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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.48
Process Start Time: Sun Oct 23 23:29:05 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1101675
======================================================================
Trigger: 01101675 Segment: 000
BAT Trigger Time: 671089593.152 [s; MET]
Trigger Stop: 671089593.664 [s; MET]
UTC: 2022-04-08T05:46:04.227800 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 202.402022913259 Dec: 47.0613353293178 [deg; J2000]
Catalogged Source?: YES
Point Source?: YES
GRB Indicated?: NO [ by BAT flight software ]
Image S/N Ratio: 12.8
Image Trigger?: NO
Rate S/N Ratio: 28.5657137141714 [ if not an image trigger ]
Image S/N Ratio: 12.8
Analysis Position: [ source = BAT ]
RA: 202.402022913259 Dec: 47.0613353293178 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 202.395819101389 Dec: 47.0653684886708 [deg; J2000]
{ 13h 29m 35.0s , +47d 03' 55.3" }
+/- 1.19354342085177 [arcmin] (estimated 90% radius based on SNR)
+/- 0.530967607750412 [arcmin] (formal 1-sigma fit error)
SNR: 23.623785450518
Angular difference between the analysis and refined position is 0.350501 arcmin
Partial Coding Fraction: 0.3476562 [ including projection effects ]
Duration
T90: 17.2439999580383 +/- 1.10910416533713
Measured from: -0.0799999237060547
to: 17.1640000343323 [s; relative to TRIGTIME]
T50: 4.42400002479553 +/- 1.56708644468565
Measured from: 1.35199999809265
to: 5.77600002288818 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.4760000705719
to: 3.4760000705719 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.547999978065491
to: 18.2560000419617 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.867562 0.902255 0.457872 -0.043965
0.050107 0.052101 0.044539 0.039121 [error]
Peak 0.176859 0.237054 0.098887 -0.003460
0.014780 0.016092 0.012696 0.009361 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 18.804 -0.548 18.256
T90 17.244 -0.080 17.164
T50 4.424 1.352 5.776
Peak 1.000 2.476 3.476
====== 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 -2.137 -0.130 0.125 - - - 7.13e-03 -6.25e-04 6.17e-04 68.280 57
CPL -1.159 -0.534 0.613 35.676 -10.050 6.823 2.61e-02 -1.31e-02 3.31e-02 57.370 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 -2.094 -0.143 0.136 - - - 3.09e-02 -3.23e-03 3.19e-03 78.400 57
CPL 0.041 -0.783 0.945 39.404 -4.136 4.478 5.38e-01 -5.38e-01 1.41e+00 50.450 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 3.12e-07 3.90e-07 3.55e-07 5.62e-07 1.25e-06 1.62e-06 erg/cm2
90%_error_low -2.95e-08 -2.68e-08 -4.19e-08 -1.20e-07 -9.79e-08 -1.72e-07 erg/cm2
90%_error_hi 3.01e-08 2.68e-08 4.26e-08 1.40e-07 9.92e-08 1.86e-07 erg/cm2
Peak flux PL 2.26e+00 1.60e+00 7.50e-01 4.93e-01 4.84e+00 5.10e+00 ph/cm2/s
90%_error_low -2.55e-01 -1.37e-01 -9.89e-02 -1.10e-01 -4.16e-01 -4.36e-01 ph/cm2/s
90%_error_hi 2.60e-01 1.37e-01 9.99e-02 1.27e-01 4.16e-01 4.36e-01 ph/cm2/s
Fluence CPL 2.86e-07 4.35e-07 3.38e-07 1.34e-07 1.15e-06 1.19e-06 erg/cm2
90%_error_low -3.34e-08 -3.57e-08 -5.20e-08 -7.13e-08 -1.04e-07 -1.28e-07 erg/cm2
90%_error_hi 3.36e-08 3.65e-08 5.00e-08 1.42e-07 1.08e-07 1.73e-07 erg/cm2
Peak flux CPL 1.86e+00 2.03e+00 7.28e-01 6.04e-02 4.67e+00 4.68e+00 ph/cm2/s
90%_error_low -2.97e-01 -2.01e-01 -1.39e-01 -3.70e-02 -4.17e-01 -4.19e-01 ph/cm2/s
90%_error_hi 3.00e-01 2.06e-01 1.34e-01 6.87e-02 4.18e-01 4.21e-01 ph/cm2/s
======================================================================