Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jan 22 14:37:38 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger222546
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Trigger: 00222546 Segment: 000
BAT Trigger Time: 176369301.184 [s; MET]
Trigger Stop: 176369309.376 [s; MET]
UTC: 2006-08-04T07:28:19.825160 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 112.201199296934 Dec: -27.2313754670281 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.92
Image Trigger?: NO
Rate S/N Ratio: 10.816653826392 [ if not an image trigger ]
Image S/N Ratio: 8.92
Analysis Position: [ source = BAT ]
RA: 112.201199296934 Dec: -27.2313754670281 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 112.221032429631 Dec: -27.2282273464159 [deg; J2000]
{ 07h 28m 53.0s , -27d 13' 41.6" }
+/- 2.07292230462618 [arcmin] (estimated 90% radius based on SNR)
+/- 0.97175152518805 [arcmin] (formal 1-sigma fit error)
SNR: 10.7363563153294
Angular difference between the analysis and refined position is 1.074839 arcmin
Partial Coding Fraction: 0.1894531 [ including projection effects ]
Duration
T90: 18.188000023365 +/- 2.65723162056136
Measured from: -12.9519999921322
to: 5.23600003123283 [s; relative to TRIGTIME]
T50: 11.3400000035763 +/- 5.37857420360907
Measured from: -8.13999998569489
to: 3.20000001788139 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 4.5160000026226
to: 5.5160000026226 [s; relative to TRIGTIME]
Total Fluence
Measured from: -14.0599999725819
to: 5.54800000786781 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.280744 0.402184 0.180068 0.094338
0.046986 0.049801 0.043516 0.038509 [error]
Peak 0.036120 0.043100 0.045042 0.027139
0.011348 0.011563 0.010762 0.008650 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 19.608 -14.060 5.548
T90 18.188 -12.952 5.236
T50 11.340 -8.140 3.200
Peak 1.000 4.516 5.516
====== 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: N/A)
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 -1.783 -0.273 0.261 - - - 2.95e-03 -5.26e-04 5.15e-04 83.780 57
CPL -0.159 -1.861 3.365 43.583 -9.373 -43.583 2.86e-02 -2.86e-02 3.66e+00 81.790 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 -1.447 -0.485 0.481 - - - 9.30e-03 -2.26e-03 2.23e-03 58.110 57
CPL -1.470 -0.463 0.731 9999.350 -9999.350 -9999.350 9.30e-03 -2.23e-03 1.10e-02 58.130 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 9.64e-08 1.49e-07 1.73e-07 3.88e-07 5.33e-07 8.06e-07 erg/cm2
90%_error_low -2.13e-08 -2.30e-08 -4.04e-08 -1.54e-07 -9.57e-08 -2.03e-07 erg/cm2
90%_error_hi 2.20e-08 2.30e-08 4.11e-08 2.11e-07 9.79e-08 2.47e-07 erg/cm2
Peak flux PL 3.64e-01 3.78e-01 2.77e-01 3.27e-01 1.14e+00 1.35e+00 ph/cm2/s
90%_error_low -1.59e-01 -1.07e-01 -8.72e-02 -1.77e-01 -2.86e-01 -3.23e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.00e-01 8.16e-02 2.69e-01 2.86e-01 3.26e-01 ph/cm2/s
Fluence CPL 8.82e-08 1.81e-07 1.42e-07 3.10e-08 4.37e-07 4.44e-07 erg/cm2
90%_error_low -2.58e-08 -4.34e-08 -7.87e-08 N/A -1.07e-07 -1.15e-07 erg/cm2
90%_error_hi 2.48e-08 4.43e-08 6.41e-08 N/A 1.50e-07 4.31e-07 erg/cm2
Peak flux CPL 3.64e-01 3.78e-01 2.71e-01 3.34e-01 1.17e+00 1.33e+00 ph/cm2/s
90%_error_low -1.60e-01 -1.10e-01 -8.44e-02 N/A -3.07e-01 -3.09e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.04e-01 8.98e-02 N/A 2.68e-01 3.36e-01 ph/cm2/s
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