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 15:53:44 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger434843
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Trigger: 00434843 Segment: 000
BAT Trigger Time: 306993495.104 [s; MET]
Trigger Stop: 306993496.128 [s; MET]
UTC: 2010-09-24T03:58:08.897460 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 0.671341527158533 Dec: 7.01503025438085 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.02
Image Trigger?: NO
Rate S/N Ratio: 40.8900966005217 [ if not an image trigger ]
Image S/N Ratio: 12.02
Analysis Position: [ source = BAT ]
RA: 0.671341527158533 Dec: 7.01503025438085 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 0.669313351519286 Dec: 7.00727606825314 [deg; J2000]
{ 00h 02m 40.6s , +07d 00' 26.2" }
+/- 0.844914524402186 [arcmin] (estimated 90% radius based on SNR)
+/- 0.314573504768447 [arcmin] (formal 1-sigma fit error)
SNR: 38.6964885380114
Angular difference between the analysis and refined position is 0.480673 arcmin
Partial Coding Fraction: 0.25 [ including projection effects ]
Duration
T90: 71.9479999542236 +/- 4.00963842367137
Measured from: 0.52400004863739
to: 72.472000002861 [s; relative to TRIGTIME]
T50: 20.4719999432564 +/- 1.38575607047419
Measured from: 36.7120000123978
to: 57.1839999556541 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 44.460000038147
to: 45.460000038147 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.75999999046326
to: 87.244000017643 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.347469 4.708069 3.659290 0.862588
0.106221 0.113459 0.103828 0.090683 [error]
Peak 0.112685 0.183683 0.213813 0.055810
0.013647 0.015439 0.015646 0.011859 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 89.004 -1.760 87.244
T90 71.948 0.524 72.472
T50 20.472 36.712 57.184
Peak 1.000 44.460 45.460
====== 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 -1.516 -0.056 0.056 - - - 9.58e-03 -2.85e-04 2.85e-04 63.200 57
CPL -1.243 -0.226 0.238 149.468 -45.387 378.216 1.28e-02 -2.69e-03 3.62e-03 58.890 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 -1.158 -0.138 0.139 - - - 3.80e-02 -3.14e-03 3.14e-03 68.850 57
CPL -0.473 -0.593 0.684 126.338 -36.945 367.446 7.77e-02 -3.53e-02 7.58e-02 64.900 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 1.11e-06 2.01e-06 2.81e-06 8.22e-06 8.07e-06 1.41e-05 erg/cm2
90%_error_low -6.37e-08 -6.76e-08 -1.06e-07 -6.84e-07 -2.56e-07 -7.49e-07 erg/cm2
90%_error_hi 6.51e-08 6.74e-08 1.06e-07 7.26e-07 2.57e-07 7.82e-07 erg/cm2
Peak flux PL 1.13e+00 1.39e+00 1.25e+00 1.94e+00 4.44e+00 5.70e+00 ph/cm2/s
90%_error_low -1.73e-01 -1.36e-01 -1.17e-01 -3.55e-01 -3.76e-01 -4.98e-01 ph/cm2/s
90%_error_hi 1.82e-01 1.35e-01 1.16e-01 3.99e-01 3.77e-01 5.05e-01 ph/cm2/s
Fluence CPL 1.04e-06 2.05e-06 2.87e-06 5.69e-06 7.91e-06 1.16e-05 erg/cm2
90%_error_low -8.24e-08 -7.41e-08 -1.17e-07 -1.42e-06 -2.87e-07 -1.44e-06 erg/cm2
90%_error_hi 8.41e-08 7.47e-08 1.19e-07 2.00e-06 2.86e-07 2.00e-06 erg/cm2
Peak flux CPL 9.51e-01 1.45e+00 1.36e+00 1.06e+00 4.33e+00 4.82e+00 ph/cm2/s
90%_error_low -2.21e-01 -1.51e-01 -1.50e-01 -4.04e-01 -3.88e-01 -5.79e-01 ph/cm2/s
90%_error_hi 2.32e-01 1.54e-01 1.54e-01 7.26e-01 3.88e-01 7.93e-01 ph/cm2/s
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