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: Sun Jan 12 03:07:39 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger556344
======================================================================
Trigger: 00556344 Segment: 000
BAT Trigger Time: 390869367.36 [s; MET]
Trigger Stop: 390869368.384 [s; MET]
UTC: 2013-05-21T22:49:16.777540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 87.5593927071589 Dec: 14.4524334755583 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.11
Image Trigger?: NO
Rate S/N Ratio: 24.5153013442625 [ if not an image trigger ]
Image S/N Ratio: 12.11
Analysis Position: [ source = BAT ]
RA: 87.5593927071589 Dec: 14.4524334755583 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 87.5671644965006 Dec: 14.4708670445226 [deg; J2000]
{ 05h 50m 16.1s , +14d 28' 15.1" }
+/- 1.61520536666794 [arcmin] (estimated 90% radius based on SNR)
+/- 0.760141059001048 [arcmin] (formal 1-sigma fit error)
SNR: 15.3338131634135
Angular difference between the analysis and refined position is 1.194633 arcmin
Partial Coding Fraction: 0.671875 [ including projection effects ]
Duration
T90: 10.9559999704361 +/- 2.50452706799813
Measured from: -0.328000009059906
to: 10.6279999613762 [s; relative to TRIGTIME]
T50: 2.35999995470047 +/- 1.94983590135906
Measured from: 0.472000002861023
to: 2.83199995756149 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.136000037193298
to: 0.863999962806702 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.643999993801117
to: 12.6399999856949 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.345609 0.317768 0.155107 0.034583
0.027603 0.028142 0.023719 0.019499 [error]
Peak 0.090310 0.085501 0.041724 0.011170
0.008862 0.009196 0.007451 0.005254 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 13.284 -0.644 12.640
T90 10.956 -0.328 10.628
T50 2.360 0.472 2.832
Peak 1.000 -0.136 0.864
====== 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 -2.088 -0.198 0.188 - - - 3.45e-03 -4.58e-04 4.47e-04 50.700 57
CPL -1.862 -0.216 0.770 24.954 N/A N/A 4.68e-03 N/A N/A 50.370 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 -2.153 -0.228 0.210 - - - 1.19e-02 -1.90e-03 1.84e-03 48.660 57
CPL -1.636 -0.597 0.990 29.095 -25.429 -29.095 2.40e-02 N/A N/A 47.520 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 1.02e-07 1.31e-07 1.23e-07 2.05e-07 4.25e-07 5.61e-07 erg/cm2
90%_error_low -1.37e-08 -1.31e-08 -2.21e-08 -6.40e-08 -5.05e-08 -9.18e-08 erg/cm2
90%_error_hi 1.40e-08 1.31e-08 2.27e-08 8.12e-08 5.16e-08 1.05e-07 erg/cm2
Peak flux PL 9.24e-01 6.34e-01 2.85e-01 1.78e-01 1.93e+00 2.02e+00 ph/cm2/s
90%_error_low -1.42e-01 -7.40e-02 -5.82e-02 -6.00e-02 -2.21e-01 -2.33e-01 ph/cm2/s
90%_error_hi 1.45e-01 7.37e-02 5.92e-02 7.54e-02 2.21e-01 2.33e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -1.37e-08 -1.31e-08 -2.21e-08 -6.40e-08 -5.05e-08 -9.18e-08 erg/cm2
90%_error_hi 1.40e-08 1.31e-08 2.27e-08 8.12e-08 5.16e-08 1.05e-07 erg/cm2
Peak flux CPL 8.85e-01 6.76e-01 2.84e-01 8.90e-02 1.91e+00 1.93e+00 ph/cm2/s
90%_error_low -1.59e-01 -9.48e-02 -6.62e-02 -8.90e-02 -2.24e-01 -2.38e-01 ph/cm2/s
90%_error_hi 1.57e-01 1.03e-01 6.42e-02 1.72e-01 2.24e-01 2.57e-01 ph/cm2/s
======================================================================
Special notes of this burst