====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Sat Jan 11 23:15:45 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger570465 ====================================================================== Trigger: 00570465 Segment: 000 BAT Trigger Time: 400667708.956 [s; MET] Trigger Stop: 400667709.02 [s; MET] UTC: 2013-09-12T08:34:57.933280 [includes UTCF correction] Where From?: (*SHORT BURST*) TDRSS scaled map message BAT RA: 47.6148478284115 Dec: 13.9744257814072 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.18 Image Trigger?: NO Rate S/N Ratio: 46.2385120867876 [ if not an image trigger ] Image S/N Ratio: 7.18 Analysis Position: [ source = BAT ] RA: 47.6148478284115 Dec: 13.9744257814072 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 47.606543942408 Dec: 13.9984281667244 [deg; J2000] { 03h 10m 25.6s , +13d 59' 54.3" } +/- 1.64734215996842 [arcmin] (estimated 90% radius based on SNR) +/- 0.534050308930498 [arcmin] (formal 1-sigma fit error) SNR: 14.9082689189064 Angular difference between the analysis and refined position is 1.519127 arcmin Partial Coding Fraction: 0.3125 [ including projection effects ] Duration T90: 0.283999919891357 +/- 0.0288444686585799 Measured from: 0.0160000324249268 to: 0.299999952316284 [s; relative to TRIGTIME] T50: 0.20799994468689 +/- 0.0268327901402435 Measured from: 0.0400000214576721 to: 0.247999966144562 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: -0.335999965667725 to: 0.664000034332275 [s; relative to TRIGTIME] Total Fluence Measured from: 0.00400000810623169 to: 0.320000052452087 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 0.050283 0.077143 0.076630 0.033084 0.006979 0.008371 0.009053 0.007701 [error] Peak 0.053123 0.088663 0.076403 0.033673 0.011160 0.011890 0.011969 0.010707 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 0.316 0.004 0.320 T90 0.284 0.016 0.300 T50 0.208 0.040 0.248 Peak 1.000 -0.336 0.664 ====== 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 -1.205 -0.195 0.195 - - - 5.46e-02 -5.98e-03 5.98e-03 46.510 57 CPL -1.156 -0.243 0.564 965.147 -965.147 -965.147 5.75e-02 N/A N/A 46.600 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 -1.268 -0.256 0.258 - - - 1.82e-02 -2.64e-03 2.64e-03 68.040 57 CPL -1.078 -1.006 -0.891 272.455 N/A N/A 2.22e-02 N/A N/A 67.900 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 1.67e-08 3.68e-08 6.39e-08 2.58e-07 1.75e-07 3.75e-07 erg/cm2 90%_error_low -3.36e-09 -4.59e-09 -8.62e-09 -7.01e-08 -2.16e-08 -7.65e-08 erg/cm2 90%_error_hi 3.58e-09 4.52e-09 8.48e-09 8.54e-08 2.17e-08 8.96e-08 erg/cm2 Peak flux PL 5.98e-01 6.91e-01 5.74e-01 8.02e-01 2.15e+00 2.67e+00 ph/cm2/s 90%_error_low -1.62e-01 -1.20e-01 -9.76e-02 -2.56e-01 -3.27e-01 -3.99e-01 ph/cm2/s 90%_error_hi 1.77e-01 1.18e-01 9.59e-02 3.21e-01 3.29e-01 4.04e-01 ph/cm2/s Fluence CPL 1.67e-08 3.67e-08 6.31e-08 2.67e-07 1.75e-07 3.76e-07 erg/cm2 90%_error_low N/A N/A -1.03e-08 N/A -2.29e-08 -1.43e-07 erg/cm2 90%_error_hi N/A N/A 1.29e-08 N/A 2.24e-08 4.13e-08 erg/cm2 Peak flux CPL 5.71e-01 7.00e-01 5.88e-01 6.61e-01 2.14e+00 2.52e+00 ph/cm2/s 90%_error_low -1.97e-01 -1.26e-01 -1.08e-01 -3.87e-01 -3.36e-01 -5.45e-01 ph/cm2/s 90%_error_hi 1.74e-01 1.30e-01 1.17e-01 2.62e-01 3.37e-01 5.18e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 47.6065 13.9984 0.0129 47.6792 -21.9723 0.2522194 14.908 TRIG_00570465 Foreground time interval of the image: 0.004 0.320 (delta_t = 0.316 [sec]) Background time interval of the image: -239.956 0.004 (delta_t = 239.960 [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 0.004 sec. to 0.320 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.20452 ( -0.195473 0.19507 ) Norm@50keV : 5.45680E-02 ( -0.00597822 0.00597635 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 46.51 using 59 PHA bins. # Reduced chi-squared = 0.8160 for 57 degrees of freedom # Null hypothesis probability = 8.380601e-01 Photon flux (15-150 keV) in 0.316 sec: 6.40929 ( -0.71795 0.71915 ) ph/cm2/s Energy fluence (15-150 keV) : 1.74738e-07 ( -2.15773e-08 2.17008e-08 ) ergs/cm2
