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 v2.46
Process Start Time: Wed Nov 27 19:36:16 EST 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger929744
======================================================================
Trigger: 00929744 Segment: 000
BAT Trigger Time: 592891764.672 [s; MET]
Trigger Stop: 592891781.056 [s; MET]
UTC: 2019-10-16T04:09:00.915720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 30.2956005884388 Dec: 24.5009472918732 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 17.91
Image Trigger?: NO
Rate S/N Ratio: 19.3907194296653 [ if not an image trigger ]
Image S/N Ratio: 17.91
Analysis Position: [ source = BAT ]
RA: 30.2956005884388 Dec: 24.5009472918732 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 30.2760895965852 Dec: 24.4978632545997 [deg; J2000]
{ 02h 01m 06.3s , +24d 29' 52.3" }
+/- 0.933854488414703 [arcmin] (estimated 90% radius based on SNR)
+/- 0.268579828678173 [arcmin] (formal 1-sigma fit error)
SNR: 33.5410497434109
Angular difference between the analysis and refined position is 1.081212 arcmin
Partial Coding Fraction: 0.6484375 [ including projection effects ]
Duration
T90: 126.679999947548 +/- 7.72798026488531
Measured from: -28.9760000705719
to: 97.703999876976 [s; relative to TRIGTIME]
T50: 46.107999920845 +/- 3.49813667098309
Measured from: -9.86000001430511
to: 36.2479999065399 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -7.75200009346008
to: -6.75200009346008 [s; relative to TRIGTIME]
Total Fluence
Measured from: -42.8280000686646
to: 118.815999984741 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.807508 3.405934 2.472948 0.588522
0.099742 0.104365 0.092918 0.082995 [error]
Peak 0.051558 0.067499 0.046552 0.014588
0.008435 0.008721 0.007994 0.006922 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 161.644 -42.828 118.816
T90 126.680 -28.976 97.704
T50 46.108 -9.860 36.248
Peak 1.000 -7.752 -6.752
====== 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 -1.637 -0.070 0.070 - - - 3.77e-03 -1.42e-04 1.42e-04 39.730 57
CPL -1.449 -0.221 0.282 148.007 -60.139 -148.007 4.67e-03 -9.89e-04 1.71e-03 38.270 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 -1.642 -0.262 0.251 - - - 1.13e-02 -1.86e-03 1.82e-03 44.520 57
CPL -1.000 -0.553 1.342 69.938 -24.949 -69.938 2.55e-02 -1.56e-02 1.14e-01 43.440 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 8.85e-07 1.50e-06 1.92e-06 4.98e-06 5.68e-06 9.29e-06 erg/cm2
90%_error_low -5.90e-08 -5.86e-08 -9.67e-08 -5.33e-07 -2.27e-07 -6.03e-07 erg/cm2
90%_error_hi 6.04e-08 5.84e-08 9.66e-08 5.76e-07 2.28e-07 6.37e-07 erg/cm2
Peak flux PL 5.32e-01 4.92e-01 3.15e-01 3.11e-01 1.47e+00 1.65e+00 ph/cm2/s
90%_error_low -1.16e-01 -7.24e-02 -6.67e-02 -1.12e-01 -2.14e-01 -2.48e-01 ph/cm2/s
90%_error_hi 1.22e-01 7.23e-02 6.68e-02 1.46e-01 2.14e-01 2.51e-01 ph/cm2/s
Fluence CPL 8.54e-07 1.52e-06 1.94e-06 3.74e-06 5.59e-06 8.06e-06 erg/cm2
90%_error_low -7.31e-08 -6.67e-08 -1.01e-07 -1.20e-06 -2.62e-07 -1.23e-06 erg/cm2
90%_error_hi 7.42e-08 6.74e-08 1.02e-07 1.36e-06 2.61e-07 1.47e-06 erg/cm2
Peak flux CPL 4.92e-01 5.30e-01 3.21e-01 1.40e-01 1.43e+00 1.48e+00 ph/cm2/s
90%_error_low -1.37e-01 -9.40e-02 -7.47e-02 -1.40e-01 -2.22e-01 -2.55e-01 ph/cm2/s
90%_error_hi 1.38e-01 1.00e-01 7.41e-02 2.13e-01 2.21e-01 3.27e-01 ph/cm2/s
======================================================================
Special notes of this burst