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 v2.48
Process Start Time: Wed Jun 14 12:24:53 EDT 2023
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1123129
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Trigger: 01123129 Segment: 000
BAT Trigger Time: 684252355.584 [s; MET]
Trigger Stop: 684252356.608 [s; MET]
UTC: 2022-09-07T14:05:25.767040 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 268.870001475522 Dec: -20.3153434089484 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.52
Image Trigger?: NO
Rate S/N Ratio: 13.9642400437689 [ if not an image trigger ]
Image S/N Ratio: 8.52
Analysis Position: [ source = BAT ]
RA: 268.870001475522 Dec: -20.3153434089484 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 268.859737239318 Dec: -20.2975561348179 [deg; J2000]
{ 17h 55m 26.3s , -20d 17' 51.2" }
+/- 1.84686921582977 [arcmin] (estimated 90% radius based on SNR)
+/- 0.854461663850627 [arcmin] (formal 1-sigma fit error)
SNR: 12.6617962123207
Angular difference between the analysis and refined position is 1.213504 arcmin
Partial Coding Fraction: 0.90625 [ including projection effects ]
Duration
T90: 8.87999987602234 +/- 1.47397292721756
Measured from: -0.263999938964844
to: 8.6159999370575 [s; relative to TRIGTIME]
T50: 4.65199995040894 +/- 1.0846197289012
Measured from: 0.779999971389771
to: 5.43199992179871 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.700000047683716
to: 1.70000004768372 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.595999956130981
to: 9.23199999332428 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.119348 0.154724 0.209727 0.086153
0.025737 0.024638 0.021704 0.018836 [error]
Peak 0.027483 0.041412 0.047785 0.016366
0.008379 0.008336 0.007792 0.006684 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 9.828 -0.596 9.232
T90 8.880 -0.264 8.616
T50 4.652 0.780 5.432
Peak 1.000 0.700 1.700
====== 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 -1.011 -0.232 0.243 - - - 3.75e-03 -5.00e-04 4.94e-04 78.220 57
CPL -0.579 -0.540 1.372 199.097 -199.097 -199.097 5.67e-03 -2.65e-03 1.37e-02 77.750 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 -1.034 -0.319 0.334 - - - 8.58e-03 -1.66e-03 1.65e-03 72.260 57
CPL 0.618 -1.653 3.075 94.408 -25.033 2337.162 4.20e-02 -4.20e-02 4.86e-01 69.400 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 2.98e-08 7.40e-08 1.47e-07 7.26e-07 3.97e-07 9.77e-07 erg/cm2
90%_error_low -8.04e-09 -1.26e-08 -2.03e-08 -2.11e-07 -5.32e-08 -2.22e-07 erg/cm2
90%_error_hi 8.95e-09 1.23e-08 2.01e-08 2.70e-07 5.34e-08 2.73e-07 erg/cm2
Peak flux PL 2.26e-01 3.01e-01 2.94e-01 5.14e-01 9.90e-01 1.33e+00 ph/cm2/s
90%_error_low -8.14e-02 -7.26e-02 -6.02e-02 -1.92e-01 -1.95e-01 -2.66e-01 ph/cm2/s
90%_error_hi 9.41e-02 7.15e-02 5.95e-02 2.56e-01 1.96e-01 2.78e-01 ph/cm2/s
Fluence CPL 2.62e-08 7.51e-08 1.54e-07 4.40e-07 3.90e-07 6.96e-07 erg/cm2
90%_error_low -1.15e-08 -1.33e-08 -2.53e-08 -2.87e-07 -5.78e-08 -2.91e-07 erg/cm2
90%_error_hi 1.16e-08 1.34e-08 2.71e-08 5.16e-07 5.65e-08 3.59e-07 erg/cm2
Peak flux CPL 1.36e-01 3.08e-01 3.46e-01 1.74e-01 9.11e-01 9.64e-01 ph/cm2/s
90%_error_low -1.01e-01 -9.75e-02 -8.09e-02 -1.74e-01 -2.18e-01 -2.59e-01 ph/cm2/s
90%_error_hi 1.27e-01 8.59e-02 8.74e-02 3.56e-01 2.14e-01 4.03e-01 ph/cm2/s
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