====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Mon Mar 3 23:44:00 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger583861 ====================================================================== Trigger: 00583861 Segment: 000 BAT Trigger Time: 411393472 [s; MET] Trigger Stop: 411393536 [s; MET] UTC: 2014-01-14T11:57:40.482160 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 188.482555589256 Dec: 27.9264396826658 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 7.96 Image Trigger?: YES Rate S/N Ratio: 0 [ if not an image trigger ] Image S/N Ratio: 7.96 Analysis Position: [ source = BAT ] RA: 188.482555589256 Dec: 27.9264396826658 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 188.495258015931 Dec: 27.9396513490374 [deg; J2000] { 12h 33m 58.9s , +27d 56' 22.7" } +/- 1.92888653613018 [arcmin] (estimated 90% radius based on SNR) +/- 0.830706882341634 [arcmin] (formal 1-sigma fit error) SNR: 11.8997381825249 Angular difference between the analysis and refined position is 1.040085 arcmin Partial Coding Fraction: 1.015625 [ including projection effects ] Duration T90: 139.947999954224 +/- 15.8801637489094 Measured from: 43.6079999804497 to: 183.555999934673 [s; relative to TRIGTIME] T50: 52.783999979496 +/- 3.21291203934822 Measured from: 87.1679999828339 to: 139.95199996233 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 115.879999995232 to: 116.879999995232 [s; relative to TRIGTIME] Total Fluence Measured from: 19.444000005722 to: 202.519999980927 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 2.566649 2.512148 1.161806 0.241156 0.077727 0.080065 0.069262 0.059073 [error] Peak 0.047589 0.044989 0.018141 0.006854 0.006160 0.006561 0.005504 0.004524 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 183.076 19.444 202.520 T90 139.948 43.608 183.556 T50 52.784 87.168 139.952 Peak 1.000 115.880 116.880 ====== 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 -2.069 -0.088 0.087 - - - 1.88e-03 -9.56e-05 9.47e-05 52.750 57 CPL -1.803 -0.323 0.375 32.467 -27.869 16.263 2.64e-03 -9.01e-04 1.56e-03 51.020 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 -2.069 -0.319 0.287 - - - 6.11e-03 -1.36e-03 1.31e-03 44.990 57 CPL -1.997 1.997 1.997 1.900 -1.584 -1.900 6.75e-03 -6.75e-03 2.17e-03 44.970 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 7.54e-07 9.82e-07 9.35e-07 1.58e-06 3.20e-06 4.25e-06 erg/cm2 90%_error_low -5.14e-08 -4.11e-08 -6.68e-08 -2.23e-07 -1.49e-07 -2.87e-07 erg/cm2 90%_error_hi 5.26e-08 4.11e-08 6.74e-08 2.48e-07 1.50e-07 3.05e-07 erg/cm2 Peak flux PL 4.36e-01 3.14e-01 1.50e-01 1.01e-01 9.47e-01 1.00e+00 ph/cm2/s 90%_error_low -8.80e-02 -5.00e-02 -4.23e-02 -4.50e-02 -1.46e-01 -1.58e-01 ph/cm2/s 90%_error_hi 8.98e-02 4.95e-02 4.40e-02 6.29e-02 1.46e-01 1.59e-01 ph/cm2/s Fluence CPL 7.28e-07 1.01e-06 9.27e-07 9.95e-07 3.10e-06 3.66e-06 erg/cm2 90%_error_low -6.16e-08 -5.03e-08 -7.17e-08 -4.25e-07 -1.89e-07 -4.81e-07 erg/cm2 90%_error_hi 6.09e-08 5.17e-08 7.06e-08 8.22e-07 1.91e-07 8.49e-07 erg/cm2 Peak flux CPL 4.35e-01 3.15e-01 1.51e-01 9.77e-02 9.46e-01 9.98e-01 ph/cm2/s 90%_error_low -9.31e-02 -5.84e-02 -4.05e-02 -4.21e-02 -1.45e-01 -1.53e-01 ph/cm2/s 90%_error_hi 9.17e-02 4.82e-02 4.24e-02 4.09e-02 1.48e-01 1.74e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 188.4953 27.9397 0.0162 6.9139 -168.0670 1.0168156 11.900 TRIG_00583861 Foreground time interval of the image: 19.444 72.501 (delta_t = 53.057 [sec]) Background time interval of the image: -239.000 19.444 (delta_t = 258.444 [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 19.444 sec. to 202.520 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.06945 ( -0.0883423 0.086729 ) Norm@50keV : 1.88467E-03 ( -9.55859e-05 9.46846e-05 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 52.75 using 59 PHA bins. # Reduced chi-squared = 0.9254 for 57 degrees of freedom # Null hypothesis probability = 6.352159e-01 Photon flux (15-150 keV) in 183.1 sec: 0.292139 ( -0.012857 0.012892 ) ph/cm2/s Energy fluence (15-150 keV) : 3.19793e-06 ( -1.48927e-07 1.50089e-07 ) ergs/cm2
