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: Sun Oct 23 23:39:57 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1094950
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Trigger: 01094950 Segment: 000
BAT Trigger Time: 667899648.192 [s; MET]
Trigger Stop: 667899652.288 [s; MET]
UTC: 2022-03-02T07:40:19.483320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 301.431936947381 Dec: 49.3889348270439 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.47
Image Trigger?: NO
Rate S/N Ratio: 9.79795897113271 [ if not an image trigger ]
Image S/N Ratio: 7.47
Analysis Position: [ source = BAT ]
RA: 301.431936947381 Dec: 49.3889348270439 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 301.398540470341 Dec: 49.4074921603604 [deg; J2000]
{ 20h 05m 35.6s , +49d 24' 27.0" }
+/- 2.73845148288855 [arcmin] (estimated 90% radius based on SNR)
+/- 1.22395091858171 [arcmin] (formal 1-sigma fit error)
SNR: 7.2129208136069
Angular difference between the analysis and refined position is 1.714737 arcmin
Partial Coding Fraction: 0.4453125 [ including projection effects ]
Duration
T90: 6.59200000762939 +/- 2.09326531433751
Measured from: -1.56000006198883
to: 5.03199994564056 [s; relative to TRIGTIME]
T50: 2.73600006103516 +/- 1.3268428140899
Measured from: 0.615999937057495
to: 3.35199999809265 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.363999962806702
to: 1.3639999628067 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.86400008201599
to: 5.38399994373322 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.176902 0.154039 0.183094 0.030558
0.035265 0.036764 0.032858 0.029864 [error]
Peak 0.043073 0.038558 0.056087 0.021156
0.013544 0.014177 0.013025 0.010980 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 7.248 -1.864 5.384
T90 6.592 -1.560 5.032
T50 2.736 0.616 3.352
Peak 1.000 0.364 1.364
====== 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 -1.409 -0.361 0.362 - - - 5.21e-03 -1.04e-03 1.04e-03 49.180 57
CPL -1.347 -3.087 1.336 556.909 -556.909 -556.909 5.58e-03 -1.39e-03 -5.58e-03 49.210 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 -1.322 -0.461 0.485 - - - 1.08e-02 -2.82e-03 2.83e-03 44.130 57
CPL -1.326 -0.457 0.495 9999.350 -9999.350 -9999.350 1.08e-02 -2.81e-03 2.86e-03 44.140 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 4.43e-08 8.61e-08 1.30e-07 4.23e-07 3.64e-07 6.83e-07 erg/cm2
90%_error_low -1.54e-08 -1.92e-08 -3.27e-08 -1.94e-07 -7.89e-08 -2.23e-07 erg/cm2
90%_error_hi 1.70e-08 1.86e-08 3.19e-08 2.82e-07 7.96e-08 2.94e-07 erg/cm2
Peak flux PL 3.75e-01 4.20e-01 3.36e-01 4.46e-01 1.30e+00 1.58e+00 ph/cm2/s
90%_error_low -1.78e-01 -1.36e-01 -1.01e-01 -2.30e-01 -3.61e-01 -4.15e-01 ph/cm2/s
90%_error_hi 2.06e-01 1.30e-01 9.79e-02 3.42e-01 3.64e-01 4.17e-01 ph/cm2/s
Fluence CPL 4.54e-08 8.58e-08 1.29e-07 4.33e-07 3.65e-07 6.42e-07 erg/cm2
90%_error_low -1.98e-08 -1.89e-08 -3.23e-08 -3.44e-07 -7.58e-08 -3.07e-07 erg/cm2
90%_error_hi 1.83e-08 2.14e-08 3.69e-08 1.42e-07 6.75e-08 3.20e-07 erg/cm2
Peak flux CPL 3.93e-01 4.11e-01 3.27e-01 4.43e-01 1.31e+00 1.66e+00 ph/cm2/s
90%_error_low N/A N/A -3.27e-01 N/A N/A -1.66e+00 ph/cm2/s
90%_error_hi N/A N/A 1.46e-01 N/A N/A 4.46e-01 ph/cm2/s
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