====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Mon Jan 13 06:45:09 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger514767 ====================================================================== Trigger: 00514767 Segment: 000 BAT Trigger Time: 350785647.424 [s; MET] Trigger Stop: 350785648.448 [s; MET] UTC: 2012-02-13T00:27:19.539260 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 301.032042264378 Dec: 65.3975709325225 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 13.83 Image Trigger?: NO Rate S/N Ratio: 25.298221281347 [ if not an image trigger ] Image S/N Ratio: 13.83 Analysis Position: [ source = BAT ] RA: 301.032042264378 Dec: 65.3975709325225 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 300.991469250387 Dec: 65.4133757417132 [deg; J2000] { 20h 03m 58.0s , +65d 24' 48.2" } +/- 0.678940279349305 [arcmin] (estimated 90% radius based on SNR) +/- 0.171722481704201 [arcmin] (formal 1-sigma fit error) SNR: 52.8882244822193 Angular difference between the analysis and refined position is 1.387722 arcmin Partial Coding Fraction: 1.015625 [ including projection effects ] Duration T90: 41.0279999375343 +/- 12.7763865071505 Measured from: -3.432000041008 to: 37.5959998965263 [s; relative to TRIGTIME] T50: 15.391999900341 +/- 1.42056326353137 Measured from: 2.14800000190735 to: 17.5399999022484 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 5.4439999461174 to: 6.4439999461174 [s; relative to TRIGTIME] Total Fluence Measured from: -6.31200003623962 to: 74.4599999785423 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 1.825814 1.558213 0.559263 0.133213 0.045415 0.045410 0.038542 0.032944 [error] Peak 0.090527 0.081388 0.035815 0.006180 0.005770 0.005709 0.004581 0.003691 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 80.772 -6.312 74.460 T90 41.028 -3.432 37.596 T50 15.392 2.148 17.540 Peak 1.000 5.444 6.444 ====== 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 -2.372 -0.091 0.089 - - - 2.38e-03 -1.28e-04 1.27e-04 64.420 57 CPL -1.866 -0.147 0.458 10.651 -8.718 14.801 4.64e-03 -1.14e-03 3.85e-03 59.490 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 -2.089 -0.160 0.154 - - - 1.11e-02 -1.16e-03 1.14e-03 50.850 57 CPL -1.994 1.994 1.994 2.673 -1.690 -2.673 1.27e-02 N/A N/A 50.790 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 5.60e-07 6.08e-07 4.70e-07 5.95e-07 1.86e-06 2.23e-06 erg/cm2 90%_error_low -3.55e-08 -2.43e-08 -3.57e-08 -8.72e-08 -8.00e-08 -1.26e-07 erg/cm2 90%_error_hi 3.63e-08 2.43e-08 3.63e-08 9.75e-08 8.05e-08 1.33e-07 erg/cm2 Peak flux PL 8.09e-01 5.76e-01 2.71e-01 1.79e-01 1.74e+00 1.84e+00 ph/cm2/s 90%_error_low -9.33e-02 -4.58e-02 -3.73e-02 -4.33e-02 -1.39e-01 -1.46e-01 ph/cm2/s 90%_error_hi 9.53e-02 4.57e-02 3.79e-02 5.14e-02 1.39e-01 1.46e-01 ph/cm2/s Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2 90%_error_low -3.55e-08 -2.43e-08 -3.57e-08 -8.72e-08 -8.00e-08 -1.26e-07 erg/cm2 90%_error_hi 3.63e-08 2.43e-08 3.63e-08 9.75e-08 8.05e-08 1.33e-07 erg/cm2 Peak flux CPL 8.08e-01 5.78e-01 2.71e-01 1.80e-01 1.74e+00 1.83e+00 ph/cm2/s 90%_error_low -1.08e-01 -5.79e-02 -3.79e-02 -2.83e-02 -1.39e-01 -1.37e-01 ph/cm2/s 90%_error_hi 1.01e-01 4.40e-02 3.89e-02 5.98e-02 1.45e-01 1.59e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 300.9915 65.4134 0.0036 5.7933 130.7037 2.5913021 52.888 TRIG_00514767 Foreground time interval of the image: -6.312 12.277 (delta_t = 18.589 [sec]) Background time interval of the image: -239.424 -6.312 (delta_t = 233.112 [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 -6.312 sec. to 74.460 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.37235 ( -0.0908053 0.088877 ) Norm@50keV : 2.37752E-03 ( -0.000127864 0.000126755 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 64.42 using 59 PHA bins. # Reduced chi-squared = 1.130 for 57 degrees of freedom # Null hypothesis probability = 2.329849e-01 Photon flux (15-150 keV) in 80.77 sec: 0.432941 ( -0.018579 0.018659 ) ph/cm2/s Energy fluence (15-150 keV) : 1.86222e-06 ( -8.00431e-08 8.05472e-08 ) ergs/cm2
