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 11:35:04 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger241840
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Trigger: 00241840 Segment: 000
BAT Trigger Time: 186681518.428 [s; MET]
Trigger Stop: 186681518.492 [s; MET]
UTC: 2006-12-01T15:58:36.821720 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 331.971646734012 Dec: -74.6005732902225 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.37
Image Trigger?: NO
Rate S/N Ratio: 42.9301758673314 [ if not an image trigger ]
Image S/N Ratio: 7.37
Analysis Position: [ source = BAT ]
RA: 331.971646734012 Dec: -74.6005732902225 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 332.088228865842 Dec: -74.5733570118188 [deg; J2000]
{ 22h 08m 21.2s , -74d 34' 24.1" }
+/- 1.20335150626368 [arcmin] (estimated 90% radius based on SNR)
+/- 0.499899316950663 [arcmin] (formal 1-sigma fit error)
SNR: 23.349196654757
Angular difference between the analysis and refined position is 2.474427 arcmin
Partial Coding Fraction: 0.4804688 [ including projection effects ]
Duration
T90: 0.776000022888184 +/- 0.0950789192059972
Measured from: 0.0119999945163727
to: 0.788000017404556 [s; relative to TRIGTIME]
T50: 0.431999981403351 +/- 0.0505964225831327
Measured from: 0.15200001001358
to: 0.583999991416931 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0740000009536743
to: 0.925999999046326 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0
to: 0.851999998092651 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.066411 0.120513 0.165092 0.081191
0.008532 0.010047 0.010875 0.010361 [error]
Peak 0.069983 0.129060 0.172554 0.079709
0.009118 0.010519 0.011191 0.010631 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.852 0.000 0.852
T90 0.776 0.012 0.788
T50 0.432 0.152 0.584
Peak 1.000 -0.074 0.926
====== 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 -0.796 -0.141 0.145 - - - 3.42e-02 -2.72e-03 2.69e-03 50.990 57
CPL -0.715 -0.216 0.333 982.028 -982.028 -982.028 3.69e-02 -5.18e-03 1.08e-02 51.430 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 -0.832 -0.140 0.143 - - - 3.08e-02 -2.41e-03 2.38e-03 53.930 57
CPL -0.756 -0.211 0.301 1082.170 -1082.170 -1082.170 3.30e-02 -4.39e-03 8.57e-03 54.390 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 1.93e-08 5.48e-08 1.26e-07 7.86e-07 3.41e-07 9.86e-07 erg/cm2
90%_error_low -3.26e-09 -5.61e-09 -1.01e-08 -1.44e-07 -2.77e-08 -1.48e-07 erg/cm2
90%_error_hi 3.48e-09 5.53e-09 1.01e-08 1.67e-07 2.78e-08 1.69e-07 erg/cm2
Peak flux PL 6.71e-01 1.01e+00 1.13e+00 2.41e+00 3.53e+00 5.22e+00 ph/cm2/s
90%_error_low -1.13e-01 -1.05e-01 -8.79e-02 -4.07e-01 -2.71e-01 -4.45e-01 ph/cm2/s
90%_error_hi 1.21e-01 1.04e-01 8.74e-02 4.61e-01 2.72e-01 4.64e-01 ph/cm2/s
Fluence CPL 1.93e-08 5.47e-08 1.25e-07 8.27e-07 3.42e-07 9.78e-07 erg/cm2
90%_error_low N/A -5.51e-09 N/A -3.36e-07 -3.48e-08 -2.77e-07 erg/cm2
90%_error_hi N/A 5.64e-09 N/A 3.32e-08 3.37e-08 7.48e-08 erg/cm2
Peak flux CPL 6.70e-01 1.01e+00 1.13e+00 2.39e+00 3.55e+00 5.32e+00 ph/cm2/s
90%_error_low N/A -1.05e-01 N/A N/A -3.90e-01 -1.00e+00 ph/cm2/s
90%_error_hi N/A 1.04e-01 N/A N/A 3.53e-01 4.46e-01 ph/cm2/s
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