====================================================================== BAT GRB EVENT DATA PROCESSING REPORT Process Script Ver: batgrbproduct v2.46 Process Start Time: Mon Jan 20 05:16:06 EST 2014 Host Name: batevent1 Current Working Dir: /local/data/batevent/batevent_reproc/trigger297628 ====================================================================== Trigger: 00297628 Segment: 000 BAT Trigger Time: 217987437.696 [s; MET] Trigger Stop: 217987441.792 [s; MET] UTC: 2007-11-29T00:03:55.301720 [includes UTCF correction] Where From?: TDRSS position message BAT RA: 220.089670547025 Dec: -26.6590902014323 [deg; J2000] Catalogged Source?: NO Point Source?: YES GRB Indicated?: YES [ by BAT flight software ] Image S/N Ratio: 11.85 Image Trigger?: NO Rate S/N Ratio: 11.5325625946708 [ if not an image trigger ] Image S/N Ratio: 11.85 Analysis Position: [ source = BAT ] RA: 220.089670547025 Dec: -26.6590902014323 [deg; J2000] Refined Position: [ source = BAT pre-slew burst ] RA: 220.048957876435 Dec: -26.6699762684598 [deg; J2000] { 14h 40m 11.7s , -26d 40' 11.9" } +/- 2.06367015489598 [arcmin] (estimated 90% radius based on SNR) +/- 1.06871041757118 [arcmin] (formal 1-sigma fit error) SNR: 10.8051863397994 Angular difference between the analysis and refined position is 2.278593 arcmin Partial Coding Fraction: 0.5546875 [ including projection effects ] Duration T90: 408.080000013113 +/- 52.3240852031849 Measured from: -0.412000000476837 to: 407.668000012636 [s; relative to TRIGTIME] T50: 186.136000007391 +/- 23.5661112465353 Measured from: 15.6359999775887 to: 201.77199998498 [s; relative to TRIGTIME] Fluence Peak Flux (peak 1 second) Measured from: 5.82799997925758 to: 6.82799997925758 [s; relative to TRIGTIME] Total Fluence Measured from: -5.64000001549721 to: 465.079999983311 [s; relative to TRIGTIME] Band 1 Band 2 Band 3 Band 4 15-25 25-50 50-100 100-350 keV Total 2.227064 2.595751 1.522351 0.171889 0.151452 0.156152 0.139981 0.133959 [error] Peak 0.031898 0.026211 0.049538 0.013780 0.007360 0.007821 0.007235 0.006424 [error] [ fluence units of on-axis counts / fully illuminated detector ] ====================================================================== ====== Table of the duration information ============================= Value tstart tstop T100 470.720 -5.640 465.080 T90 408.080 -0.412 407.668 T50 186.136 15.636 201.772 Peak 1.000 5.828 6.828 ====== 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 -1.860 -0.139 0.135 - - - 8.48e-04 -7.22e-05 7.11e-05 60.190 57 CPL -1.473 -0.473 0.588 59.318 -14.483 -59.318 1.40e-03 -5.93e-04 1.55e-03 58.580 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 -1.267 -0.364 0.364 - - - 7.80e-03 -1.53e-03 1.53e-03 65.150 57 CPL -1.122 -2.424 1.620 334.761 -334.761 -334.761 9.10e-03 -2.81e-03 3.45e-02 65.200 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 7.16e-07 1.06e-06 1.16e-06 2.41e-06 3.67e-06 5.35e-06 erg/cm2 90%_error_low -7.77e-08 -7.53e-08 -1.36e-07 -5.30e-07 -3.10e-07 -6.73e-07 erg/cm2 90%_error_hi 7.97e-08 7.54e-08 1.37e-07 6.25e-07 3.15e-07 7.47e-07 erg/cm2 Peak flux PL 2.57e-01 2.97e-01 2.47e-01 3.45e-01 9.25e-01 1.15e+00 ph/cm2/s 90%_error_low -9.07e-02 -6.78e-02 -5.99e-02 -1.50e-01 -1.85e-01 -2.35e-01 ph/cm2/s 90%_error_hi 1.02e-01 6.56e-02 5.81e-02 2.10e-01 1.85e-01 2.43e-01 ph/cm2/s Fluence CPL 6.86e-07 1.10e-06 1.15e-06 1.23e-06 3.52e-06 4.17e-06 erg/cm2 90%_error_low -8.82e-08 -9.70e-08 -1.49e-07 -6.98e-07 -3.66e-07 -8.08e-07 erg/cm2 90%_error_hi 8.88e-08 9.96e-08 1.46e-07 1.38e-06 3.74e-07 1.47e-06 erg/cm2 Peak flux CPL 2.61e-01 2.97e-01 2.46e-01 3.49e-01 9.26e-01 1.15e+00 ph/cm2/s 90%_error_low -1.30e-01 -6.74e-02 -5.88e-02 N/A -1.96e-01 -3.64e-01 ph/cm2/s 90%_error_hi 9.74e-02 7.36e-02 7.09e-02 N/A 1.84e-01 2.20e-01 ph/cm2/s ======================================================================
