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: Sat Jan 11 23:01:18 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger572308
======================================================================
Trigger: 00572308 Segment: 000
BAT Trigger Time: 402140204.224 [s; MET]
Trigger Stop: 402140205.248 [s; MET]
UTC: 2013-09-29T09:36:33.134240 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 135.069036940592 Dec: -47.5650235881594 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.91
Image Trigger?: NO
Rate S/N Ratio: 11.916375287813 [ if not an image trigger ]
Image S/N Ratio: 7.91
Analysis Position: [ source = BAT ]
RA: 135.069036940592 Dec: -47.5650235881594 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 135.024383867106 Dec: -47.5563355147385 [deg; J2000]
{ 09h 00m 05.9s , -47d 33' 22.8" }
+/- 1.64196610130637 [arcmin] (estimated 90% radius based on SNR)
+/- 0.723140109240809 [arcmin] (formal 1-sigma fit error)
SNR: 14.9780493096766
Angular difference between the analysis and refined position is 1.881589 arcmin
Partial Coding Fraction: 0.4453125 [ including projection effects ]
Duration
T90: 12.2400000095367 +/- 4.05928065016228
Measured from: -1.47999995946884
to: 10.7600000500679 [s; relative to TRIGTIME]
T50: 4.04800003767014 +/- 1.11670942199236
Measured from: 0.136000037193298
to: 4.18400007486343 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.32400000095367
to: 2.32400000095367 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.92799997329712
to: 12.4080000519753 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.388187 0.528107 0.258728 -0.022028
0.037468 0.041196 0.039912 0.042177 [error]
Peak 0.074948 0.062017 0.037513 0.013495
0.010389 0.011578 0.011049 0.010855 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 14.336 -1.928 12.408
T90 12.240 -1.480 10.760
T50 4.048 0.136 4.184
Peak 1.000 1.324 2.324
====== 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 -1.965 -0.190 0.180 - - - 5.36e-03 -6.76e-04 6.62e-04 51.640 57
CPL -0.968 -0.779 0.950 43.847 -11.331 17.937 1.98e-02 -1.25e-02 4.94e-02 46.630 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 -2.059 -0.392 0.347 - - - 1.10e-02 -2.84e-03 2.70e-03 76.400 57
CPL -1.999 -0.237 0.998 4.907 N/A N/A 1.14e-02 N/A N/A 76.470 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 1.52e-07 2.11e-07 2.16e-07 4.04e-07 7.08e-07 9.83e-07 erg/cm2
90%_error_low -2.08e-08 -2.09e-08 -3.67e-08 -1.21e-07 -8.44e-08 -1.65e-07 erg/cm2
90%_error_hi 2.13e-08 2.09e-08 3.74e-08 1.51e-07 8.62e-08 1.89e-07 erg/cm2
Peak flux PL 7.73e-01 5.60e-01 2.69e-01 1.82e-01 1.69e+00 1.78e+00 ph/cm2/s
90%_error_low -1.86e-01 -1.02e-01 -8.90e-02 -9.40e-02 -2.98e-01 -3.23e-01 ph/cm2/s
90%_error_hi 1.92e-01 1.01e-01 9.29e-02 1.41e-01 2.98e-01 3.26e-01 ph/cm2/s
Fluence CPL 1.38e-07 2.36e-07 2.08e-07 9.45e-08 6.47e-07 6.76e-07 erg/cm2
90%_error_low -2.41e-08 -2.83e-08 -4.51e-08 -6.35e-08 -8.92e-08 -1.12e-07 erg/cm2
90%_error_hi 2.42e-08 2.92e-08 4.32e-08 1.84e-07 9.54e-08 2.01e-07 erg/cm2
Peak flux CPL 7.81e-01 5.54e-01 2.69e-01 N/A 1.66e+00 1.79e+00 ph/cm2/s
90%_error_low -2.29e-01 N/A N/A -9.40e-02 N/A N/A ph/cm2/s
90%_error_hi 1.86e-01 N/A N/A 1.41e-01 N/A N/A ph/cm2/s
======================================================================
Special notes of this burst