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: Wed Jan 22 14:43:43 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger222154
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Trigger: 00222154 Segment: 000
BAT Trigger Time: 176127376.512 [s; MET]
Trigger Stop: 176127377.024 [s; MET]
UTC: 2006-08-01T12:16:15.158880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 213.024750261889 Dec: 16.984129194985 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.35
Image Trigger?: NO
Rate S/N Ratio: 30.0333148353624 [ if not an image trigger ]
Image S/N Ratio: 9.35
Analysis Position: [ source = BAT ]
RA: 213.024750261889 Dec: 16.984129194985 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 212.984738857627 Dec: 16.9870296817693 [deg; J2000]
{ 14h 11m 56.3s , +16d 59' 13.3" }
+/- 1.7885362900214 [arcmin] (estimated 90% radius based on SNR)
+/- 0.753757204103084 [arcmin] (formal 1-sigma fit error)
SNR: 13.2558413962316
Angular difference between the analysis and refined position is 2.302548 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 0.504000008106232 +/- 0.0609262026599676
Measured from: 0.0520000159740448
to: 0.556000024080276 [s; relative to TRIGTIME]
T50: 0.316000014543533 +/- 0.0688185926298914
Measured from: 0.120000004768372
to: 0.436000019311905 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.183999985456467
to: 0.816000014543533 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0399999916553497
to: 0.587999999523163 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.007862 0.028137 0.042293 0.018488
0.003589 0.004130 0.004067 0.003860 [error]
Peak 0.012885 0.028325 0.043604 0.022565
0.004695 0.005208 0.005002 0.004726 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.548 0.040 0.588
T90 0.504 0.052 0.556
T50 0.316 0.120 0.436
Peak 1.000 -0.184 0.816
====== 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: 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 -0.484 -0.224 0.242 - - - 1.08e-02 -1.56e-03 1.52e-03 73.430 57
CPL 0.283 -0.851 1.288 190.291 N/A N/A 2.16e-02 N/A N/A 71.740 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 -0.531 -0.265 0.290 - - - 6.49e-03 -1.08e-03 1.05e-03 58.320 57
CPL -0.080 -0.567 1.507 272.780 -272.780 -272.780 9.73e-03 -4.13e-03 2.46e-02 57.900 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 2.96e-09 1.02e-08 2.92e-08 2.55e-07 8.05e-08 2.97e-07 erg/cm2
90%_error_low -8.56e-10 -1.90e-09 -3.60e-09 -6.80e-08 -1.04e-08 -6.94e-08 erg/cm2
90%_error_hi 9.71e-10 1.88e-09 3.59e-09 8.69e-08 1.04e-08 8.69e-08 erg/cm2
Peak flux PL 1.06e-01 1.92e-01 2.66e-01 7.66e-01 7.65e-01 1.33e+00 ph/cm2/s
90%_error_low -3.61e-02 -4.30e-02 -3.75e-02 -2.21e-01 -1.12e-01 -2.31e-01 ph/cm2/s
90%_error_hi 4.23e-02 4.27e-02 3.74e-02 2.86e-01 1.12e-01 2.66e-01 ph/cm2/s
Fluence CPL 2.30e-09 1.03e-08 3.18e-08 1.11e-07 7.84e-08 1.56e-07 erg/cm2
90%_error_low -1.06e-09 -2.11e-09 -4.85e-09 -6.66e-08 -1.13e-08 -6.61e-08 erg/cm2
90%_error_hi 1.24e-09 2.08e-09 4.97e-09 1.25e-07 1.10e-08 9.77e-08 erg/cm2
Peak flux CPL 9.11e-02 1.92e-01 2.80e-01 5.11e-01 7.52e-01 1.07e+00 ph/cm2/s
90%_error_low -4.76e-02 -4.64e-02 -4.83e-02 N/A -1.17e-01 -3.37e-01 ph/cm2/s
90%_error_hi 5.38e-02 4.53e-02 5.33e-02 N/A 1.17e-01 3.63e-01 ph/cm2/s
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