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: Mon Jan 13 00:22:58 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger534815
======================================================================
Trigger: 00534815 Segment: 000
BAT Trigger Time: 370478456 [s; MET]
Trigger Stop: 370478520 [s; MET]
UTC: 2012-09-27T22:40:46.302240 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 136.600410032008 Dec: 0.417375483965046 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 18.92
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 18.92
Analysis Position: [ source = BAT ]
RA: 136.600410032008 Dec: 0.417375483965046 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 136.605400000271 Dec: 0.42054929044966 [deg; J2000]
{ 09h 06m 25.3s , +00d 25' 14.0" }
+/- 0.854975904725367 [arcmin] (estimated 90% radius based on SNR)
+/- 0.278703160592133 [arcmin] (formal 1-sigma fit error)
SNR: 38.0475879275154
Angular difference between the analysis and refined position is 0.354820 arcmin
Partial Coding Fraction: 0.6484375 [ including projection effects ]
Duration
T90: 35.0559999346733 +/- 15.615164566255
Measured from: -14.772000014782
to: 20.2839999198914 [s; relative to TRIGTIME]
T50: 15.4879999160767 +/- 1.53094089532442
Measured from: -4.08399999141693
to: 11.4039999246597 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -3.92799997329712
to: -2.92799997329712 [s; relative to TRIGTIME]
Total Fluence
Measured from: -37.9399999976158
to: 31.1280000209808 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.029282 1.610909 1.074575 0.183142
0.056089 0.058607 0.051540 0.044187 [error]
Peak 0.049847 0.068039 0.058303 0.017861
0.007356 0.008061 0.007056 0.005675 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 69.068 -37.940 31.128
T90 35.056 -14.772 20.284
T50 15.488 -4.084 11.404
Peak 1.000 -3.928 -2.928
====== 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 -1.626 -0.077 0.077 - - - 3.86e-03 -1.79e-04 1.78e-04 76.490 57
CPL -0.662 -0.355 0.387 67.767 -7.625 13.009 1.20e-02 -4.01e-03 6.76e-03 51.670 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 -1.511 -0.202 0.199 - - - 1.24e-02 -1.57e-03 1.56e-03 57.390 57
CPL -0.871 -0.722 0.923 87.986 -27.950 -87.986 2.65e-02 -1.48e-02 5.03e-02 55.390 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 3.83e-07 6.52e-07 8.44e-07 2.21e-06 2.48e-06 4.09e-06 erg/cm2
90%_error_low -2.87e-08 -3.07e-08 -5.01e-08 -2.64e-07 -1.21e-07 -3.07e-07 erg/cm2
90%_error_hi 2.93e-08 3.07e-08 5.01e-08 2.86e-07 1.22e-07 3.24e-07 erg/cm2
Peak flux PL 5.18e-01 5.18e-01 3.63e-01 4.04e-01 1.56e+00 1.80e+00 ph/cm2/s
90%_error_low -1.02e-01 -6.77e-02 -5.62e-02 -1.12e-01 -1.95e-01 -2.23e-01 ph/cm2/s
90%_error_hi 1.08e-01 6.71e-02 5.56e-02 1.34e-01 1.95e-01 2.24e-01 ph/cm2/s
Fluence CPL 3.26e-07 7.14e-07 8.79e-07 6.63e-07 2.31e-06 2.58e-06 erg/cm2
90%_error_low -3.43e-08 -3.87e-08 -5.73e-08 -2.09e-07 -1.35e-07 -2.45e-07 erg/cm2
90%_error_hi 3.49e-08 3.93e-08 5.74e-08 3.14e-07 1.36e-07 3.31e-07 erg/cm2
Peak flux CPL 4.65e-01 5.53e-01 3.85e-01 2.08e-01 1.53e+00 1.61e+00 ph/cm2/s
90%_error_low -1.20e-01 -8.09e-02 -6.37e-02 -1.16e-01 -1.98e-01 -2.36e-01 ph/cm2/s
90%_error_hi 1.24e-01 8.45e-02 6.56e-02 2.45e-01 1.98e-01 3.05e-01 ph/cm2/s
======================================================================
Special notes of this burst