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 Jan 22 12:03:11 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger238108
======================================================================
Trigger: 00238108 Segment: 000
BAT Trigger Time: 184852042.88 [s; MET]
Trigger Stop: 184852044.928 [s; MET]
UTC: 2006-11-10T11:47:21.318140 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 336.30368447156 Dec: -2.26672228601831 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.33
Image Trigger?: NO
Rate S/N Ratio: 8 [ if not an image trigger ]
Image S/N Ratio: 7.33
Analysis Position: [ source = BAT ]
RA: 336.30368447156 Dec: -2.26672228601831 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 336.285915402244 Dec: -2.25967051729736 [deg; J2000]
{ 22h 25m 08.6s , -02d 15' 34.8" }
+/- 1.14669362771445 [arcmin] (estimated 90% radius based on SNR)
+/- 0.43026213724939 [arcmin] (formal 1-sigma fit error)
SNR: 25.0145977831664
Angular difference between the analysis and refined position is 1.146259 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 44.5080000162125 +/- 5.90336208604624
Measured from: -6.2039999961853
to: 38.3040000200272 [s; relative to TRIGTIME]
T50: 22.1440000236034 +/- 3.23418241155829
Measured from: 1.04399999976158
to: 23.188000023365 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.11599999666214
to: 3.11599999666214 [s; relative to TRIGTIME]
Total Fluence
Measured from: -8.7960000038147
to: 44.8840000033379 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.656172 0.736010 0.510980 0.088161
0.036070 0.038080 0.035543 0.036373 [error]
Peak 0.031733 0.016642 0.009808 0.015331
0.005055 0.005286 0.005076 0.005195 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 53.680 -8.796 44.884
T90 44.508 -6.204 38.304
T50 22.144 1.044 23.188
Peak 1.000 2.116 3.116
====== 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 -1.643 -0.118 0.116 - - - 2.26e-03 -1.48e-04 1.47e-04 59.030 57
CPL -1.556 -0.196 0.448 240.328 -240.328 -240.328 2.51e-03 -6.45e-04 1.74e-03 58.900 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 -2.040 -0.599 0.517 - - - 3.08e-03 -1.22e-03 1.17e-03 59.970 57
CPL -2.101 -0.487 2.431 44.496 N/A N/A 2.65e-03 N/A N/A 59.770 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 1.77e-07 2.98e-07 3.81e-07 9.81e-07 1.13e-06 1.84e-06 erg/cm2
90%_error_low -1.75e-08 -1.78e-08 -3.50e-08 -1.80e-07 -7.99e-08 -2.11e-07 erg/cm2
90%_error_hi 1.81e-08 1.78e-08 3.51e-08 2.08e-07 8.11e-08 2.34e-07 erg/cm2
Peak flux PL 2.14e-01 1.57e-01 7.61e-02 5.25e-02 4.71e-01 4.99e-01 ph/cm2/s
90%_error_low -6.95e-02 -4.25e-02 -3.69e-02 -3.60e-02 -1.18e-01 -1.31e-01 ph/cm2/s
90%_error_hi 7.01e-02 4.07e-02 4.20e-02 7.14e-02 1.18e-01 1.36e-01 ph/cm2/s
Fluence CPL 1.75e-07 3.00e-07 3.82e-07 8.39e-07 1.12e-06 1.70e-06 erg/cm2
90%_error_low -2.07e-08 -1.98e-08 -3.54e-08 -4.26e-07 -9.55e-08 -4.40e-07 erg/cm2
90%_error_hi 1.82e-08 2.17e-08 3.57e-08 1.81e-07 8.96e-08 2.08e-07 erg/cm2
Peak flux CPL 2.02e-01 1.43e-01 7.02e-02 5.48e-02 4.40e-01 4.74e-01 ph/cm2/s
90%_error_low N/A N/A N/A -5.48e-02 -2.36e-01 N/A ph/cm2/s
90%_error_hi N/A N/A N/A 2.74e-02 1.47e-01 N/A ph/cm2/s
======================================================================
Special notes of this burst