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 20:07:52 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger156434
======================================================================
Trigger: 00156434 Segment: 000
BAT Trigger Time: 149094120 [s; MET]
Trigger Stop: 149094288 [s; MET]
UTC: 2005-09-22T15:02:00.257060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 5.79986495504588 Dec: -5.59886385721478 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.66
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.66
Analysis Position: [ source = BAT ]
RA: 5.79986495504588 Dec: -5.59886385721478 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 5.78404911530879 Dec: -5.6210218655456 [deg; J2000]
{ 00h 23m 08.2s , -05d 37' 15.7" }
+/- 2.54520874396333 [arcmin] (estimated 90% radius based on SNR)
+/- 0.937023975116539 [arcmin] (formal 1-sigma fit error)
SNR: 8.00780545120976
Angular difference between the analysis and refined position is 1.630773 arcmin
Partial Coding Fraction: 0.1152344 [ including projection effects ]
Duration
T90: 157.02399995923 +/- 94.4868116047978
Measured from: 27.3840000033379
to: 184.407999962568 [s; relative to TRIGTIME]
T50: 15.3759999573231 +/- 187.397459802878
Measured from: 39.7680000066757
to: 55.1439999639988 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 98.636000007391
to: 99.636000007391 [s; relative to TRIGTIME]
Total Fluence
Measured from: 24.4239999949932
to: 273.624000012875 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.644715 1.671852 0.869463 0.065991
0.188739 0.194448 0.172683 0.159015 [error]
Peak 0.026084 0.048330 0.054775 -0.001340
0.014706 0.014705 0.013228 0.012127 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 249.200 24.424 273.624
T90 157.024 27.384 184.408
T50 15.376 39.768 55.144
Peak 1.000 98.636 99.636
====== 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 -2.114 -0.263 0.242 - - - 1.02e-03 -1.79e-04 1.73e-04 51.460 57
CPL -1.816 -0.613 1.124 25.049 -23.507 -25.049 1.53e-03 -7.09e-04 5.57e-03 51.170 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 -1.303 -0.512 0.527 - - - 9.14e-03 -2.77e-03 2.76e-03 54.040 57
CPL -0.459 -1.916 3.347 108.508 -108.508 -108.508 2.11e-02 -2.11e-02 2.94e-01 53.480 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 5.81e-07 7.37e-07 6.81e-07 1.10e-06 2.37e-06 3.10e-06 erg/cm2
90%_error_low -9.83e-08 -9.46e-08 -1.59e-07 -4.35e-07 -3.63e-07 -6.43e-07 erg/cm2
90%_error_hi 1.01e-07 9.39e-08 1.65e-07 5.93e-07 3.74e-07 7.64e-07 erg/cm2
Peak flux PL 3.11e-01 3.53e-01 2.86e-01 3.86e-01 1.09e+00 1.34e+00 ph/cm2/s
90%_error_low -1.61e-01 -1.30e-01 -9.68e-02 -2.15e-01 -3.49e-01 -4.04e-01 ph/cm2/s
90%_error_hi 1.99e-01 1.26e-01 9.44e-02 3.25e-01 3.55e-01 4.07e-01 ph/cm2/s
Fluence CPL 5.69e-07 7.64e-07 6.67e-07 6.22e-07 2.30e-06 2.62e-06 erg/cm2
90%_error_low -1.09e-07 -1.06e-07 -1.85e-07 -5.08e-07 -4.13e-07 -6.99e-07 erg/cm2
90%_error_hi 1.02e-07 1.30e-07 1.74e-07 1.86e-06 4.33e-07 1.34e-06 erg/cm2
Peak flux CPL 2.44e-01 3.63e-01 3.18e-01 2.09e-01 1.05e+00 1.13e+00 ph/cm2/s
90%_error_low -1.98e-01 -1.56e-01 -1.17e-01 -2.09e-01 -3.68e-01 -4.32e-01 ph/cm2/s
90%_error_hi 2.38e-01 1.44e-01 1.32e-01 2.79e-01 3.70e-01 3.83e-01 ph/cm2/s
======================================================================
Special notes of this burst