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: Mon Jan 13 00:45:41 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger533568
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Trigger: 00533568 Segment: 000
BAT Trigger Time: 369260311.552 [s; MET]
Trigger Stop: 369260312.576 [s; MET]
UTC: 2012-09-13T20:18:21.905720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 146.436815162705 Dec: 26.9767800186672 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.27
Image Trigger?: NO
Rate S/N Ratio: 11.6189500386223 [ if not an image trigger ]
Image S/N Ratio: 7.27
Analysis Position: [ source = BAT ]
RA: 146.436815162705 Dec: 26.9767800186672 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 146.400411342535 Dec: 26.9594481491567 [deg; J2000]
{ 09h 45m 36.1s , +26d 57' 34.0" }
+/- 1.24454476276929 [arcmin] (estimated 90% radius based on SNR)
+/- 0.468287225517763 [arcmin] (formal 1-sigma fit error)
SNR: 22.2530253902983
Angular difference between the analysis and refined position is 2.207060 arcmin
Partial Coding Fraction: 0.703125 [ including projection effects ]
Duration
T90: 36.0439999699593 +/- 5.67929154683683
Measured from: 0.452000021934509
to: 36.4959999918938 [s; relative to TRIGTIME]
T50: 5.55999994277954 +/- 13.4587072384618
Measured from: 20.7800000309944
to: 26.339999973774 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 22.4560000300407
to: 23.4560000300407 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.719999969005585
to: 39.8000000119209 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.740776 0.648901 0.312983 0.037106
0.039823 0.040672 0.036088 0.033217 [error]
Peak 0.110015 0.097983 0.052952 0.009644
0.007574 0.007711 0.006552 0.005483 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 40.520 -0.720 39.800
T90 36.044 0.452 36.496
T50 5.560 20.780 26.340
Peak 1.000 22.456 23.456
====== 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 -2.176 -0.151 0.144 - - - 2.32e-03 -2.28e-04 2.24e-04 58.460 57
CPL -2.168 -0.210 0.137 9999.360 N/A N/A 2.33e-03 N/A N/A 58.480 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 -2.063 -0.170 0.162 - - - 1.47e-02 -1.65e-03 1.62e-03 50.450 57
CPL -1.632 -0.485 0.702 34.991 -27.564 -34.991 2.63e-02 N/A N/A 48.960 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 2.27e-07 2.77e-07 2.45e-07 3.74e-07 8.80e-07 1.12e-06 erg/cm2
90%_error_low -2.27e-08 -2.00e-08 -3.31e-08 -9.10e-08 -7.44e-08 -1.31e-07 erg/cm2
90%_error_hi 2.32e-08 2.00e-08 3.40e-08 1.10e-07 7.58e-08 1.45e-07 erg/cm2
Peak flux PL 1.04e+00 7.53e-01 3.60e-01 2.43e-01 2.27e+00 2.40e+00 ph/cm2/s
90%_error_low -1.26e-01 -6.43e-02 -5.32e-02 -6.24e-02 -1.94e-01 -2.05e-01 ph/cm2/s
90%_error_hi 1.29e-01 6.43e-02 5.41e-02 7.49e-02 1.94e-01 2.05e-01 ph/cm2/s
Fluence CPL 2.19e-07 2.90e-07 2.43e-07 3.94e-07 8.36e-07 1.12e-06 erg/cm2
90%_error_low -2.54e-08 -3.67e-08 -3.09e-08 -7.14e-08 -8.76e-08 -1.25e-07 erg/cm2
90%_error_hi 2.45e-08 2.64e-08 3.62e-08 1.68e-07 9.18e-08 1.98e-07 erg/cm2
Peak flux CPL 1.00e+00 7.91e-01 3.55e-01 1.31e-01 2.23e+00 2.28e+00 ph/cm2/s
90%_error_low -1.41e-01 -8.23e-02 -5.97e-02 -7.75e-02 -2.01e-01 -2.23e-01 ph/cm2/s
90%_error_hi 1.41e-01 8.47e-02 5.80e-02 1.77e-01 2.01e-01 2.58e-01 ph/cm2/s
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