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 16:11:03 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger433509
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Trigger: 00433509 Segment: 000
BAT Trigger Time: 305473773.568 [s; MET]
Trigger Stop: 305473774.08 [s; MET]
UTC: 2010-09-06T13:49:27.416480 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 28.7092893597252 Dec: 55.6138119348437 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.5
Image Trigger?: NO
Rate S/N Ratio: 22.6936114358204 [ if not an image trigger ]
Image S/N Ratio: 10.5
Analysis Position: [ source = BAT ]
RA: 28.7092893597252 Dec: 55.6138119348437 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 28.6975930422741 Dec: 55.6340175239447 [deg; J2000]
{ 01h 54m 47.4s , +55d 38' 02.5" }
+/- 0.5428358946804 [arcmin] (estimated 90% radius based on SNR)
+/- 0.189423184990397 [arcmin] (formal 1-sigma fit error)
SNR: 72.8053506697827
Angular difference between the analysis and refined position is 1.275446 arcmin
Partial Coding Fraction: 0.46875 [ including projection effects ]
Duration
T90: 114.631999969482 +/- 1.45567579568409
Measured from: 1.72799998521805
to: 116.3599999547 [s; relative to TRIGTIME]
T50: 60.8839999437332 +/- 9.62651423071575
Measured from: 7.4559999704361
to: 68.3399999141693 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 10.4799999594688
to: 11.4799999594688 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.220000028610229
to: 130.455999970436 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 6.150371 7.283245 5.090590 1.191241
0.074590 0.079412 0.070977 0.055400 [error]
Peak 0.261982 0.429478 0.373102 0.103917
0.012324 0.014421 0.014066 0.009715 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 130.676 -0.220 130.456
T90 114.632 1.728 116.360
T50 60.884 7.456 68.340
Peak 1.000 10.480 11.480
====== 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 -1.723 -0.035 0.035 - - - 9.85e-03 -1.73e-04 1.73e-04 55.580 57
CPL -1.722 -0.035 0.041 9998.780 -9998.770 -9998.780 9.86e-03 -1.70e-04 1.13e-03 55.590 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.399 -0.067 0.067 - - - 8.38e-02 -3.23e-03 3.23e-03 48.150 57
CPL -1.008 -0.265 0.282 138.371 -36.454 163.144 1.28e-01 -3.12e-02 4.41e-02 41.650 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 2.03e-06 3.25e-06 3.94e-06 9.36e-06 1.19e-05 1.86e-05 erg/cm2
90%_error_low -7.73e-08 -7.06e-08 -8.31e-08 -4.61e-07 -2.09e-07 -4.91e-07 erg/cm2
90%_error_hi 7.87e-08 7.04e-08 8.29e-08 4.78e-07 2.09e-07 5.02e-07 erg/cm2
Peak flux PL 3.13e+00 3.35e+00 2.54e+00 3.13e+00 1.02e+01 1.21e+01 ph/cm2/s
90%_error_low -2.24e-01 -1.48e-01 -1.16e-01 -2.89e-01 -4.14e-01 -4.73e-01 ph/cm2/s
90%_error_hi 2.30e-01 1.48e-01 1.15e-01 3.06e-01 4.14e-01 4.73e-01 ph/cm2/s
Fluence CPL 2.03e-06 3.25e-06 3.93e-06 9.58e-06 1.19e-05 1.89e-05 erg/cm2
90%_error_low -7.74e-08 -9.18e-08 -1.05e-07 N/A -3.18e-07 -1.54e-06 erg/cm2
90%_error_hi 7.88e-08 9.60e-08 1.33e-07 N/A 2.53e-07 1.65e-07 erg/cm2
Peak flux CPL 2.86e+00 3.44e+00 2.65e+00 2.14e+00 1.00e+01 1.11e+01 ph/cm2/s
90%_error_low -2.79e-01 -1.63e-01 -1.39e-01 -4.73e-01 -4.31e-01 -6.62e-01 ph/cm2/s
90%_error_hi 2.86e-01 1.65e-01 1.40e-01 6.33e-01 4.31e-01 7.65e-01 ph/cm2/s
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