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 23:09:09 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger103906
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Trigger: 00103906 Segment: 000
BAT Trigger Time: 128578794.56 [s; MET]
Trigger Stop: 128578795.584 [s; MET]
UTC: 2005-01-28T04:19:55.191240 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 219.591125684255 Dec: -34.7619892410826 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12
Image Trigger?: NO
Rate S/N Ratio: 35.5668384875575 [ if not an image trigger ]
Image S/N Ratio: 12
Analysis Position: [ source = BAT ]
RA: 219.591125684255 Dec: -34.7619892410826 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 219.584372813514 Dec: -34.7623161882462 [deg; J2000]
{ 14h 38m 20.2s , -34d 45' 44.3" }
+/- 1.10700367612749 [arcmin] (estimated 90% radius based on SNR)
+/- 0.306541241423414 [arcmin] (formal 1-sigma fit error)
SNR: 26.3056047168613
Angular difference between the analysis and refined position is 0.333437 arcmin
Partial Coding Fraction: 0.1035156 [ including projection effects ]
Duration
T90: 28 +/- 9.05538513813742
Measured from: -6.56000000238419
to: 21.4399999976158 [s; relative to TRIGTIME]
T50: 8 +/- 1
Measured from: -2.56000000238419
to: 5.43999999761581 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 5.43999999761581
to: 6.43999999761581 [s; relative to TRIGTIME]
Total Fluence
Measured from: -7.56000000238419
to: 25.4399999976158 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.385772 2.450934 2.426805 0.717987
0.091115 0.099820 0.092650 0.070412 [error]
Peak 0.163155 0.271392 0.330029 0.083939
0.020360 0.024358 0.024849 0.016711 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 33.000 -7.560 25.440
T90 28.000 -6.560 21.440
T50 8.000 -2.560 5.440
Peak 1.000 5.440 6.440
====== 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: CPL)
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 -1.370 -0.071 0.071 - - - 1.62e-02 -6.92e-04 6.92e-04 63.340 57
CPL -0.714 -0.311 0.335 113.155 -20.062 49.246 3.18e-02 -8.46e-03 1.24e-02 49.460 56
=== 1-s peak 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 -1.319 -0.142 0.142 - - - 6.22e-02 -5.43e-03 5.43e-03 72.380 57
CPL -0.470 -0.623 0.725 107.034 -24.554 120.997 1.46e-01 -6.63e-02 1.43e-01 66.740 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 6.06e-07 1.21e-06 1.87e-06 6.34e-06 5.21e-06 1.00e-05 erg/cm2
90%_error_low -4.94e-08 -6.09e-08 -8.93e-08 -6.40e-07 -2.28e-07 -6.94e-07 erg/cm2
90%_error_hi 5.07e-08 6.06e-08 8.90e-08 6.83e-07 2.28e-07 7.27e-07 erg/cm2
Peak flux PL 2.15e+00 2.41e+00 1.93e+00 2.58e+00 7.45e+00 9.08e+00 ph/cm2/s
90%_error_low -3.39e-01 -2.46e-01 -1.92e-01 -4.87e-01 -6.83e-01 -8.02e-01 ph/cm2/s
90%_error_hi 3.58e-01 2.44e-01 1.90e-01 5.43e-01 6.85e-01 8.06e-01 ph/cm2/s
Fluence CPL 5.13e-07 1.26e-06 2.01e-06 3.14e-06 5.11e-06 6.92e-06 erg/cm2
90%_error_low -6.22e-08 -6.79e-08 -1.12e-07 -8.00e-07 -2.37e-07 -8.13e-07 erg/cm2
90%_error_hi 6.42e-08 6.85e-08 1.14e-07 1.15e-06 2.37e-07 1.14e-06 erg/cm2
Peak flux CPL 1.70e+00 2.51e+00 2.17e+00 1.41e+00 7.21e+00 7.79e+00 ph/cm2/s
90%_error_low -4.42e-01 -2.74e-01 -2.59e-01 -4.86e-01 -7.06e-01 -9.03e-01 ph/cm2/s
90%_error_hi 4.69e-01 2.75e-01 2.67e-01 7.90e-01 7.08e-01 1.05e+00 ph/cm2/s
======================================================================