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 22:21:55 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger114797
======================================================================
Trigger: 00114797 Segment: 000
BAT Trigger Time: 135383753.6 [s; MET]
Trigger Stop: 135383754.112 [s; MET]
UTC: 2005-04-16T22:35:54.119620 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 133.852677933438 Dec: 11.1731175564645 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8
Image Trigger?: NO
Rate S/N Ratio: 25.5734237050888 [ if not an image trigger ]
Image S/N Ratio: 8
Analysis Position: [ source = BAT ]
RA: 133.852677933438 Dec: 11.1731175564645 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 133.846627138052 Dec: 11.1855187849144 [deg; J2000]
{ 08h 55m 23.2s , +11d 11' 07.9" }
+/- 1.35412158570901 [arcmin] (estimated 90% radius based on SNR)
+/- 0.664201445591195 [arcmin] (formal 1-sigma fit error)
SNR: 19.7258627463894
Angular difference between the analysis and refined position is 0.824921 arcmin
Partial Coding Fraction: 0.1289062 [ including projection effects ]
Duration
T90: 3.39200001955032 +/- 0.63150613607837
Measured from: 0.187999993562698
to: 3.58000001311302 [s; relative to TRIGTIME]
T50: 1.56000000238419 +/- 0.317238070375656
Measured from: 0.612000018358231
to: 2.17200002074242 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.136000007390976
to: 1.13600000739098 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0719999969005585
to: 4.19600000977516 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.263869 0.529920 0.571839 0.070797
0.033982 0.038636 0.038308 0.035513 [error]
Peak 0.091406 0.225170 0.284116 0.099091
0.017504 0.021610 0.023044 0.019741 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 4.124 0.072 4.196
T90 3.392 0.188 3.580
T50 1.560 0.612 2.172
Peak 1.000 0.136 1.136
====== 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: CPL)
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 -1.330 -0.128 0.128 - - - 2.84e-02 -2.17e-03 2.17e-03 73.420 57
CPL -0.403 -0.585 0.678 95.752 -19.558 67.414 7.56e-02 -3.42e-02 7.46e-02 65.590 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 -0.996 -0.155 0.160 - - - 5.28e-02 -5.16e-03 5.12e-03 51.960 57
CPL -0.538 -0.581 0.727 195.926 N/A N/A 8.23e-02 N/A N/A 50.450 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 1.28e-07 2.61e-07 4.14e-07 1.47e-06 1.15e-06 2.27e-06 erg/cm2
90%_error_low -1.77e-08 -2.28e-08 -3.73e-08 -2.68e-07 -9.38e-08 -2.95e-07 erg/cm2
90%_error_hi 1.86e-08 2.26e-08 3.71e-08 3.04e-07 9.42e-08 3.23e-07 erg/cm2
Peak flux PL 2.69e-04 3.31e-03 2.71e-02 3.38e+00 3.57e-02 3.40e+00 ph/cm2/s
90%_error_low -1.71e-05 -1.98e-04 8.15e-03 -3.13e-01 N/A -2.97e-01 ph/cm2/s
90%_error_hi 3.33e-04 3.49e-03 4.29e-02 1.78e+00 N/A 1.84e+00 ph/cm2/s
Fluence CPL 1.03e-07 2.78e-07 4.53e-07 5.42e-07 1.11e-06 1.38e-06 erg/cm2
90%_error_low -2.24e-08 -2.63e-08 -4.54e-08 -2.25e-07 -1.00e-07 -2.42e-07 erg/cm2
90%_error_hi 2.34e-08 2.68e-08 4.65e-08 4.31e-07 1.00e-07 4.28e-07 erg/cm2
Peak flux CPL 1.17e+00 1.86e+00 1.95e+00 2.27e+00 5.99e+00 7.26e+00 ph/cm2/s
90%_error_low -3.31e-01 -2.43e-01 -2.40e-01 -8.86e-01 -6.15e-01 -1.11e+00 ph/cm2/s
90%_error_hi 3.56e-01 2.44e-01 2.46e-01 1.32e+00 6.18e-01 1.50e+00 ph/cm2/s
======================================================================
Special notes of this burst