====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sun Jan 12 23:46:54 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger536831 ====================================================================== Trigger: 00536831 Segment: 000 BAT Trigger Time: 373015959.552 [s; MET] Trigger Stop: 373015960.576 [s; MET] UTC: 2012-10-27T07:32:29.746680 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 63.6104836572932 Dec: -58.8014814868824 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.88 Image Trigger?: NO Rate S/N Ratio: 13.8202749610853 [ if not an image trigger ] Image S/N Ratio: 7.88 Analysis Position: [ source = BAT ] RA: 63.6104836572932 Dec: -58.8014814868824 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 63.5952048806683 Dec: -58.8334460657927 [deg; J2000] { 04h 14m 22.8s , -58d 50' 00.4" } +/- 0.908337518372024 [arcmin] (estimated 90% radius based on SNR) +/- 0.318947753563983 [arcmin] (formal 1-sigma fit error) SNR: 34.8951574009833 Angular difference between the analysis and refined position is 1.975737 arcmin Partial Coding Fraction: 0.8046875 [ including projection effects ] Duration T90: 80.0879999399185 +/- 40.7568951405407 Measured from: -4.54799997806549 to: 75.539999961853 [s; relative to TRIGTIME] T50: 39.9239999651909 +/- 6.52294532357254 Measured from: 3.37999999523163 to: 43.3039999604225 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 2 to: 3 [s; relative to TRIGTIME] Total Fluence Measured from: -9.33999997377396 to: 135.356000006199 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 1.355095 1.537651 0.921238 0.205047 0.066073 0.068031 0.059614 0.051341 [error] Peak 0.058193 0.057845 0.035330 0.013256 0.006494 0.006802 0.006068 0.004820 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 144.696 -9.340 135.356 T90 80.088 -4.548 75.540 T50 39.924 3.380 43.304 Peak 1.000 2.000 3.000 ====== 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 -1.813 -0.103 0.102 - - - 1.65e-03 -9.92e-05 9.83e-05 45.290 57 CPL -1.580 -0.341 0.413 82.462 -32.413 -82.462 2.20e-03 -6.27e-04 1.43e-03 44.200 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 -1.667 -0.246 0.239 - - - 9.85e-03 -1.40e-03 1.36e-03 57.560 57 CPL -1.680 -0.234 0.274 9999.350 -9999.340 -9999.350 9.82e-03 -8.35e-03 -2.73e-03 57.580 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 4.10e-07 6.23e-07 7.09e-07 1.54e-06 2.20e-06 3.28e-06 erg/cm2 90%_error_low -3.52e-08 -3.33e-08 -5.85e-08 -2.51e-07 -1.34e-07 -3.06e-07 erg/cm2 90%_error_hi 3.60e-08 3.33e-08 5.88e-08 2.83e-07 1.35e-07 3.31e-07 erg/cm2 Peak flux PL 4.76e-01 4.34e-01 2.73e-01 2.63e-01 1.29e+00 1.45e+00 ph/cm2/s 90%_error_low -9.66e-02 -5.51e-02 -5.17e-02 -8.88e-02 -1.62e-01 -1.84e-01 ph/cm2/s 90%_error_hi 1.01e-01 5.48e-02 5.13e-02 1.14e-01 1.62e-01 1.86e-01 ph/cm2/s Fluence CPL 4.19e-07 5.66e-07 5.88e-07 1.37e-06 1.95e-06 2.70e-06 erg/cm2 90%_error_low -4.01e-08 -5.26e-08 -5.82e-08 -8.11e-07 -1.75e-07 N/A erg/cm2 90%_error_hi 2.55e-08 2.53e-08 5.35e-08 2.46e-07 1.70e-07 N/A erg/cm2 Peak flux CPL 4.39e-01 3.37e-01 1.81e-01 1.67e-01 1.02e+00 1.12e+00 ph/cm2/s 90%_error_low -1.17e-01 -8.42e-02 -2.70e-02 -4.14e-02 -2.45e-01 -2.18e-01 ph/cm2/s 90%_error_hi 1.05e-01 6.63e-02 2.54e-02 3.29e-02 1.91e-01 1.77e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 63.5952 -58.8334 0.0055 23.6638 156.4310 2.0164599 34.895 TRIG_00536831 Foreground time interval of the image: -9.340 11.749 (delta_t = 21.089 [sec]) Background time interval of the image: -239.552 -9.340 (delta_t = 230.212 [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 -9.340 sec. to 135.356 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.8133 ( -0.103223 0.101532 ) Norm@50keV : 1.65202E-03 ( -9.91706e-05 9.82527e-05 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 45.29 using 59 PHA bins. # Reduced chi-squared = 0.7946 for 57 degrees of freedom # Null hypothesis probability = 8.683033e-01 Photon flux (15-150 keV) in 144.7 sec: 0.228842 ( -0.01245 0.012467 ) ph/cm2/s Energy fluence (15-150 keV) : 2.20008e-06 ( -1.33942e-07 1.35147e-07 ) ergs/cm2
