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: Mon Jan 13 18:44:38 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger506903
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Trigger: 00506903 Segment: 000
BAT Trigger Time: 342010751.488 [s; MET]
Trigger Stop: 342010752.512 [s; MET]
UTC: 2011-11-03T10:59:03.953720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 265.703554097257 Dec: 1.58984331586706 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 16.72
Image Trigger?: NO
Rate S/N Ratio: 47.3392015141785 [ if not an image trigger ]
Image S/N Ratio: 16.72
Analysis Position: [ source = BAT ]
RA: 265.703554097257 Dec: 1.58984331586706 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 265.690925621519 Dec: 1.60511682143793 [deg; J2000]
{ 17h 42m 45.8s , +01d 36' 18.4" }
+/- 0.49099454723273 [arcmin] (estimated 90% radius based on SNR)
+/- 0.174806748210728 [arcmin] (formal 1-sigma fit error)
SNR: 84.030592192161
Angular difference between the analysis and refined position is 1.188900 arcmin
Partial Coding Fraction: 0.90625 [ including projection effects ]
Duration
T90: 144.775999963284 +/- 33.9018423536708
Measured from: 0.0960000157356262
to: 144.871999979019 [s; relative to TRIGTIME]
T50: 31.6159999370575 +/- 0.906342099393471
Measured from: 5.70000004768372
to: 37.3159999847412 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 5.47600001096725
to: 6.47600001096725 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.54799997806549
to: 250.780000030994 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.329865 4.660685 3.702335 0.983548
0.102482 0.093691 0.079090 0.064263 [error]
Peak 0.190407 0.339086 0.304593 0.088306
0.008861 0.010233 0.009927 0.007115 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 257.328 -6.548 250.780
T90 144.776 0.096 144.872
T50 31.616 5.700 37.316
Peak 1.000 5.476 6.476
====== 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 -1.415 -0.048 0.048 - - - 3.19e-03 -7.85e-05 7.85e-05 51.470 57
CPL -1.411 -0.049 0.152 9997.350 -9997.350 -9997.350 3.20e-03 -7.88e-05 5.18e-04 51.490 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 -1.168 -0.061 0.062 - - - 6.14e-02 -2.13e-03 2.13e-03 50.970 57
CPL -0.838 -0.245 0.259 193.743 -61.730 358.291 8.74e-02 -1.97e-02 2.71e-02 45.590 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 9.68e-07 1.87e-06 2.81e-06 9.12e-06 7.91e-06 1.48e-05 erg/cm2
90%_error_low -5.09e-08 -5.67e-08 -8.21e-08 -6.21e-07 -2.03e-07 -6.55e-07 erg/cm2
90%_error_hi 5.21e-08 5.65e-08 8.19e-08 6.53e-07 2.03e-07 6.82e-07 erg/cm2
Peak flux PL 5.21e-04 6.19e-03 9.55e-02 8.63e+00 4.32e-01 8.69e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 9.73e-07 1.87e-06 2.81e-06 9.37e-06 7.93e-06 1.49e-05 erg/cm2
90%_error_low N/A -5.80e-08 -9.60e-08 -2.06e-06 -2.57e-07 -2.51e-06 erg/cm2
90%_error_hi N/A 5.70e-08 1.17e-07 -2.84e-07 1.64e-07 3.28e-07 erg/cm2
Peak flux CPL 1.70e+00 2.31e+00 2.08e+00 2.18e+00 7.07e+00 8.27e+00 ph/cm2/s
90%_error_low -1.57e-01 -1.02e-01 -9.61e-02 -4.77e-01 -2.69e-01 -5.55e-01 ph/cm2/s
90%_error_hi 1.60e-01 1.03e-01 9.70e-02 6.41e-01 2.69e-01 6.87e-01 ph/cm2/s
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