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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Fri Jan 17 18:15:05 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger423184
======================================================================
Trigger: 00423184 Segment: 000
BAT Trigger Time: 296593244.352 [s; MET]
Trigger Stop: 296593271.232 [s; MET]
UTC: 2010-05-26T19:00:38.517680 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 0.699890609018591 Dec: -37.9023721389102 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.89
Image Trigger?: NO
Rate S/N Ratio: 6.92820323027551 [ if not an image trigger ]
Image S/N Ratio: 6.89
Analysis Position: [ source = BAT ]
RA: 0.699890609018591 Dec: -37.9023721389102 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 0.728184823810135 Dec: -37.9243943086205 [deg; J2000]
{ 00h 02m 54.8s , -37d 55' 27.8" }
+/- 2.14847245811105 [arcmin] (estimated 90% radius based on SNR)
+/- 0.871128547931319 [arcmin] (formal 1-sigma fit error)
SNR: 10.201105766198
Angular difference between the analysis and refined position is 1.881426 arcmin
Partial Coding Fraction: 0.953125 [ including projection effects ]
Duration
T90: 67 +/- 15.2643375224737
Measured from: -22.3519999980927
to: 44.6480000019073 [s; relative to TRIGTIME]
T50: 29 +/- 11.3137084989848
Measured from: -7.35199999809265
to: 21.6480000019073 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.64800000190735
to: 3.64800000190735 [s; relative to TRIGTIME]
Total Fluence
Measured from: -26.3519999980927
to: 47.6480000019073 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.262219 0.351036 0.230734 0.111955
0.044564 0.045869 0.041291 0.037994 [error]
Peak 0.006435 0.012745 0.018075 0.004518
0.005114 0.005403 0.004997 0.004604 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 74.000 -26.352 47.648
T90 67.000 -22.352 44.648
T50 29.000 -7.352 21.648
Peak 1.000 2.648 3.648
====== 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 -1.478 -0.267 0.263 - - - 7.56e-04 -1.20e-04 1.18e-04 58.160 57
CPL -1.303 N/A N/A 181.786 N/A N/A 9.43e-04 N/A N/A 58.070 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
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 -0.695 -0.751 0.911 - - - 2.52e-03 -1.15e-03 1.03e-03 46.800 57
CPL -0.424 0.424 10.411 379.062 -379.062 -379.062 3.20e-03 -1.71e-03 1.05e+01 46.820 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 7.00e-08 1.30e-07 1.87e-07 5.69e-07 5.33e-07 9.57e-07 erg/cm2
90%_error_low -1.63e-08 -1.96e-08 -3.95e-08 -2.17e-07 -9.37e-08 -2.56e-07 erg/cm2
90%_error_hi 1.71e-08 1.95e-08 3.95e-08 2.96e-07 9.61e-08 3.23e-07 erg/cm2
Peak flux PL 4.83e-02 7.88e-02 9.74e-02 2.38e-01 2.92e-01 4.63e-01 ph/cm2/s
90%_error_low -3.62e-02 -7.88e-02 -3.85e-02 -1.60e-01 -1.14e-01 -1.94e-01 ph/cm2/s
90%_error_hi 5.60e-02 4.44e-02 3.74e-02 3.36e-01 1.16e-01 2.85e-01 ph/cm2/s
Fluence CPL 6.87e-08 1.33e-07 1.88e-07 4.11e-07 5.22e-07 8.01e-07 erg/cm2
90%_error_low -1.83e-08 -2.21e-08 -4.11e-08 -3.36e-07 -1.13e-07 -3.62e-07 erg/cm2
90%_error_hi 1.61e-08 2.65e-08 4.12e-08 2.12e-07 1.05e-07 2.41e-07 erg/cm2
Peak flux CPL 4.87e-02 7.93e-02 9.74e-02 2.40e-01 2.92e-01 4.63e-01 ph/cm2/s
90%_error_low N/A N/A -3.84e-02 -2.40e-01 -1.44e-01 -4.63e-01 ph/cm2/s
90%_error_hi N/A N/A 6.42e-02 3.26e-01 1.15e-01 2.78e-01 ph/cm2/s
======================================================================