# RAcent DECcent POSerr Theta Phi Peak Cts SNR Name 220.0490 -26.6700 0.0178 28.1558 -109.5893 6.6201649 10.805 TRIG_00297628 Foreground time interval of the image: -5.640 465.080 (delta_t = 470.720 [sec]) Background time interval of the image: -139.995 -5.640 (delta_t = 134.355 [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 -5.640 sec. to 465.080 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.8599 ( -0.138648 0.134976 ) Norm@50keV : 8.48462E-04 ( -7.21817e-05 7.11485e-05 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 60.19 using 59 PHA bins. # Reduced chi-squared = 1.056 for 57 degrees of freedom # Null hypothesis probability = 3.610211e-01 Photon flux (15-150 keV) in 470.7 sec: 0.119750 ( -0.008637 0.008643 ) ph/cm2/s Energy fluence (15-150 keV) : 3.67235e-06 ( -3.09912e-07 3.1454e-07 ) ergs/cm2
Time interval is from -5.640 sec. to 465.080 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.47316 ( -0.473137 0.587533 ) Epeak [keV] : 59.3183 ( -14.4825 -59.3183 ) Norm@50keV : 1.39502E-03 ( -0.000592837 0.00155217 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 58.58 using 59 PHA bins. # Reduced chi-squared = 1.046 for 56 degrees of freedom # Null hypothesis probability = 3.811383e-01 Photon flux (15-150 keV) in 470.7 sec: 0.117434 ( -0.009159 0.009156 ) ph/cm2/s Energy fluence (15-150 keV) : 3.5158e-06 ( -3.66281e-07 3.73973e-07 ) ergs/cm2
Time interval is from 5.828 sec. to 6.828 sec. Spectral model in power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.26709 ( -0.363537 0.364407 ) Norm@50keV : 7.79913E-03 ( -0.00153072 0.00152747 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 65.15 using 59 PHA bins. # Reduced chi-squared = 1.143 for 57 degrees of freedom # Null hypothesis probability = 2.142794e-01 Photon flux (15-150 keV) in 1 sec: 0.925058 ( -0.184654 0.185242 ) ph/cm2/s Energy fluence (15-150 keV) : 7.77159e-08 ( -1.72208e-08 1.74738e-08 ) ergs/cm2
Time interval is from 5.828 sec. to 6.828 sec. Spectral model in the cutoff power-law: ------------------------------------------------------------ Parameters : value lower 90% higher 90% Photon index: -1.26288 ( -2.40989 1.63331 ) Epeak [keV] : 9996.89 ( -9997.37 -9997.37 ) Norm@50keV : 7.83364E-03 ( -0.00153989 0.0357947 ) ------------------------------------------------------------ #Fit statistic : Chi-Squared = 65.15 using 59 PHA bins. # Reduced chi-squared = 1.163 for 56 degrees of freedom # Null hypothesis probability = 1.883474e-01 Photon flux (15-150 keV) in 1 sec: 0.926099 ( -0.195795 0.184491 ) ph/cm2/s Energy fluence (15-150 keV) : 7.76945e-08 ( 0 0 ) ergs/cm2
T90 = 408.08 sec. Hardness ratio (energy fluence ratio) = 1.1020212325
S(15-50 keV) = 1.772371e-06 S(50-150 keV) = 1.8999547e-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 = -1.794401902565495E-01, IMY = 5.042252352474009E-01
Time interval of the image: -139.995400 -5.640000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.0655 -60.6670 5.2 25.1 19.3 -0.3143 -2.2 7.8 Cen X-3 186.7774 -62.7539 1.9 24.1 -0.2 0.8619 6.0 3.5 GX 301-2 174.7389 6.0794 2.1 46.9 156.2 1.8194 5.4 ------ UNKNOWN 152.4209 -58.3187 1.8 30.8 34.9 1.2001 6.3 ------ UNKNOWN 213.6382 16.2495 3.3 59.4 -156.3 3.5860 3.4 ------ UNKNOWN
Time interval of the image: -5.640000 465.080000 # RAcent DECcent POSerr Theta Phi PeakCts SNR AngSep Name # [deg] [deg] ['] [deg] [deg] ['] 170.0382 -60.5985 5.6 25.0 19.4 1.0580 2.0 8.3 Cen X-3 186.3672 -62.7208 5.2 24.1 0.2 1.1198 2.2 8.5 GX 301-2 320.0690 -80.4188 2.7 57.8 -12.0 12.0988 4.3 ------ UNKNOWN 220.0490 -26.6700 1.1 28.2 -109.6 6.6183 10.8 ------ UNKNOWN 257.1073 -52.8438 2.1 47.3 -52.8 11.7422 5.6 ------ UNKNOWN 237.7093 -28.2462 2.4 41.0 -93.3 8.6913 4.8 ------ UNKNOWN
Time interval of the image: