Coding Fraction: 0.4335938 [ including projection effects ] Duration T90: 25.8120000064373 +/- 5.11699909044548 Measured from: -2.53999999165535 to: 23.272000014782 [s; relative to TRIGTIME] T50: 9.32400000095367 +/- 1.05152078842441 Measured from: 0.0360000133514404 to: 9.36000001430511 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -0.343999981880188 to: 0.656000018119812 [s; relative to TRIGTIME] Total Fluence Measured from: -3.81199997663498 to: 32.2120000123978 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 1.008821 1.405352 1.197496 0.282227 0.050018 0.052532 0.046722 0.039284 [error] Peak 0.109304 0.170171 0.179631 0.072866 0.010167 0.011300 0.011174 0.008626 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 36.024 -3.812 32.212 T90 25.812 -2.540 23.272 T50 9.324 0.036 9.360 Peak 1.000 -0.344 0.656 ====== 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 -1.440 -0.077 0.077 - - - 7.38e-03 -3.06e-04 3.06e-04 57.950 57 CPL -1.266 -0.211 0.314 229.158 -229.158 -229.158 8.90e-03 -1.73e-03 3.45e-03 56.960 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 -1.109 -0.115 0.116 - - - 3.60e-02 -2.36e-03 2.36e-03 54.710 57 CPL -1.038 -0.176 0.381 768.251 -768.251 -768.251 3.88e-02 -4.97e-03 1.80e-02 54.750 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 3.21e-07 6.12e-07 9.02e-07 2.85e-06 2.55e-06 4.69e-06 erg/cm2 90%_error_low -2.54e-08 -2.87e-08 -4.70e-08 -3.22e-07 -1.14e-07 -3.53e-07 erg/cm2 90%_error_hi 2.61e-08 2.85e-08 4.68e-08 3.50e-07 1.15e-07 3.75e-07 erg/cm2 Peak flux PL 1.02e+00 1.30e+00 1.20e+00 1.96e+00 4.18e+00 5.48e+00 ph/cm2/s 90%_error_low -1.32e-01 -1.04e-01 -8.88e-02 -2.95e-01 -2.82e-01 -3.84e-01 ph/cm2/s 90%_error_hi 1.38e-01 1.03e-01 8.81e-02 3.27e-01 2.82e-01 3.89e-01 ph/cm2/s Fluence CPL 3.08e-07 6.19e-07 9.15e-07 2.24e-06 2.52e-06 4.08e-06 erg/cm2 90%_error_low -3.23e-08 -3.14e-08 -5.21e-08 -7.31e-07 -1.25e-07 -7.36e-07 erg/cm2 90%_error_hi 3.29e-08 3.18e-08 5.27e-08 8.60e-07 1.25e-07 7.36e-07 erg/cm2 Peak flux CPL 1.02e+00 1.30e+00 1.21e+00 1.91e+00 4.18e+00 5.46e+00 ph/cm2/s 90%_error_low -1.67e-01 -9.89e-02 -9.08e-02 -6.80e-01 -2.81e-01 -7.69e-01 ph/cm2/s 90%_error_hi 1.13e-01 1.11e-01 1.08e-01 2.93e-01 2.85e-01 3.77e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 188.1014 -60.2748 0.0051 31.6241 -66.3882 3.4022921 37.639 TRIG_00316910 Foreground time interval of the image: -3.812 14.117 (delta_t = 17.929 [sec]) Background time interval of the image: -239.584 -3.812 (delta_t = 235.772 [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 -3.812 sec. to 32.212 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.43978 ( -0.077068 0.0769673 ) Norm@50keV : 7.37970E-03 ( -0.00030614 0.00030601 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 57.95 using 59 PHA bins. # Reduced chi-squared = 1.017 for 57 degrees of freedom # Null hypothesis probability = 4.398941e-01 Photon flux (15-150 keV) in 36.02 sec: 0.907182 ( -0.040044 0.040146 ) ph/cm2/s Energy fluence (15-150 keV) : 2.54885e-06 ( -1.14381e-07 1.1472e-07 ) ergs/cm2
Time interval is from -3.812 sec. to 32.212 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.26608 ( -0.210551 0.313525 ) Epeak [keV] : 229.158 ( -229.154 -229.154 ) Norm@50keV : 8.89500E-03 ( -0.00173378 0.00345242 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 56.96 using 59 PHA bins. # Reduced chi-squared = 1.017 for 56 degrees of freedom # Null hypothesis probability = 4.392302e-01 Photon flux (15-150 keV) in 36.02 sec: 0.897223 ( -0.043226 0.043369 ) ph/cm2/s Energy fluence (15-150 keV) : 2.51984e-06 ( -1.25185e-07 1.24596e-07 ) ergs/cm2
