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: Sun Jan 19 14:07:55 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger362633
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Trigger: 00362633 Segment: 000
BAT Trigger Time: 274463434.944 [s; MET]
Trigger Stop: 274463435.968 [s; MET]
UTC: 2009-09-12T15:50:29.864660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 188.091869580758 Dec: 61.5125700544948 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.62
Image Trigger?: NO
Rate S/N Ratio: 10.4880884817015 [ if not an image trigger ]
Image S/N Ratio: 6.62
Analysis Position: [ source = BAT ]
RA: 188.091869580758 Dec: 61.5125700544948 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 188.049116055693 Dec: 61.4772951921945 [deg; J2000]
{ 12h 32m 11.8s , +61d 28' 38.3" }
+/- 1.17822711732731 [arcmin] (estimated 90% radius based on SNR)
+/- 0.324340065226452 [arcmin] (formal 1-sigma fit error)
SNR: 24.0637133602529
Angular difference between the analysis and refined position is 2.445043 arcmin
Partial Coding Fraction: 0.3046875 [ including projection effects ]
Duration
T90: 135.51599997282 +/- 15.672510959608
Measured from: 0.923999965190887
to: 136.439999938011 [s; relative to TRIGTIME]
T50: 70.8679999113083 +/- 11.0586545187354
Measured from: 28.4480000138283
to: 99.3159999251366 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 88.1520000100136
to: 89.1520000100136 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.96799999475479
to: 159.103999972343 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.198214 3.139636 2.057023 0.226923
0.124654 0.131316 0.117345 0.104166 [error]
Peak 0.064335 0.054791 0.048806 0.016097
0.010947 0.011213 0.009853 0.008475 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 162.072 -2.968 159.104
T90 135.516 0.924 136.440
T50 70.868 28.448 99.316
Peak 1.000 88.152 89.152
====== 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: 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 -1.679 -0.092 0.091 - - - 3.17e-03 -1.71e-04 1.70e-04 54.030 57
CPL -0.961 -0.399 0.441 69.126 -11.006 28.535 7.47e-03 -2.78e-03 5.09e-03 43.880 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 -1.840 -0.385 0.356 - - - 1.04e-02 -2.45e-03 2.31e-03 71.450 57
CPL -1.858 -0.369 0.707 9999.360 N/A N/A 1.03e-02 N/A N/A 71.460 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 7.76e-07 1.28e-06 1.60e-06 3.96e-06 4.76e-06 7.61e-06 erg/cm2
90%_error_low -6.51e-08 -6.70e-08 -1.15e-07 -5.69e-07 -2.71e-07 -6.71e-07 erg/cm2
90%_error_hi 6.67e-08 6.69e-08 1.15e-07 6.29e-07 2.73e-07 7.18e-07 erg/cm2
Peak flux PL 5.93e-01 4.88e-01 2.73e-01 2.25e-01 1.45e+00 1.58e+00 ph/cm2/s
90%_error_low -1.67e-01 -9.16e-02 -8.34e-02 -1.11e-01 -2.73e-01 -3.01e-01 ph/cm2/s
90%_error_hi 1.74e-01 9.15e-02 8.34e-02 1.62e-01 2.73e-01 3.03e-01 ph/cm2/s
Fluence CPL 6.93e-07 1.37e-06 1.63e-06 1.46e-06 4.48e-06 5.16e-06 erg/cm2
90%_error_low -7.82e-08 -8.44e-08 -1.27e-07 -5.65e-07 -3.10e-07 -6.43e-07 erg/cm2
90%_error_hi 7.94e-08 8.61e-08 1.27e-07 9.80e-07 3.12e-07 1.01e-06 erg/cm2
Peak flux CPL 6.00e-01 4.85e-01 2.69e-01 2.24e-01 1.46e+00 1.57e+00 ph/cm2/s
90%_error_low -9.00e-02 -8.83e-02 -1.72e-01 N/A -2.81e-01 -1.56e-01 ph/cm2/s
90%_error_hi 1.74e-01 9.71e-02 2.57e-02 N/A 2.67e-01 3.03e-01 ph/cm2/s
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