Time interval is from -6.312 sec. to 74.460 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.86646 ( -0.146779 0.457726 ) Epeak [keV] : 10.6514 ( -8.71786 14.8006 ) Norm@50keV : 4.64449E-03 ( -0.00113814 0.00384625 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 59.49 using 59 PHA bins. # Reduced chi-squared = 1.062 for 56 degrees of freedom # Null hypothesis probability = 3.499159e-01 Photon flux (15-150 keV) in 80.77 sec: 0.417785 ( -0.021973 0.020462 ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
Time interval is from 5.444 sec. to 6.444 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.0889 ( -0.160171 0.153965 ) Norm@50keV : 1.11339E-02 ( -0.00116438 0.00114206 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.85 using 59 PHA bins. # Reduced chi-squared = 0.8921 for 57 degrees of freedom # Null hypothesis probability = 7.037504e-01 Photon flux (15-150 keV) in 1 sec: 1.74226 ( -0.13904 0.13911 ) ph/cm2/s Energy fluence (15-150 keV) : 1.03357e-07 ( -9.7173e-09 9.87782e-09 ) ergs/cm2
Time interval is from 5.444 sec. to 6.444 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.99371 ( 1.99371 1.99371 ) Epeak [keV] : 2.67278 ( -1.69161 -2.67438 ) Norm@50keV : 1.26772E-02 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 50.79 using 59 PHA bins. # Reduced chi-squared = 0.9070 for 56 degrees of freedom # Null hypothesis probability = 6.717626e-01 Photon flux (15-150 keV) in 1 sec: 1.73991 ( -0.13925 0.1452 ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
T90 = 41.028 sec. Hardness ratio (energy fluence ratio) = 0.772555995458
S(15-50 keV) = 1.1686165e-06 S(50-150 keV) = 6.936045e-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 = -6.616570248434049E-02, IMY = -7.691472735699574E-02
Time interval of the image: -239.424000 -6.312000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 254.5093 35.4545 8.1 36.5 0.2 0.3238 1.4 7.2 Her X-1 299.5651 35.2071 0.8 24.8 -72.4 2.9489 14.3 1.3 Cyg X-1 308.0724 40.9445 1.1 20.3 -92.2 2.1085 10.6 1.8 Cyg X-3 326.0378 38.4359 3.7 28.3 -120.7 0.6383 3.1 9.3 Cyg X-2 256.8352 42.3730 3.1 29.9 5.2 0.6749 3.7 ------ UNKNOWN 342.2834 27.2205 2.8 44.9 -130.8 1.8627 4.1 ------ UNKNOWN
Time interval of the image: -6.312000 12.276600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 254.4518 35.1744 64.3 36.7 -0.0 -0.0126 -0.2 10.1 Her X-1 299.5085 35.1274 764.5 24.9 -72.2 -0.0009 -0.0 6.0 Cyg X-1 308.2299 41.1013 9.3 20.1 -92.7 0.0684 1.2 10.4 Cyg X-3 326.0485 38.4617 4.1 28.3 -120.8 -0.1776 -2.8 10.2 Cyg X-2 300.9915 65.4134 0.2 5.8 130.7 2.5914 52.9 ------ UNKNOWN
Time interval of the image: 37.676600 962.648000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 254.4893 35.4049 11.9 40.5 0.3 0.6850 1.0 4.1 Her X-1 299.5857 35.2170 0.8 30.2 -62.9 8.9550 13.7 0.9 Cyg X-1 308.1302 40.9803 0.8 24.7 -78.2 8.3939 14.9 1.9 Cyg X-3 326.0064 38.2893 3.3 30.7 -105.7 2.1401 3.5 8.0 Cyg X-2 261.7763 31.2312 3.1 41.6 -10.8 2.3070 3.7 ------ UNKNOWN 274.7038 14.1014 3.4 54.3 -33.3 7.5217 3.4 ------ UNKNOWN