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 23:56:49 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1035922
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Trigger: 01035922 Segment: 000
BAT Trigger Time: 636663811.072 [s; MET]
Trigger Stop: 636663812.096 [s; MET]
UTC: 2021-03-05T19:03:04.456060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 319.813864066684 Dec: 34.5566320474194 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 14.41
Image Trigger?: NO
Rate S/N Ratio: 31.2089730686545 [ if not an image trigger ]
Image S/N Ratio: 14.41
Analysis Position: [ source = BAT ]
RA: 319.813864066684 Dec: 34.5566320474194 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 319.808912766838 Dec: 34.5474601345238 [deg; J2000]
{ 21h 19m 14.1s , +34d 32' 50.9" }
+/- 0.720726026706376 [arcmin] (estimated 90% radius based on SNR)
+/- 0.214695586493493 [arcmin] (formal 1-sigma fit error)
SNR: 48.5628091327148
Angular difference between the analysis and refined position is 0.602257 arcmin
Partial Coding Fraction: 0.7421875 [ including projection effects ]
Duration
T90: 67.5239999294281 +/- 4.21072200095712
Measured from: -14.0880000591278
to: 53.4359998703003 [s; relative to TRIGTIME]
T50: 26.0239999294281 +/- 1.3456299985659
Measured from: -0.440000057220459
to: 25.5839998722076 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.259999990463257
to: 1.25999999046326 [s; relative to TRIGTIME]
Total Fluence
Measured from: -21.6480000019073
to: 69.8639999628067 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.742541 4.273590 3.299034 0.728094
0.075910 0.080343 0.070764 0.056850 [error]
Peak 0.074547 0.149961 0.145696 0.044887
0.009320 0.010890 0.010392 0.007311 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 91.512 -21.648 69.864
T90 67.524 -14.088 53.436
T50 26.024 -0.440 25.584
Peak 1.000 0.260 1.260
====== 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 -1.473 -0.044 0.044 - - - 8.28e-03 -2.01e-04 2.01e-04 74.040 57
CPL -0.913 -0.188 0.197 105.273 -14.159 25.943 1.50e-02 -2.67e-03 3.40e-03 46.030 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 -1.102 -0.124 0.125 - - - 2.89e-02 -2.16e-03 2.16e-03 48.700 57
CPL -0.742 -0.414 0.546 192.357 -84.872 -192.357 4.27e-02 -1.51e-02 3.31e-02 47.130 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 9.43e-07 1.76e-06 2.54e-06 7.76e-06 7.22e-06 1.30e-05 erg/cm2
90%_error_low -4.47e-08 -4.95e-08 -7.46e-08 -5.03e-07 -1.84e-07 -5.46e-07 erg/cm2
90%_error_hi 4.54e-08 4.93e-08 7.44e-08 5.26e-07 1.85e-07 5.64e-07 erg/cm2
Peak flux PL 8.14e-01 1.04e+00 9.67e-01 1.58e+00 3.35e+00 4.40e+00 ph/cm2/s
90%_error_low -1.15e-01 -9.34e-02 -8.08e-02 -2.60e-01 -2.57e-01 -3.51e-01 ph/cm2/s
90%_error_hi 1.20e-01 9.24e-02 8.02e-02 2.90e-01 2.57e-01 3.56e-01 ph/cm2/s
Fluence CPL 8.27e-07 1.82e-06 2.65e-06 3.90e-06 6.96e-06 9.20e-06 erg/cm2
90%_error_low -5.62e-08 -5.51e-08 -8.51e-08 -7.23e-07 -2.05e-07 -7.43e-07 erg/cm2
90%_error_hi 5.72e-08 5.54e-08 8.56e-08 9.26e-07 2.04e-07 9.33e-07 erg/cm2
Peak flux CPL 7.52e-01 1.07e+00 1.01e+00 1.09e+00 3.32e+00 3.92e+00 ph/cm2/s
90%_error_low -1.39e-01 -1.04e-01 -9.96e-02 -4.20e-01 -2.61e-01 -4.94e-01 ph/cm2/s
90%_error_hi 1.44e-01 1.06e-01 1.01e-01 5.93e-01 2.61e-01 6.82e-01 ph/cm2/s
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