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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Mon Jan 13 22:15:47 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger453788
======================================================================
Trigger: 00453788 Segment: 000
BAT Trigger Time: 327685898.432 [s; MET]
Trigger Stop: 327685906.624 [s; MET]
UTC: 2011-05-21T15:51:31.455260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 120.144250897113 Dec: 45.7980888226143 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.26
Image Trigger?: NO
Rate S/N Ratio: 17.8885438199983 [ if not an image trigger ]
Image S/N Ratio: 7.26
Analysis Position: [ source = BAT ]
RA: 120.144250897113 Dec: 45.7980888226143 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 120.127823405101 Dec: 45.8080649994631 [deg; J2000]
{ 08h 00m 30.7s , +45d 48' 29.0" }
+/- 2.21701869122503 [arcmin] (estimated 90% radius based on SNR)
+/- 0.990251529649291 [arcmin] (formal 1-sigma fit error)
SNR: 9.75353752460828
Angular difference between the analysis and refined position is 0.911276 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 96 +/- 49.0407993409569
Measured from: 1.56800001859665
to: 97.5680000185966 [s; relative to TRIGTIME]
T50: 35 +/- 43.1045241245046
Measured from: 6.56800001859665
to: 41.5680000185966 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 7.56800001859665
to: 8.56800001859665 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.568000018596649
to: 108.568000018597 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.117595 0.284623 0.304436 0.219400
0.053945 0.055744 0.050220 0.045367 [error]
Peak 0.007488 0.022584 0.016447 0.019645
0.005262 0.005728 0.005210 0.004681 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 108.000 0.568 108.568
T90 96.000 1.568 97.568
T50 35.000 6.568 41.568
Peak 1.000 7.568 8.568
====== 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 -0.765 -0.335 0.375 - - - 5.24e-04 -1.04e-04 9.96e-05 52.260 57
CPL -0.695 -0.407 1.088 999.880 -999.880 -999.880 5.66e-04 -1.43e-04 -5.66e-04 52.380 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 -0.737 -0.529 0.673 - - - 3.75e-03 -1.23e-03 1.10e-03 65.570 57
CPL -0.758 -0.506 0.996 9999.360 -9999.360 -9999.360 3.80e-03 -1.08e-03 8.98e-03 65.590 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 3.64e-08 1.05e-07 2.48e-07 1.60e-06 6.71e-07 1.99e-06 erg/cm2
90%_error_low -1.46e-08 -2.74e-08 -4.60e-08 -6.20e-07 -1.26e-07 -6.44e-07 erg/cm2
90%_error_hi 1.71e-08 2.63e-08 4.54e-08 9.18e-07 1.26e-07 9.14e-07 erg/cm2
Peak flux PL 7.47e-02 1.19e-01 1.43e-01 3.34e-01 4.32e-01 6.70e-01 ph/cm2/s
90%_error_low -4.65e-02 -5.25e-02 -4.01e-02 -1.76e-01 -1.23e-01 -2.04e-01 ph/cm2/s
90%_error_hi 5.90e-02 4.80e-02 3.93e-02 3.24e-01 1.24e-01 2.69e-01 ph/cm2/s
Fluence CPL 3.64e-08 1.05e-07 2.43e-07 1.73e-06 6.77e-07 2.00e-06 erg/cm2
90%_error_low N/A N/A -4.10e-08 -1.28e-06 -1.32e-07 -1.18e-06 erg/cm2
90%_error_hi N/A N/A 5.50e-08 2.62e-07 1.27e-07 3.54e-07 erg/cm2
Peak flux CPL 7.49e-02 1.20e-01 1.41e-01 3.76e-01 4.39e-01 6.70e-01 ph/cm2/s
90%_error_low N/A -5.40e-02 N/A N/A -1.64e-01 -6.70e-01 ph/cm2/s
90%_error_hi N/A 4.75e-02 N/A N/A 1.52e-01 5.19e+00 ph/cm2/s
======================================================================