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 Apr 12 15:27:32 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger736432
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Trigger: 00736432 Segment: 000
BAT Trigger Time: 507773039.616 [s; MET]
Trigger Stop: 507773043.712 [s; MET]
UTC: 2017-02-03T00:03:41.060220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 332.860488803399 Dec: 25.1734109087689 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.81
Image Trigger?: NO
Rate S/N Ratio: 11.4891252930761 [ if not an image trigger ]
Image S/N Ratio: 7.81
Analysis Position: [ source = BAT ]
RA: 332.860488803399 Dec: 25.1734109087689 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 332.859323193104 Dec: 25.1854591260923 [deg; J2000]
{ 22h 11m 26.2s , +25d 11' 07.7" }
+/- 2.18779393219831 [arcmin] (estimated 90% radius based on SNR)
+/- 1.02968493737673 [arcmin] (formal 1-sigma fit error)
SNR: 9.94019564009821
Angular difference between the analysis and refined position is 0.725658 arcmin
Partial Coding Fraction: 0.671875 [ including projection effects ]
Duration
T90: 45.9039999246597 +/- 5.96155414134771
Measured from: 0.748000025749207
to: 46.6519999504089 [s; relative to TRIGTIME]
T50: 12.4359999299049 +/- 12.9255890910487
Measured from: 3.80000001192093
to: 16.2359999418259 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 3.7039999961853
to: 4.7039999961853 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0400000214576721
to: 48.9760000109673 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.301190 0.329008 0.250571 0.086948
0.049112 0.051254 0.044633 0.039170 [error]
Peak 0.022752 0.039297 0.026377 0.003386
0.007297 0.007852 0.006827 0.005712 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 49.016 -0.040 48.976
T90 45.904 0.748 46.652
T50 12.436 3.800 16.236
Peak 1.000 3.704 4.704
====== 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 -1.510 -0.291 0.286 - - - 1.33e-03 -2.10e-04 2.08e-04 51.830 57
CPL -1.520 -0.280 0.489 9999.320 -9999.320 -9999.320 1.33e-03 -2.02e-04 7.07e-04 51.850 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 -1.800 -0.442 0.405 - - - 5.66e-03 -1.61e-03 1.55e-03 46.440 57
CPL -0.887 -1.266 2.988 53.285 -45.468 -53.285 1.85e-02 -1.85e-02 1.24e+00 45.580 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 8.40e-08 1.53e-07 2.16e-07 6.34e-07 6.18e-07 1.09e-06 erg/cm2
90%_error_low -2.24e-08 -2.54e-08 -4.50e-08 -2.48e-07 -1.06e-07 -2.87e-07 erg/cm2
90%_error_hi 2.40e-08 2.49e-08 4.40e-08 3.38e-07 1.07e-07 3.59e-07 erg/cm2
Peak flux PL 3.11e-01 2.62e-01 1.51e-01 1.29e-01 7.80e-01 8.52e-01 ph/cm2/s
90%_error_low -1.07e-01 -6.43e-02 -5.34e-02 -7.06e-02 -1.91e-01 -2.10e-01 ph/cm2/s
90%_error_hi 1.15e-01 6.42e-02 5.38e-02 1.06e-01 1.92e-01 2.11e-01 ph/cm2/s
Fluence CPL 8.41e-08 1.54e-07 2.12e-07 6.31e-07 6.21e-07 1.08e-06 erg/cm2
90%_error_low N/A N/A N/A N/A -1.46e-07 -3.96e-07 erg/cm2
90%_error_hi N/A N/A N/A N/A 1.41e-07 3.62e-07 erg/cm2
Peak flux CPL 2.82e-01 2.93e-01 1.53e-01 4.46e-02 7.61e-01 7.73e-01 ph/cm2/s
90%_error_low -1.21e-01 -8.70e-02 N/A -4.46e-02 -1.95e-01 -2.04e-01 ph/cm2/s
90%_error_hi 1.26e-01 9.63e-02 N/A 1.15e-01 1.95e-01 2.42e-01 ph/cm2/s
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