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: Sat Oct 19 15:10:44 EDT 2024
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1242223
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Trigger: 01242223 Segment: 000
BAT Trigger Time: 742447666.624 [s; MET]
Trigger Stop: 742447674.816 [s; MET]
UTC: 2024-07-12T03:27:12.831520 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 122.368929948927 Dec: -37.0767268156002 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.11
Image Trigger?: NO
Rate S/N Ratio: 12.6095202129185 [ if not an image trigger ]
Image S/N Ratio: 7.11
Analysis Position: [ source = BAT ]
RA: 122.368929948927 Dec: -37.0767268156002 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 122.37956792607 Dec: -37.097278920141 [deg; J2000]
{ 08h 09m 31.1s , -37d 05' 50.2" }
+/- 2.48858899462288 [arcmin] (estimated 90% radius based on SNR)
+/- 1.43358141336616 [arcmin] (formal 1-sigma fit error)
SNR: 8.26934260453583
Angular difference between the analysis and refined position is 1.334111 arcmin
Partial Coding Fraction: 0.9375 [ including projection effects ]
Duration
T90: 12.7799999713898 +/- 2.71105891575919
Measured from: -0.579999923706055
to: 12.2000000476837 [s; relative to TRIGTIME]
T50: 6.73199987411499 +/- 3.54843072359151
Measured from: 1.39200007915497
to: 8.12399995326996 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.24000000953674
to: 2.24000000953674 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.08799993991852
to: 12.4000000953674 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.081796 0.138233 0.133574 0.010123
0.022119 0.023154 0.020141 0.017350 [error]
Peak 0.011047 0.023502 0.025209 0.002494
0.006073 0.006486 0.005626 0.004758 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 13.488 -1.088 12.400
T90 12.780 -0.580 12.200
T50 6.732 1.392 8.124
Peak 1.000 1.240 2.240
====== 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 -1.290 -0.279 0.282 - - - 1.98e-03 -3.24e-04 3.23e-04 51.450 57
CPL -0.698 -0.807 1.342 118.266 -50.205 -118.266 3.78e-03 -2.05e-03 1.10e-02 50.540 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 -1.315 -0.491 0.491 - - - 4.08e-03 -1.20e-03 1.19e-03 64.060 57
CPL 0.070 -1.749 3.677 82.030 -57.920 -82.030 1.78e-02 -1.78e-02 5.42e-01 62.910 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 2.80e-08 5.85e-08 9.57e-08 3.53e-07 2.64e-07 5.35e-07 erg/cm2
90%_error_low -7.89e-09 -1.06e-08 -1.93e-08 -1.32e-07 -4.78e-08 -1.49e-07 erg/cm2
90%_error_hi 8.53e-09 1.04e-08 1.90e-08 1.79e-07 4.83e-08 1.88e-07 erg/cm2
Peak flux PL 1.41e-01 1.58e-01 1.27e-01 1.70e-01 4.88e-01 5.96e-01 ph/cm2/s
90%_error_low -6.62e-02 -5.22e-02 -4.43e-02 -9.51e-02 -1.45e-01 -1.78e-01 ph/cm2/s
90%_error_hi 7.70e-02 5.08e-02 4.32e-02 1.45e-01 1.46e-01 1.82e-01 ph/cm2/s
Fluence CPL 2.47e-08 6.15e-08 1.01e-07 1.66e-07 2.56e-07 3.53e-07 erg/cm2
90%_error_low -9.88e-09 -1.14e-08 -2.16e-08 -1.15e-07 -5.03e-08 -1.27e-07 erg/cm2
90%_error_hi 1.02e-08 1.26e-08 2.26e-08 3.45e-07 5.09e-08 2.48e-07 erg/cm2
Peak flux CPL 1.01e-01 1.72e-01 1.47e-01 6.06e-02 4.62e-01 4.80e-01 ph/cm2/s
90%_error_low -7.91e-02 -6.43e-02 -5.43e-02 -6.06e-02 -1.54e-01 -1.69e-01 ph/cm2/s
90%_error_hi 9.77e-02 6.34e-02 5.87e-02 1.54e-01 1.53e-01 2.21e-01 ph/cm2/s
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