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: Sat May 9 20:00:03 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger106442
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Trigger: 00106442 Segment: 000
BAT Trigger Time: 130539950.656 [s; MET]
Trigger Stop: 130539951.68 [s; MET]
UTC: 2005-02-19T21:05:51.256640 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 81.2744828107666 Dec: -57.7615005591533 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 17
Image Trigger?: NO
Rate S/N Ratio: 88.6284378740819 [ if not an image trigger ]
Image S/N Ratio: 17
Analysis Position: [ source = BAT ]
RA: 81.2744828107666 Dec: -57.7615005591533 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 81.2999190539987 Dec: -57.7587260653094 [deg; J2000]
{ 05h 25m 12.0s , -57d 45' 31.4" }
+/- 0.991614765792132 [arcmin] (estimated 90% radius based on SNR)
+/- 0.530173328050551 [arcmin] (formal 1-sigma fit error)
SNR: 30.7852501614301
Angular difference between the analysis and refined position is 0.831006 arcmin
Partial Coding Fraction: 0.07226562 [ including projection effects ]
Duration
T90: 28.7199999988079 +/- 7.12028763106389
Measured from: -14.3760000020266
to: 14.3439999967813 [s; relative to TRIGTIME]
T50: 6.91200000047684 +/- 0.301887392005334
Measured from: 0.631999999284744
to: 7.54399999976158 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.84399999678135
to: 3.84399999678135 [s; relative to TRIGTIME]
Total Fluence
Measured from: -35.5920000076294
to: 38.5680000036955 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 4.661803 7.583146 7.475786 2.214052
0.190190 0.206588 0.181763 0.135818 [error]
Peak 0.550536 0.958809 0.891323 0.215203
0.036439 0.046450 0.043734 0.025468 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 74.160 -35.592 38.568
T90 28.720 -14.376 14.344
T50 6.912 0.632 7.544
Peak 1.000 2.844 3.844
====== 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 -1.508 -0.050 0.050 - - - 2.30e-02 -6.76e-04 6.76e-04 79.410 57
CPL -0.918 -0.224 0.236 107.860 -15.095 30.233 4.14e-02 -8.12e-03 1.06e-02 57.870 56
=== 1-s peak 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 -1.571 -0.083 0.083 - - - 1.98e-01 -1.04e-02 1.04e-02 75.140 57
CPL -0.866 -0.359 0.387 89.757 -14.502 36.263 4.22e-01 -1.32e-01 2.10e-01 63.260 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 2.19e-06 4.01e-06 5.64e-06 1.66e-05 1.61e-05 2.85e-05 erg/cm2
90%_error_low -1.27e-07 -1.42e-07 -1.85e-07 -1.17e-06 -4.77e-07 -1.27e-06 erg/cm2
90%_error_hi 1.30e-07 1.42e-07 1.84e-07 1.23e-06 4.76e-07 1.31e-06 erg/cm2
Peak flux PL 8.71e+00 8.41e+00 5.66e+00 5.96e+00 2.52e+01 2.87e+01 ph/cm2/s
90%_error_low -7.84e-01 -4.91e-01 -3.46e-01 -6.92e-01 -1.41e+00 -1.50e+00 ph/cm2/s
90%_error_hi 8.07e-01 4.89e-01 3.44e-01 7.37e-01 1.41e+00 1.50e+00 ph/cm2/s
Fluence CPL 1.87e-06 4.12e-06 6.03e-06 9.13e-06 1.58e-05 2.11e-05 erg/cm2
90%_error_low -1.65e-07 -1.55e-07 -2.36e-07 -1.69e-06 -4.96e-07 -1.72e-06 erg/cm2
90%_error_hi 1.70e-07 1.55e-07 2.38e-07 2.18e-06 4.94e-07 2.17e-06 erg/cm2
Peak flux CPL 7.41e+00 8.87e+00 6.23e+00 3.44e+00 2.46e+01 2.59e+01 ph/cm2/s
90%_error_low -9.72e-01 -5.60e-01 -4.51e-01 -8.22e-01 -1.43e+00 -1.70e+00 ph/cm2/s
90%_error_hi 1.00e+00 5.66e-01 4.58e-01 1.10e+00 1.44e+00 1.80e+00 ph/cm2/s
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