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 21:15:32 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger147788
======================================================================
Trigger: 00147788 Segment: 000
BAT Trigger Time: 144046817.472 [s; MET]
Trigger Stop: 144046825.664 [s; MET]
UTC: 2005-07-26T05:00:17.830940 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 200.0645009276 Dec: -32.0902643464852 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.32
Image Trigger?: NO
Rate S/N Ratio: 23.6220236220354 [ if not an image trigger ]
Image S/N Ratio: 8.32
Analysis Position: [ source = BAT ]
RA: 200.0645009276 Dec: -32.0902643464852 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 200.024698653156 Dec: -32.0650230988855 [deg; J2000]
{ 13h 20m 05.9s , -32d 03' 54.1" }
+/- 1.83462844390184 [arcmin] (estimated 90% radius based on SNR)
+/- 0.807735993172336 [arcmin] (formal 1-sigma fit error)
SNR: 12.782654839646
Angular difference between the analysis and refined position is 2.527516 arcmin
Partial Coding Fraction: 0.1484375 [ including projection effects ]
Duration
T90: 46.4959999918938 +/- 14.4479756449802
Measured from: -36.2560000121593
to: 10.2399999797344 [s; relative to TRIGTIME]
T50: 18.1599999666214 +/- 7.76318286192033
Measured from: -11.8400000035763
to: 6.31999996304512 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.06000000238419
to: 2.06000000238419 [s; relative to TRIGTIME]
Total Fluence
Measured from: -40.8320000171661
to: 15.6319999992847 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.457776 0.685302 0.968075 0.329667
0.102531 0.098294 0.085572 0.071373 [error]
Peak 0.026112 0.064915 0.058704 0.013792
0.014207 0.014402 0.014197 0.010403 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 56.464 -40.832 15.632
T90 46.496 -36.256 10.240
T50 18.160 -11.840 6.320
Peak 1.000 1.060 2.060
====== 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 -0.883 -0.198 0.210 - - - 3.08e-03 -3.83e-04 3.75e-04 65.950 57
CPL -0.274 -0.610 1.053 184.037 N/A N/A 5.26e-03 N/A N/A 64.470 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 -1.061 -0.419 0.457 - - - 1.18e-02 -3.05e-03 2.97e-03 63.780 57
CPL -1.060 -0.418 0.465 9999.360 -9999.360 -9999.360 1.19e-02 -1.55e-03 4.33e-02 63.780 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 1.25e-07 3.36e-07 7.28e-07 4.12e-06 1.96e-06 5.31e-06 erg/cm2
90%_error_low -3.17e-08 -5.45e-08 -7.95e-08 -9.69e-07 -2.14e-07 -9.95e-07 erg/cm2
90%_error_hi 3.55e-08 5.41e-08 7.93e-08 1.19e-06 2.14e-07 1.18e-06 erg/cm2
Peak flux PL 3.20e-01 4.19e-01 4.01e-01 6.83e-01 1.37e+00 1.82e+00 ph/cm2/s
90%_error_low -1.53e-01 -1.40e-01 -1.02e-01 -3.10e-01 -3.60e-01 -4.50e-01 ph/cm2/s
90%_error_hi 1.87e-01 1.35e-01 1.01e-01 4.42e-01 3.64e-01 4.61e-01 ph/cm2/s
Fluence CPL 1.01e-07 3.36e-07 7.80e-07 2.25e-06 1.93e-06 3.47e-06 erg/cm2
90%_error_low -4.11e-08 -5.95e-08 -1.06e-07 -1.18e-06 -2.24e-07 -1.18e-06 erg/cm2
90%_error_hi 4.74e-08 5.82e-08 1.09e-07 2.22e-06 2.21e-07 2.08e-06 erg/cm2
Peak flux CPL 3.23e-01 4.19e-01 4.01e-01 6.82e-01 1.37e+00 1.83e+00 ph/cm2/s
90%_error_low -1.84e-01 -1.04e-01 -1.02e-01 -6.82e-01 -3.61e-01 -6.65e-01 ph/cm2/s
90%_error_hi 1.40e-01 1.42e-01 1.28e-01 4.35e-01 3.63e-01 4.39e-01 ph/cm2/s
======================================================================
Special notes of this burst