Time interval is from -0.344 sec. to 0.656 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.10877 ( -0.114584 0.115813 ) Norm@50keV : 3.60351E-02 ( -0.00236084 0.00235861 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 54.71 using 59 PHA bins. # Reduced chi-squared = 0.9599 for 57 degrees of freedom # Null hypothesis probability = 5.613719e-01 Photon flux (15-150 keV) in 1 sec: 4.18345 ( -0.28196 0.28242 ) ph/cm2/s Energy fluence (15-150 keV) : 3.75751e-07 ( -2.70365e-08 2.71423e-08 ) ergs/cm2
Time interval is from -0.344 sec. to 0.656 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.10367 ( -0.17132 0.385218 ) Epeak [keV] : 9998.30 ( -9998.24 -9998.24 ) Norm@50keV : 3.62301E-02 ( -0.00236366 0.0205756 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 54.71 using 59 PHA bins. # Reduced chi-squared = 0.9770 for 56 degrees of freedom # Null hypothesis probability = 5.238146e-01 Photon flux (15-150 keV) in 1 sec: 4.18062 ( -0.28135 0.28493 ) ph/cm2/s Energy fluence (15-150 keV) : 3.75708e-07 ( -2.82439e-08 2.61938e-08 ) ergs/cm2
T90 = 25.812 sec. Hardness ratio (energy fluence ratio) = 1.47451768303
S(15-50 keV) = 9.323942e-07 S(50-150 keV) = 1.6164411e-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 = 2.466448305824361E-01, IMY = 5.642309913040295E-01
Time interval of the image: -239.584000 -3.812000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.6652 -60.6207 7.8 38.3 -75.8 1.0260 1.5 10.3 Cen X-3 186.5602 -62.6352 250.2 31.0 -71.0 0.0148 0.0 8.5 GX 301-2 244.9894 -15.6342 0.6 46.8 36.9 18.8057 20.1 0.7 Sco X-1 256.0042 -37.8490 1.2 23.9 51.2 2.3772 9.6 0.9 4U 1700-377 256.5692 -36.5144 3.0 25.2 52.3 1.0239 3.9 8.5 GX 349+2 263.1645 -24.7723 7.8 37.3 62.2 0.8661 1.5 8.6 GX 1+4 264.6318 -44.5598 5.3 17.8 71.4 0.4978 2.2 8.1 4U 1735-44 270.2039 -24.9667 5.9 37.9 72.6 1.3880 2.0 8.0 GX 5-1 270.4564 -25.7089 7.5 37.3 73.2 1.0007 1.5 8.6 GRS 1758-258 275.9870 -30.5503 0.0 33.7 83.3 -0.6321 -1.3 11.5 H1820-303 262.8904 -33.8327 7.6 28.2 63.4 0.4626 1.5 4.9 GX 354-0 218.8338 -31.1167 2.6 39.1 -3.9 1.2582 4.4 ------ UNKNOWN 220.3217 -34.0824 3.2 35.9 -4.4 0.9614 3.7 ------ UNKNOWN 194.1372 -36.3794 3.9 45.6 -34.0 1.3168 2.9 ------ UNKNOWN 182.5579 -36.8263 4.0 50.7 -44.5 3.6856 2.9 ------ UNKNOWN
Time interval of the image: -3.812000 14.116590 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.0042 -60.5917 31.3 38.6 -76.1 -0.0612 -0.4 9.4 Cen X-3 186.2684 -62.8696 6.0 31.0 -71.5 0.1743 1.9 12.2 GX 301-2 245.2132 -15.6486 0.0 46.8 37.1 -0.0282 -0.2 13.5 Sco X-1 256.1660 -37.8977 258.8 23.9 51.5 -0.0028 -0.0 9.1 4U 1700-377 256.6571 -36.3715 18.9 25.4 52.4 0.0408 0.6 11.1 GX 349+2 262.9182 -24.6460 6.1 37.4 61.8 -0.2500 -1.9 7.8 GX 1+4 264.8422 -44.6073 28.5 17.8 71.9 0.0226 0.4 10.3 4U 1735-44 270.4395 -25.0834 8.3 37.9 73.0 0.2154 1.4 8.4 GX 5-1 270.4198 -25.7124 13.6 37.2 73.1 -0.1213 -0.8 6.6 GRS 1758-258 275.8234 -30.2590 6.6 33.9 82.9 -0.1903 -1.8 8.3 H1820-303 262.9256 -33.9049 11.4 28.2 63.5 -0.0725 -1.0 5.3 GX 354-0 291.4856 -77.0582 2.8 19.0 -151.1 0.2094 4.1 ------ UNKNOWN 188.1013 -60.2747 0.3 31.6 -66.4 3.4025 37.3 ------ UNKNOWN 62.9163 -67.9480 2.5 49.9 -134.5 1.2040 4.5 ------ UNKNOWN
Time interval of the image: 68.916590 819.616600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.7384 -40.6398 0.0 37.3 -106.9 1.3190 1.0 10.8 Vela X-1 170.4711 -60.5334 2.9 8.7 -123.7 1.5978 4.0 7.1 Cen X-3 186.5749 -62.7416 2.3 2.6 172.1 2.3227 5.0 2.8 GX 301-2 201.4236 -43.0080 1.2 19.0 6.5 3.7776 9.3 ------ UNKNOWN 152.4309 -58.3121 1.3 18.1 -123.9 4.0670 8.8 ------ UNKNOWN