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 23:37:14 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger568417
======================================================================
Trigger: 00568417 Segment: 000
BAT Trigger Time: 399447824 [s; MET]
Trigger Stop: 399447888 [s; MET]
UTC: 2013-08-29T05:43:33.032660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 182.436503188924 Dec: 46.5315062760872 [deg; J2000]
Catalogged Source?: YES
Point Source?: YES
GRB Indicated?: NO [ by BAT flight software ]
Image S/N Ratio: 13.79
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 13.79
Analysis Position: [ source = BAT ]
RA: 182.436503188924 Dec: 46.5315062760872 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 182.426038394831 Dec: 46.5218315481025 [deg; J2000]
{ 12h 09m 42.2s , +46d 31' 18.6" }
+/- 1.27063217388016 [arcmin] (estimated 90% radius based on SNR)
+/- 0.529132689092728 [arcmin] (formal 1-sigma fit error)
SNR: 21.6032254114142
Angular difference between the analysis and refined position is 0.723590 arcmin
Partial Coding Fraction: 0.84375 [ including projection effects ]
Duration
T90: 51.8839999437332 +/- 8.18044987657075
Measured from: 32.8999999761581
to: 84.7839999198914 [s; relative to TRIGTIME]
T50: 20.8279999494553 +/- 5.36724434042409
Measured from: 44.7120000123978
to: 65.539999961853 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 50.9039999842644
to: 51.9039999842644 [s; relative to TRIGTIME]
Total Fluence
Measured from: 28.0960000157356
to: 92.1320000290871 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.449003 0.718860 0.588641 0.116893
0.040678 0.042749 0.039071 0.036808 [error]
Peak 0.023893 0.027853 0.022011 0.004943
0.005148 0.005498 0.005002 0.004639 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 64.036 28.096 92.132
T90 51.884 32.900 84.784
T50 20.828 44.712 65.540
Peak 1.000 50.904 51.904
====== 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 -1.343 -0.120 0.121 - - - 2.02e-03 -1.36e-04 1.36e-04 59.530 57
CPL -1.071 -0.330 0.507 175.945 -83.306 -175.945 2.75e-03 -8.27e-04 2.05e-03 58.520 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 -1.500 -0.367 0.361 - - - 5.02e-03 -1.11e-03 1.09e-03 51.400 57
CPL -1.251 -0.607 1.817 133.497 -133.497 -133.497 6.92e-03 -2.99e-03 7.06e-02 51.320 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 1.43e-07 2.89e-07 4.56e-07 1.59e-06 1.27e-06 2.48e-06 erg/cm2
90%_error_low -1.73e-08 -2.11e-08 -3.89e-08 -2.82e-07 -9.53e-08 -3.11e-07 erg/cm2
90%_error_hi 1.79e-08 2.10e-08 3.87e-08 3.23e-07 9.61e-08 3.46e-07 erg/cm2
Peak flux PL 2.07e-01 2.08e-01 1.47e-01 1.65e-01 6.27e-01 7.27e-01 ph/cm2/s
90%_error_low -6.67e-02 -4.45e-02 -4.13e-02 -7.71e-02 -1.29e-01 -1.55e-01 ph/cm2/s
90%_error_hi 7.13e-02 4.40e-02 4.12e-02 1.12e-01 1.29e-01 1.59e-01 ph/cm2/s
Fluence CPL 1.36e-07 2.96e-07 4.64e-07 1.05e-06 1.24e-06 1.95e-06 erg/cm2
90%_error_low -2.09e-08 -2.44e-08 -4.17e-08 -5.02e-07 -1.08e-07 -5.10e-07 erg/cm2
90%_error_hi 2.13e-08 2.50e-08 4.25e-08 5.31e-07 1.07e-07 6.48e-07 erg/cm2
Peak flux CPL 2.01e-01 2.15e-01 1.48e-01 1.15e-01 6.21e-01 6.79e-01 ph/cm2/s
90%_error_low -7.41e-02 -5.02e-02 -4.94e-02 -1.15e-01 -1.34e-01 -1.82e-01 ph/cm2/s
90%_error_hi 7.42e-02 6.14e-02 4.40e-02 7.20e-02 1.32e-01 2.02e-01 ph/cm2/s
======================================================================
Special notes of this burst