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 16:20:02 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger353567
======================================================================
Trigger: 00353567 Segment: 000
BAT Trigger Time: 265346303.168 [s; MET]
Trigger Stop: 265346303.424 [s; MET]
UTC: 2009-05-30T03:18:18.384300 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 179.394767123952 Dec: 26.5835130140546 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.41
Image Trigger?: NO
Rate S/N Ratio: 23.3452350598575 [ if not an image trigger ]
Image S/N Ratio: 9.41
Analysis Position: [ source = BAT ]
RA: 179.394767123952 Dec: 26.5835130140546 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 179.402573429353 Dec: 26.5976058675687 [deg; J2000]
{ 11h 57m 36.6s , +26d 35' 51.4" }
+/- 1.33955765155656 [arcmin] (estimated 90% radius based on SNR)
+/- 0.53475593900131 [arcmin] (formal 1-sigma fit error)
SNR: 20.0329514253767
Angular difference between the analysis and refined position is 0.943618 arcmin
Partial Coding Fraction: 0.4101562 [ including projection effects ]
Duration
T90: 40.4560000002384 +/- 7.86754039611046
Measured from: 0.0439999997615814
to: 40.5 [s; relative to TRIGTIME]
T50: 25.3360000252724 +/- 12.3421490828646
Measured from: 0.915999978780746
to: 26.2520000040531 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0280000269412994
to: 0.971999973058701 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.188000023365021
to: 48.3599999845028 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.489716 0.614132 0.491570 0.104392
0.047363 0.050234 0.045831 0.042566 [error]
Peak 0.087103 0.148378 0.112363 0.043693
0.009498 0.011210 0.010520 0.008833 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 48.548 -0.188 48.360
T90 40.456 0.044 40.500
T50 25.336 0.916 26.252
Peak 1.000 -0.028 0.972
====== 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 -1.560 -0.152 0.150 - - - 2.39e-03 -2.17e-04 2.16e-04 56.230 57
CPL -1.078 -0.543 0.664 92.142 -30.557 -92.142 4.27e-03 -1.98e-03 5.02e-03 54.220 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 -1.290 -0.143 0.143 - - - 2.68e-02 -2.28e-03 2.28e-03 44.770 57
CPL -1.095 -0.270 0.636 233.623 -233.623 -233.623 3.37e-02 -8.93e-03 3.64e-02 44.440 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 1.57e-07 2.78e-07 3.77e-07 1.06e-06 1.09e-06 1.87e-06 erg/cm2
90%_error_low -2.17e-08 -2.44e-08 -4.53e-08 -2.44e-07 -1.08e-07 -2.86e-07 erg/cm2
90%_error_hi 2.24e-08 2.43e-08 4.53e-08 2.90e-07 1.09e-07 3.23e-07 erg/cm2
Peak flux PL 9.02e-01 1.03e+00 8.42e-01 1.15e+00 3.19e+00 3.92e+00 ph/cm2/s
90%_error_low -1.35e-01 -9.77e-02 -8.60e-02 -2.26e-01 -2.75e-01 -3.48e-01 ph/cm2/s
90%_error_hi 1.40e-01 9.67e-02 8.53e-02 2.58e-01 2.75e-01 3.52e-01 ph/cm2/s
Fluence CPL 1.46e-07 2.93e-07 3.85e-07 5.09e-07 1.05e-06 1.33e-06 erg/cm2
90%_error_low -2.55e-08 -3.03e-08 -4.87e-08 -2.80e-07 -1.20e-07 -3.06e-07 erg/cm2
90%_error_hi 2.58e-08 3.12e-08 4.92e-08 6.34e-07 1.21e-07 4.39e-07 erg/cm2
Peak flux CPL 8.74e-01 1.05e+00 8.58e-01 9.01e-01 3.17e+00 3.68e+00 ph/cm2/s
90%_error_low -1.58e-01 -1.14e-01 -9.59e-02 -4.48e-01 -2.81e-01 -5.30e-01 ph/cm2/s
90%_error_hi 1.57e-01 1.21e-01 9.90e-02 3.18e-01 2.80e-01 4.59e-01 ph/cm2/s
======================================================================
Special notes of this burst