Time interval is from 19.444 sec. to 202.520 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.80314 ( -0.322864 0.374637 ) Epeak [keV] : 32.4668 ( -27.8688 16.2626 ) Norm@50keV : 2.63543E-03 ( -0.000901434 0.00156172 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 51.02 using 59 PHA bins. # Reduced chi-squared = 0.9111 for 56 degrees of freedom # Null hypothesis probability = 6.633397e-01 Photon flux (15-150 keV) in 183.1 sec: 0.286752 ( -0.014533 0.014554 ) ph/cm2/s Energy fluence (15-150 keV) : 3.10376e-06 ( -1.89236e-07 1.90803e-07 ) ergs/cm2
Time interval is from 115.880 sec. to 116.880 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -2.0689 ( -0.318722 0.287236 ) Norm@50keV : 6.11038E-03 ( -0.00135861 0.00131016 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 44.99 using 59 PHA bins. # Reduced chi-squared = 0.7894 for 57 degrees of freedom # Null hypothesis probability = 8.751495e-01 Photon flux (15-150 keV) in 1 sec: 0.946903 ( -0.145638 0.145657 ) ph/cm2/s Energy fluence (15-150 keV) : 5.66239e-08 ( -1.11617e-08 1.1599e-08 ) ergs/cm2
Time interval is from 115.880 sec. to 116.880 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.99652 ( 1.99652 1.99652 ) Epeak [keV] : 1.90035 ( -1.57734 -1.89395 ) Norm@50keV : 6.75102E-03 ( -0.00676446 0.00215932 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 44.97 using 59 PHA bins. # Reduced chi-squared = 0.8030 for 56 degrees of freedom # Null hypothesis probability = 8.544708e-01 Photon flux (15-150 keV) in 1 sec: 0.945855 ( -0.145121 0.147665 ) ph/cm2/s Energy fluence (15-150 keV) : 0 ( 0 0 ) ergs/cm2
T90 = 139.948 sec. Hardness ratio (energy fluence ratio) = 0.95305951144
S(15-50 keV) = 1.7358307e-06 S(50-150 keV) = 1.4621365e-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 = -1.186397458794859E-01, IMY = 2.507270633167256E-02
Time interval of the image: -239.000000 19.444000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 202.5169 77.7383 2.7 56.9 179.3 5.7424 4.3 ------ UNKNOWN 202.0581 -3.6541 2.4 29.4 -38.4 1.0416 4.7 ------ UNKNOWN 218.1372 37.5163 2.9 31.9 -132.4 1.2126 4.0 ------ UNKNOWN 222.6316 -3.6942 3.1 43.5 -64.0 4.0705 3.7 ------ UNKNOWN
Time interval of the image: 19.444000 72.500590 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 188.4953 27.9396 1.0 6.9 -168.1 1.0169 11.9 ------ UNKNOWN 199.2202 5.7921 2.3 20.0 -45.6 0.4536 5.1 ------ UNKNOWN 218.8644 34.3508 2.1 31.5 -126.3 0.6100 5.4 ------ UNKNOWN
Time interval of the image: 100.500600 963.089600 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 185.2684 50.6567 2.6 22.9 163.0 2.1826 4.5 ------ UNKNOWN 174.5320 -27.1631 2.9 56.7 3.1 11.7539 4.0 ------ UNKNOWN 188.5346 27.9736 1.5 0.1 -153.8 3.5823 7.6 ------ UNKNOWN 184.4347 -6.8497 4.2 35.0 -4.8 1.7508 2.8 ------ UNKNOWN 210.8282 23.5389 3.6 20.6 -94.6 1.7161 3.2 ------ UNKNOWN 224.6229 39.4504 2.8 32.0 -132.4 3.1579 4.2 ------ UNKNOWN 206.4708 -4.7740 3.7 37.0 -42.5 2.4703 3.2 ------ UNKNOWN 238.7867 29.4084 2.9 43.8 -116.3 10.5489 4.0 ------ UNKNOWN 236.6337 25.8331 2.7 42.7 -110.6 10.3436 4.5 ------ UNKNOWN 236.4966 25.4514 3.7 42.7 -110.0 8.7700 3.8 ------ UNKNOWN