Time interval is from 0.004 sec. to 0.320 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.20007 ( -0.243279 0.564312 ) Epeak [keV] : 1.00000E+04 ( -10000 -10000 ) Norm@50keV : 5.48305E-02 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 46.52 using 59 PHA bins. # Reduced chi-squared = 0.8307 for 56 degrees of freedom # Null hypothesis probability = 8.127764e-01 Photon flux (15-150 keV) in 0.316 sec: 6.43685 ( ) ph/cm2/s Energy fluence (15-150 keV) : 1.74992e-07 ( -2.28538e-08 2.23901e-08 ) ergs/cm2
Time interval is from -0.336 sec. to 0.664 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.26773 ( -0.256151 0.258017 ) Norm@50keV : 1.81503E-02 ( -0.00264424 0.00264421 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 68.04 using 59 PHA bins. # Reduced chi-squared = 1.194 for 57 degrees of freedom # Null hypothesis probability = 1.503185e-01 Photon flux (15-150 keV) in 1 sec: 2.15305 ( -0.32715 0.32892 ) ph/cm2/s Energy fluence (15-150 keV) : 1.80834e-07 ( -2.86742e-08 2.88668e-08 ) ergs/cm2
Time interval is from -0.336 sec. to 0.664 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.07477 ( -0.00834442 0.10594 ) Epeak [keV] : 27.8869 ( ) Norm@50keV : 4.21643E-03 ( ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 66.88 using 59 PHA bins. # Reduced chi-squared = 1.194 for 56 degrees of freedom # Null hypothesis probability = 1.514097e-01 Photon flux (15-150 keV) in 1 sec: 2.13552 ( -0.33622 0.33701 ) ph/cm2/s Energy fluence (15-150 keV) : 1.79382e-07 ( -2.98135e-08 2.95572e-08 ) ergs/cm2
T90 = 0.2839999 sec. Hardness ratio (energy fluence ratio) = 1.73568121771
S(15-50 keV) = 5.350581e-08 S(50-150 keV) = 1.2123416e-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 = 1.018415789227998E+00, IMY = 4.108947869760430E-01
Time interval of the image: -239.956000 0.004000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 299.5537 35.2740 8.0 49.5 173.1 0.6405 1.4 4.7 Cyg X-1 308.1330 40.9129 1.7 42.2 179.9 2.0246 6.9 2.6 Cyg X-3 326.2038 38.1812 2.5 28.1 176.9 0.8727 4.5 8.6 Cyg X-2 324.6058 18.1346 2.3 33.0 137.8 1.4011 5.0 ------ UNKNOWN 54.7380 36.1769 4.2 47.0 -53.5 2.4558 2.8 ------ UNKNOWN
Time interval of the image: 0.004000 0.320000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 299.7066 35.1434 15.2 49.4 172.9 -0.0131 -0.8 6.7 Cyg X-1 307.9171 40.9037 102.2 42.4 179.9 -0.0013 -0.1 9.2 Cyg X-3 326.1715 38.3225 495.9 28.2 177.1 0.0002 0.0 0.1 Cyg X-2 300.0769 21.6199 2.3 52.9 156.0 0.1681 5.1 ------ UNKNOWN 47.6066 13.9984 0.8 47.7 -22.0 0.2522 14.9 ------ UNKNOWN 29.4651 47.7826 2.4 30.0 -76.3 0.0565 4.9 ------ UNKNOWN 39.4607 37.6698 2.3 34.7 -54.6 0.0548 5.0 ------ UNKNOWN
Time interval of the image: 77.344590 962.164300 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 83.6277 22.0012 0.4 35.1 -94.9 36.4178 32.5 0.9 Crab 29.1837 -15.7740 3.8 34.9 45.7 2.4438 3.0 ------ UNKNOWN 42.0512 1.4076 2.4 13.7 37.7 2.1599 4.7 ------ UNKNOWN 56.8687 -40.6469 2.7 55.3 5.0 9.1436 4.3 ------ UNKNOWN 71.1525 -32.3299 2.8 51.5 -12.0 4.3838 4.2 ------ UNKNOWN 72.6838 -38.1858 2.9 57.2 -9.8 8.0378 4.0 ------ UNKNOWN 87.9906 -27.1115 3.3 56.8 -30.0 10.0322 3.5 ------ UNKNOWN