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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Tue Sep 29 19:43:28 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger654042
======================================================================
Trigger: 00654042 Segment: 000
BAT Trigger Time: 462814010.752 [s; MET]
Trigger Stop: 462814018.944 [s; MET]
UTC: 2015-09-01T15:26:35.677500 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 183.585766451719 Dec: 25.0385495735529 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.11
Image Trigger?: NO
Rate S/N Ratio: 10.3440804327886 [ if not an image trigger ]
Image S/N Ratio: 7.11
Analysis Position: [ source = BAT ]
RA: 183.585766451719 Dec: 25.0385495735529 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 183.588313357 Dec: 25.0764327696 [deg; J2000]
{ 12h 14m 21.2s , +25d 04' 35.2" }
+/- 2.55490413801 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.96547115941
Angular difference between the analysis and refined position is 2.277203 arcmin
Partial Coding Fraction: 0.4140625 [ including projection effects ]
Duration
T90: 64 +/- 35.7770876399966
Measured from: -61.7519999742508
to: 2.24800002574921 [s; relative to TRIGTIME]
T50: 64 +/- 16
Measured from: -61.7519999742508
to: 2.24800002574921 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 9.74800002574921
to: 10.7480000257492 [s; relative to TRIGTIME]
Total Fluence
Measured from: -61.7519999742508
to: 18.2480000257492 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.482450 0.330587 0.144066 0.009591
0.075532 0.078198 0.067571 0.059069 [error]
Peak 0.006878 0.004324 0.001329 0.006645
0.008999 0.008773 0.007576 0.006798 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 80.000 -61.752 18.248
T90 64.000 -61.752 2.248
T50 64.000 -61.752 2.248
Peak 1.000 9.748 10.748
====== 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 -2.592 -0.552 0.449 - - - 5.53e-04 -2.19e-04 2.24e-04 48.640 57
CPL -1.867 N/A N/A 5.760 N/A N/A 1.73e-03 N/A N/A 48.310 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 -0.829 0.829 0.829 - - - 4.37e-04 -4.37e-04 -4.34e-04 62.930 57
CPL -0.435 0.435 0.435 221.975 N/A N/A 6.61e-04 N/A N/A 62.930 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 1.59e-07 1.52e-07 1.01e-07 1.04e-07 4.55e-07 5.16e-07 erg/cm2
90%_error_low -3.84e-08 -4.20e-08 -4.90e-08 -7.10e-08 -1.25e-07 -1.66e-07 erg/cm2
90%_error_hi 3.85e-08 3.98e-08 5.94e-08 1.41e-07 1.36e-07 2.20e-07 erg/cm2
Peak flux PL 9.50e-03 1.43e-02 1.61e-02 3.44e-02 5.02e-02 7.42e-02 ph/cm2/s
90%_error_low -9.50e-03 -1.43e-02 -1.61e-02 -3.44e-02 -5.02e-02 -7.42e-02 ph/cm2/s
90%_error_hi 1.30e-01 7.30e-02 5.41e-02 7.23e-01 2.10e-01 7.10e-01 ph/cm2/s
Fluence CPL 1.60e-07 1.56e-07 9.92e-08 9.96e-08 4.56e-07 5.20e-07 erg/cm2
90%_error_low -4.20e-08 N/A -4.93e-08 N/A -1.26e-07 -1.65e-07 erg/cm2
90%_error_hi 3.86e-08 N/A 6.42e-08 N/A 1.38e-07 5.09e-07 erg/cm2
Peak flux CPL 8.98e-03 1.43e-02 1.65e-02 2.90e-02 4.98e-02 6.68e-02 ph/cm2/s
90%_error_low -8.98e-03 -1.43e-02 -1.65e-02 -2.90e-02 -4.98e-02 N/A ph/cm2/s
90%_error_hi 1.27e-01 1.43e-01 6.94e-02 1.11e+00 2.08e-01 N/A ph/cm2/s
======================================================================
Special notes of this burst