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 May 6 16:46:40 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger582123
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Trigger: 00582123 Segment: 000
BAT Trigger Time: 409729671.104 [s; MET]
Trigger Stop: 409729671.36 [s; MET]
UTC: 2013-12-26T05:47:39.664000 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 301.307357529942 Dec: -64.9622775984442 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 14.93
Image Trigger?: NO
Rate S/N Ratio: 29.4278779391243 [ if not an image trigger ]
Image S/N Ratio: 14.93
Analysis Position: [ source = BAT ]
RA: 301.307357529942 Dec: -64.9622775984442 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 301.310097634465 Dec: -64.9428920986582 [deg; J2000]
{ 20h 05m 14.4s , -64d 56' 34.4" }
+/- 0.582804747745653 [arcmin] (estimated 90% radius based on SNR)
+/- 0.149979273100191 [arcmin] (formal 1-sigma fit error)
SNR: 65.7787183129463
Angular difference between the analysis and refined position is 1.165211 arcmin
Partial Coding Fraction: 0.5625 [ including projection effects ]
Duration
T90: 7.2279999256134 +/- 0.156205012444484
Measured from: 0.380000054836273
to: 7.60799998044968 [s; relative to TRIGTIME]
T50: 2.97599995136261 +/- 0.0920869208510307
Measured from: 1.65200001001358
to: 4.62799996137619 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.10800004005432
to: 2.10800004005432 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.255999982357025
to: 8.70400005578995 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.551130 2.199440 1.893370 0.542249
0.032661 0.036741 0.034929 0.025342 [error]
Peak 0.342158 0.472654 0.353099 0.108350
0.013211 0.015086 0.014387 0.009958 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 8.960 -0.256 8.704
T90 7.228 0.380 7.608
T50 2.976 1.652 4.628
Peak 1.000 1.108 2.108
====== 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 -1.380 -0.042 0.042 - - - 4.62e-02 -1.00e-03 1.00e-03 55.080 57
CPL -1.300 -0.119 0.135 469.679 -469.679 -469.679 5.01e-02 -5.95e-03 6.61e-03 55.320 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 -1.487 -0.071 0.070 - - - 8.33e-02 -3.24e-03 3.23e-03 46.980 57
CPL -1.371 -0.153 0.275 286.685 -286.685 -286.685 9.47e-02 -1.40e-02 3.26e-02 46.410 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 4.73e-07 9.34e-07 1.44e-06 4.82e-06 4.02e-06 7.66e-06 erg/cm2
90%_error_low -2.16e-08 -2.48e-08 -3.65e-08 -2.84e-07 -9.09e-08 -3.01e-07 erg/cm2
90%_error_hi 2.21e-08 2.47e-08 3.64e-08 2.96e-07 9.10e-08 3.10e-07 erg/cm2
Peak flux PL 3.39e+00 3.44e+00 2.45e+00 2.79e+00 1.04e+01 1.21e+01 ph/cm2/s
90%_error_low -2.40e-01 -1.47e-01 -1.20e-01 -2.78e-01 -4.13e-01 -4.65e-01 ph/cm2/s
90%_error_hi 2.46e-01 1.46e-01 1.19e-01 2.96e-01 4.14e-01 4.66e-01 ph/cm2/s
Fluence CPL 4.67e-07 9.36e-07 1.44e-06 4.80e-06 4.01e-06 7.39e-06 erg/cm2
90%_error_low -2.93e-08 -2.50e-08 -2.12e-08 -1.15e-06 -9.74e-08 -8.34e-07 erg/cm2
90%_error_hi 2.34e-08 2.56e-08 4.29e-08 2.04e-07 9.36e-08 3.67e-07 erg/cm2
Peak flux CPL 3.30e+00 3.46e+00 2.48e+00 2.44e+00 1.03e+01 1.17e+01 ph/cm2/s
90%_error_low -3.02e-01 -1.58e-01 -1.33e-01 -6.21e-01 -4.41e-01 -8.01e-01 ph/cm2/s
90%_error_hi 2.71e-01 1.61e-01 1.35e-01 4.03e-01 4.41e-01 4.43e-01 ph/cm2/s
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