Time interval is from -9.340 sec. to 135.356 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.58021 ( -0.340545 0.41345 ) Epeak [keV] : 82.4624 ( -32.4126 -82.4625 ) Norm@50keV : 2.20385E-03 ( -0.000627014 0.00143364 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 44.20 using 59 PHA bins. # Reduced chi-squared = 0.7893 for 56 degrees of freedom # Null hypothesis probability = 8.728695e-01 Photon flux (15-150 keV) in 144.7 sec: 0.225775 ( -0.013385 0.013378 ) ph/cm2/s Energy fluence (15-150 keV) : 1.9459e-06 ( -1.75183e-07 1.69826e-07 ) ergs/cm2
Time interval is from 2.000 sec. to 3.000 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.66714 ( -0.24625 0.239154 ) Norm@50keV : 9.84652E-03 ( -0.00140378 0.00136352 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 57.56 using 59 PHA bins. # Reduced chi-squared = 1.010 for 57 degrees of freedom # Null hypothesis probability = 4.544195e-01 Photon flux (15-150 keV) in 1 sec: 1.29313 ( -0.16169 0.16178 ) ph/cm2/s Energy fluence (15-150 keV) : 9.14387e-08 ( -1.37407e-08 1.40048e-08 ) ergs/cm2
Time interval is from 2.000 sec. to 3.000 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.52496 ( -0.234668 0.2726 ) Epeak [keV] : 176.595 ( -9999.35 -9999.36 ) Norm@50keV : 3.61952E-03 ( -0.002152 0.00347226 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 55.04 using 59 PHA bins. # Reduced chi-squared = 0.9829 for 56 degrees of freedom # Null hypothesis probability = 5.111123e-01 Photon flux (15-150 keV) in 1 sec: 1.02380 ( -0.245255 0.19094 ) ph/cm2/s Energy fluence (15-150 keV) : 5.12366e-08 ( 0 0 ) ergs/cm2
T90 = 80.088 sec. Hardness ratio (energy fluence ratio) = 1.13820373186
S(15-50 keV) = 1.0324707e-06 S(50-150 keV) = 1.1676067e-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 = -4.016588797146752E-01, IMY = -1.752219331109239E-01
Time interval of the image: -239.552000 -9.340000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 35.3181 -49.3406 2.7 25.0 109.6 1.0001 4.3 ------ UNKNOWN 106.9755 -45.6353 2.0 48.1 -175.2 2.0386 5.8 ------ UNKNOWN 116.6008 -45.8831 3.3 50.5 -167.0 1.5673 3.5 ------ UNKNOWN 193.8585 -76.6885 2.7 31.0 -105.3 1.1198 4.3 ------ UNKNOWN 266.8881 -50.2341 3.1 47.4 -49.1 2.7053 3.7 ------ UNKNOWN
Time interval of the image: -9.340000 11.748590 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 18.0894 -60.2865 1.8 12.2 85.5 0.3537 6.3 ------ UNKNOWN 93.0072 -42.0901 2.3 47.2 170.4 0.6493 5.1 ------ UNKNOWN 63.5952 -58.8334 0.3 23.7 156.4 2.0162 34.9 ------ UNKNOWN 326.3690 -80.8268 3.0 13.2 -74.8 0.2009 3.8 ------ UNKNOWN
Time interval of the image: 56.548600 962.525900 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 135.6216 -40.5576 5.0 47.3 -137.4 3.5452 2.3 4.2 Vela X-1 304.6916 -62.9439 2.4 49.6 -26.6 5.3768 4.7 ------ UNKNOWN 136.4821 -85.4469 2.9 30.1 -66.8 2.9415 4.0 ------ UNKNOWN 127.5491 -20.9934 5.3 58.8 -159.2 9.0016 2.2 ------ UNKNOWN 129.2292 -37.8788 4.2 46.1 -144.9 3.1078 2.8 ------ UNKNOWN 297.8435 -54.1172 3.7 59.0 -24.4 13.4101 3.1 ------ UNKNOWN 295.0151 -58.0749 4.6 56.3 -28.3 6.8874 2.5 ------ UNKNOWN 135.9688 -30.5569 5.1 55.3 -145.3 10.7021 2.2 ------ UNKNOWN 141.9919 -43.1989 2.7 48.6 -130.3 9.8413 4.2 ------ UNKNOWN