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: Thu Sep 11 13:01:22 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger332399
======================================================================
Trigger: 00332399 Segment: 000
BAT Trigger Time: 246378232 [s; MET]
Trigger Stop: 246378296 [s; MET]
UTC: 2008-10-22T14:23:48.804900 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 226.618689631337 Dec: 12.4160839741371 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 14.84
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 14.84
Analysis Position: [ source = BAT ]
RA: 226.618689631337 Dec: 12.4160839741371 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 226.581519842759 Dec: 12.4092449267054 [deg; J2000]
{ 15h 06m 19.6s , +12d 24' 33.3" }
+/- 1.40617389679695 [arcmin] (estimated 90% radius based on SNR)
+/- 0.543495283891171 [arcmin] (formal 1-sigma fit error)
SNR: 18.6910650488041
Angular difference between the analysis and refined position is 2.216373 arcmin
Partial Coding Fraction: 0.6484375 [ including projection effects ]
Duration
T90: 157.580000013113 +/- 41.8824727554893
Measured from: 11.4880000054836
to: 169.068000018597 [s; relative to TRIGTIME]
T50: 59.5679999887943 +/- 8.23259083705847
Measured from: 39.4040000140667
to: 98.972000002861 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 57.1759999990463
to: 58.1759999990463 [s; relative to TRIGTIME]
Total Fluence
Measured from: -4.92800000309944
to: 213.819999992847 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.288665 1.634069 1.128120 0.318785
0.085315 0.087420 0.077443 0.068146 [error]
Peak 0.027263 0.024102 0.020305 0.007837
0.005889 0.006391 0.005577 0.004784 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 218.748 -4.928 213.820
T90 157.580 11.488 169.068
T50 59.568 39.404 98.972
Peak 1.000 57.176 58.176
====== 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 -1.615 -0.113 0.112 - - - 1.27e-03 -8.18e-05 8.13e-05 47.090 57
CPL -1.306 -0.362 0.494 108.295 -40.166 -108.295 1.83e-03 -6.18e-04 1.43e-03 45.700 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 -1.649 -0.492 0.456 - - - 4.66e-03 -1.34e-03 1.25e-03 48.390 57
CPL -1.667 -0.676 0.928 9999.360 N/A N/A 4.61e-03 N/A N/A 48.400 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 3.94e-07 6.75e-07 8.81e-07 2.33e-06 2.59e-06 4.28e-06 erg/cm2
90%_error_low -4.04e-08 -4.25e-08 -7.62e-08 -4.04e-07 -1.79e-07 -4.71e-07 erg/cm2
90%_error_hi 4.16e-08 4.24e-08 7.63e-08 4.60e-07 1.81e-07 5.15e-07 erg/cm2
Peak flux PL 2.21e-01 2.04e-01 1.30e-01 1.28e-01 6.09e-01 6.83e-01 ph/cm2/s
90%_error_low -8.26e-02 -4.98e-02 -4.81e-02 -7.43e-02 -1.46e-01 -1.70e-01 ph/cm2/s
90%_error_hi 8.83e-02 4.94e-02 4.74e-02 1.19e-01 1.46e-01 1.74e-01 ph/cm2/s
Fluence CPL 3.75e-07 6.96e-07 8.91e-07 1.43e-06 2.51e-06 3.39e-06 erg/cm2
90%_error_low -4.86e-08 -5.21e-08 -8.00e-08 -6.84e-07 -2.09e-07 -7.16e-07 erg/cm2
90%_error_hi 4.91e-08 5.34e-08 8.09e-08 1.03e-06 2.09e-07 1.08e-06 erg/cm2
Peak flux CPL 2.05e-01 1.52e-01 7.82e-02 6.86e-02 4.63e-01 5.03e-01 ph/cm2/s
90%_error_low N/A -7.76e-02 -3.77e-02 -3.41e-02 -2.33e-01 -2.49e-01 ph/cm2/s
90%_error_hi N/A 7.36e-02 2.33e-02 2.79e-02 1.07e+00 1.67e-01 ph/cm2/s
======================================================================
Special notes of this burst