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 Nov 23 17:33:56 EST 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger533060
======================================================================
Trigger: 00533060 Segment: 000
BAT Trigger Time: 368847732.864 [s; MET]
Trigger Stop: 368847734.272 [s; MET]
UTC: 2012-09-09T01:42:03.235040 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 275.684892653149 Dec: -59.4263133760398 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.77
Image Trigger?: NO
Rate S/N Ratio: 13 [ if not an image trigger ]
Image S/N Ratio: 7.77
Analysis Position: [ source = BAT ]
RA: 275.684892653149 Dec: -59.4263133760398 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 275.72523148817 Dec: -59.4389804814466 [deg; J2000]
{ 18h 22m 54.1s , -59d 26' 20.3" }
+/- 2.08641847400824 [arcmin] (estimated 90% radius based on SNR)
+/- 0.976648402226871 [arcmin] (formal 1-sigma fit error)
SNR: 10.6372811448241
Angular difference between the analysis and refined position is 1.446602 arcmin
Partial Coding Fraction: 0.4882812 [ including projection effects ]
Duration
T90: 220.595999956131 +/- 304.966835064435
Measured from: 253.227999985218
to: 473.823999941349 [s; relative to TRIGTIME]
T50: 114.503999948502 +/- 363.404444880196
Measured from: 297.243999958038
to: 411.74799990654 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.899999976158142
to: 1.89999997615814 [s; relative to TRIGTIME]
Total Fluence
Measured from: -31.460000038147
to: 566.708000004292 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.885854 3.884830 3.568242 1.009578
0.195425 0.200093 0.185861 0.190517 [error]
Peak 0.033339 0.076469 0.094177 0.023912
0.009553 0.010755 0.010425 0.010719 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 598.168 -31.460 566.708
T90 220.596 253.228 473.824
T50 114.504 297.244 411.748
Peak 1.000 0.900 1.900
====== 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 -1.369 -0.100 0.101 - - - 1.29e-03 -7.00e-05 6.99e-05 48.110 57
CPL -1.284 -0.134 0.395 442.369 -442.369 -442.369 1.42e-03 -1.88e-04 7.49e-04 47.960 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 -1.015 -0.232 0.241 - - - 1.57e-02 -2.23e-03 2.22e-03 49.930 57
CPL 0.411 -1.184 1.679 97.758 -24.288 173.853 6.52e-02 -6.52e-02 2.35e-01 45.510 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 8.71e-07 1.73e-06 2.69e-06 9.13e-06 7.50e-06 1.44e-05 erg/cm2
90%_error_low -8.91e-08 -1.05e-07 -1.84e-07 -1.34e-06 -4.50e-07 -1.47e-06 erg/cm2
90%_error_hi 9.22e-08 1.05e-07 1.84e-07 1.50e-06 4.53e-07 1.60e-06 erg/cm2
Peak flux PL 4.07e-01 5.47e-01 5.41e-01 9.64e-01 1.81e+00 2.46e+00 ph/cm2/s
90%_error_low -1.10e-01 -9.68e-02 -8.13e-02 -2.74e-01 -2.61e-01 -3.64e-01 ph/cm2/s
90%_error_hi 1.21e-01 9.55e-02 8.06e-02 3.38e-01 2.62e-01 3.77e-01 ph/cm2/s
Fluence CPL 8.56e-07 1.75e-06 2.70e-06 8.01e-06 7.45e-06 1.33e-05 erg/cm2
90%_error_low -1.09e-07 -1.10e-07 -1.93e-07 -3.39e-06 -5.02e-07 -3.40e-06 erg/cm2
90%_error_hi 9.46e-08 1.19e-07 2.00e-07 3.21e-06 4.24e-07 1.57e-06 erg/cm2
Peak flux CPL 2.72e-01 5.73e-01 6.24e-01 3.39e-01 1.70e+00 1.81e+00 ph/cm2/s
90%_error_low -1.37e-01 -1.16e-01 -1.07e-01 -1.85e-01 -2.82e-01 -3.52e-01 ph/cm2/s
90%_error_hi 1.58e-01 1.13e-01 1.11e-01 4.41e-01 2.81e-01 5.01e-01 ph/cm2/s
======================================================================
Special notes of this burst