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 23:33:45 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1099310
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Trigger: 01099310 Segment: 000
BAT Trigger Time: 669921411.904 [s; MET]
Trigger Stop: 669921412.928 [s; MET]
UTC: 2022-03-25T17:16:23.058720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 269.485349385526 Dec: -7.03074025444452 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.22
Image Trigger?: NO
Rate S/N Ratio: 15.8429795177549 [ if not an image trigger ]
Image S/N Ratio: 10.22
Analysis Position: [ source = BAT ]
RA: 269.485349385526 Dec: -7.03074025444452 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 269.469615017896 Dec: -7.0551317384227 [deg; J2000]
{ 17h 57m 52.7s , -07d 03' 18.5" }
+/- 1.46601907636884 [arcmin] (estimated 90% radius based on SNR)
+/- 0.734964046309979 [arcmin] (formal 1-sigma fit error)
SNR: 17.6106774789526
Angular difference between the analysis and refined position is 1.737715 arcmin
Partial Coding Fraction: 0.5234375 [ including projection effects ]
Duration
T90: 3.50399994850159 +/- 0.557641434486111
Measured from: -0.752000093460083
to: 2.7519998550415 [s; relative to TRIGTIME]
T50: 1.37999987602234 +/- 0.404969178192553
Measured from: 0.279999971389771
to: 1.65999984741211 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.531999945640564
to: 1.53199994564056 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.972000002861023
to: 3.01599991321564 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.206988 0.263250 0.091337 0.029800
0.019292 0.019099 0.015638 0.012862 [error]
Peak 0.057730 0.111384 0.035044 0.012827
0.010089 0.010426 0.008792 0.006574 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 3.988 -0.972 3.016
T90 3.504 -0.752 2.752
T50 1.380 0.280 1.660
Peak 1.000 0.532 1.532
====== 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 -2.059 -0.175 0.167 - - - 8.85e-03 -1.03e-03 1.01e-03 69.740 57
CPL -0.701 -0.951 1.283 39.290 -9.312 8.674 5.41e-02 -5.41e-02 2.55e-01 63.170 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 -1.849 -0.232 0.221 - - - 1.42e-02 -2.16e-03 2.12e-03 78.740 57
CPL 0.477 -1.869 3.429 43.505 -6.436 19.780 3.12e-01 -3.12e-01 3.20e+01 73.580 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 7.64e-08 1.00e-07 9.61e-08 1.64e-07 3.27e-07 4.37e-07 erg/cm2
90%_error_low -1.02e-08 -9.50e-09 -1.49e-08 -4.52e-08 -3.52e-08 -6.36e-08 erg/cm2
90%_error_hi 1.05e-08 9.51e-09 1.51e-08 5.51e-08 3.56e-08 7.04e-08 erg/cm2
Peak flux PL 8.16e-01 6.69e-01 3.71e-01 3.03e-01 1.99e+00 2.16e+00 ph/cm2/s
90%_error_low -1.59e-01 -9.01e-02 -7.15e-02 -9.94e-02 -2.70e-01 -2.90e-01 ph/cm2/s
90%_error_hi 1.66e-01 9.00e-02 7.16e-02 1.24e-01 2.70e-01 2.90e-01 ph/cm2/s
Fluence CPL 6.77e-08 1.16e-07 8.85e-08 2.54e-08 2.92e-07 2.98e-07 erg/cm2
90%_error_low -1.23e-08 -1.44e-08 -2.15e-08 -1.90e-08 -3.87e-08 -4.33e-08 erg/cm2
90%_error_hi 1.22e-08 1.52e-08 1.92e-08 5.90e-08 4.17e-08 6.87e-08 erg/cm2
Peak flux CPL 6.41e-01 8.41e-01 3.34e-01 2.66e-02 1.84e+00 1.85e+00 ph/cm2/s
90%_error_low -2.33e-01 -1.64e-01 -1.33e-01 -2.66e-02 -3.11e-01 -3.15e-01 ph/cm2/s
90%_error_hi 2.20e-01 1.76e-01 1.09e-01 1.48e-01 3.05e-01 3.17e-01 ph/cm2/s
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