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: Fri Jul 29 23:31:18 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1044236
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Trigger: 01044236 Segment: 000
BAT Trigger Time: 640567696 [s; MET]
Trigger Stop: 640567760 [s; MET]
UTC: 2021-04-19T23:27:49.124960 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 212.967782252655 Dec: 35.9985418752642 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.81
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 12.81
Analysis Position: [ source = BAT ]
RA: 212.967782252655 Dec: 35.9985418752642 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 212.961104221361 Dec: 35.9952863248875 [deg; J2000]
{ 14h 11m 50.7s , +35d 59' 43.0" }
+/- 1.69728304086601 [arcmin] (estimated 90% radius based on SNR)
+/- 1.02883628737264 [arcmin] (formal 1-sigma fit error)
SNR: 14.2855837531291
Angular difference between the analysis and refined position is 0.378473 arcmin
Partial Coding Fraction: 0.71875 [ including projection effects ]
Duration
T90: 54.4919998645782 +/- 12.0104655973999
Measured from: 26.2640000581741
to: 80.7559999227524 [s; relative to TRIGTIME]
T50: 16.7919999361038 +/- 10.5560464329482
Measured from: 40.8159999847412
to: 57.607999920845 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 47.972000002861
to: 48.972000002861 [s; relative to TRIGTIME]
Total Fluence
Measured from: 11.960000038147
to: 88.7799999713898 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.692219 0.681621 0.182173 0.071353
0.065066 0.066559 0.057263 0.049632 [error]
Peak 0.031525 0.041424 0.016436 0.001344
0.007691 0.007958 0.006823 0.005429 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 76.820 11.960 88.780
T90 54.492 26.264 80.756
T50 16.792 40.816 57.608
Peak 1.000 47.972 48.972
====== 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 -2.426 -0.272 0.245 - - - 1.04e-03 -2.01e-04 1.97e-04 56.590 57
CPL -1.611 -0.398 1.411 17.562 -15.070 14.676 3.33e-03 -1.80e-03 2.28e-02 55.040 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 -1.877 -0.484 0.437 - - - 5.78e-03 -1.71e-03 1.60e-03 76.210 57
CPL -1.878 -0.484 0.599 9999.150 -9999.140 -9999.150 5.77e-03 -3.87e-03 2.39e-02 76.210 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 2.45e-07 2.57e-07 1.91e-07 2.31e-07 7.82e-07 9.24e-07 erg/cm2
90%_error_low -3.62e-08 -3.41e-08 -4.87e-08 -9.54e-08 -1.14e-07 -1.70e-07 erg/cm2
90%_error_hi 3.68e-08 3.34e-08 5.20e-08 1.33e-07 1.18e-07 1.98e-07 erg/cm2
Peak flux PL 3.42e-01 2.76e-01 1.50e-01 1.20e-01 8.21e-01 8.87e-01 ph/cm2/s
90%_error_low -1.18e-01 -6.44e-02 -5.65e-02 -6.95e-02 -1.93e-01 -2.09e-01 ph/cm2/s
90%_error_hi 1.24e-01 6.44e-02 5.67e-02 1.10e-01 1.93e-01 2.10e-01 ph/cm2/s
Fluence CPL 2.35e-07 2.80e-07 1.69e-07 5.46e-08 7.24e-07 7.39e-07 erg/cm2
90%_error_low -4.02e-08 -4.19e-08 -6.52e-08 -4.73e-08 -1.19e-07 -1.32e-07 erg/cm2
90%_error_hi 3.87e-08 4.73e-08 6.26e-08 1.58e-07 1.32e-07 2.14e-07 erg/cm2
Peak flux CPL 3.21e-01 2.16e-01 9.87e-02 7.33e-02 6.66e-01 7.11e-01 ph/cm2/s
90%_error_low -1.42e-01 -9.46e-02 -9.87e-02 -7.33e-02 -2.92e-01 -3.16e-01 ph/cm2/s
90%_error_hi 1.36e-01 1.25e-01 3.75e-02 4.92e-02 4.76e-01 3.66e-01 ph/cm2/s
======================================================================