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 Jan 19 15:53:56 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger355303
======================================================================
Trigger: 00355303 Segment: 000
BAT Trigger Time: 267250968 [s; MET]
Trigger Stop: 267250976.192 [s; MET]
UTC: 2009-06-21T04:22:43.155300 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 10.9861581404119 Dec: 61.9679004327154 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.8
Image Trigger?: NO
Rate S/N Ratio: 7.28010988928052 [ if not an image trigger ]
Image S/N Ratio: 7.8
Analysis Position: [ source = BAT ]
RA: 10.9861581404119 Dec: 61.9679004327154 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 10.987544246165 Dec: 61.9386576388914 [deg; J2000]
{ 00h 43m 57.0s , +61d 56' 19.2" }
+/- 1.68809163958159 [arcmin] (estimated 90% radius based on SNR)
+/- 0.622900260053021 [arcmin] (formal 1-sigma fit error)
SNR: 14.3968315848615
Angular difference between the analysis and refined position is 1.755003 arcmin
Partial Coding Fraction: 0.7734375 [ including projection effects ]
Duration
T90: 219.236000001431 +/- 72.378491614085
Measured from: -1.53999999165535
to: 217.696000009775 [s; relative to TRIGTIME]
T50: 106.532000005245 +/- 60.6811145451002
Measured from: 77.2759999930859
to: 183.807999998331 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 239.847999989986
to: 240.847999989986 [s; relative to TRIGTIME]
Total Fluence
Measured from: -31.0480000078678
to: 241.747999995947 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.624493 1.946231 1.309509 0.192701
0.083837 0.086721 0.076380 0.066600 [error]
Peak 0.093355 0.118441 0.065568 0.022200
0.006199 0.006481 0.005541 0.004220 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 272.796 -31.048 241.748
T90 219.236 -1.540 217.696
T50 106.532 77.276 183.808
Peak 1.000 239.848 240.848
====== 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 -1.674 -0.099 0.098 - - - 1.16e-03 -6.51e-05 6.47e-05 70.830 57
CPL -1.299 -0.372 0.407 90.537 -25.149 901.263 1.80e-03 -6.26e-04 1.08e-03 67.860 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 -1.724 -0.121 0.119 - - - 1.72e-02 -1.27e-03 1.26e-03 64.970 57
CPL -1.640 -0.493 0.458 193.705 N/A N/A 1.92e-02 N/A N/A 64.860 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 4.74e-07 7.84e-07 9.83e-07 2.45e-06 2.93e-06 4.69e-06 erg/cm2
90%_error_low -4.17e-08 -4.22e-08 -7.49e-08 -3.77e-07 -1.75e-07 -4.42e-07 erg/cm2
90%_error_hi 4.28e-08 4.22e-08 7.50e-08 4.21e-07 1.76e-07 4.77e-07 erg/cm2
Peak flux PL 8.80e-01 7.76e-01 4.70e-01 4.30e-01 2.31e+00 2.56e+00 ph/cm2/s
90%_error_low -9.24e-02 -5.23e-02 -4.51e-02 -7.70e-02 -1.54e-01 -1.70e-01 ph/cm2/s
90%_error_hi 9.47e-02 5.21e-02 4.51e-02 8.69e-02 1.54e-01 1.71e-01 ph/cm2/s
Fluence CPL 4.46e-07 8.12e-07 9.95e-07 1.38e-06 2.83e-06 3.64e-06 erg/cm2
90%_error_low -4.99e-08 -5.06e-08 -7.91e-08 -5.65e-07 -1.99e-07 -6.02e-07 erg/cm2
90%_error_hi 5.07e-08 5.15e-08 7.98e-08 1.05e-06 2.00e-07 1.06e-06 erg/cm2
Peak flux CPL 8.71e-01 7.83e-01 4.71e-01 3.80e-01 2.30e+00 2.51e+00 ph/cm2/s
90%_error_low -1.03e-01 -5.82e-02 -4.59e-02 -1.75e-01 -1.60e-01 -2.44e-01 ph/cm2/s
90%_error_hi 8.91e-02 6.52e-02 4.66e-02 9.20e-02 1.59e-01 2.16e-01 ph/cm2/s
======================================================================
Special notes of this burst