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 22:11:42 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger454473
======================================================================
Trigger: 00454473 Segment: 000
BAT Trigger Time: 328462269.696 [s; MET]
Trigger Stop: 328462277.888 [s; MET]
UTC: 2011-05-30T15:31:02.689700 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 282.044970301811 Dec: 61.9318358067532 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.75
Image Trigger?: NO
Rate S/N Ratio: 11.6619037896906 [ if not an image trigger ]
Image S/N Ratio: 9.75
Analysis Position: [ source = BAT ]
RA: 282.044970301811 Dec: 61.9318358067532 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 282.031262557192 Dec: 61.9277373575728 [deg; J2000]
{ 18h 48m 07.5s , +61d 55' 39.9" }
+/- 1.9741407963206 [arcmin] (estimated 90% radius based on SNR)
+/- 0.794552005179749 [arcmin] (formal 1-sigma fit error)
SNR: 11.5119695502124
Angular difference between the analysis and refined position is 0.458530 arcmin
Partial Coding Fraction: 0.984375 [ including projection effects ]
Duration
T90: 55.7280000448227 +/- 12.5300432424269
Measured from: -40.6719999909401
to: 15.0560000538826 [s; relative to TRIGTIME]
T50: 26.5440000295639 +/- 12.2332320748672
Measured from: -19.7439999580383
to: 6.80000007152557 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.02799999713898
to: 2.02799999713898 [s; relative to TRIGTIME]
Total Fluence
Measured from: -48.8639999628067
to: 17.37600004673 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.325218 0.369513 0.194481 0.067504
0.043281 0.044643 0.039845 0.035811 [error]
Peak 0.015274 0.017289 0.019892 0.002273
0.005710 0.005579 0.005013 0.004416 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 66.240 -48.864 17.376
T90 55.728 -40.672 15.056
T50 26.544 -19.744 6.800
Peak 1.000 1.028 2.028
====== 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 -1.869 -0.287 0.269 - - - 7.97e-04 -1.46e-04 1.41e-04 60.710 57
CPL -1.876 N/A N/A 9998.970 N/A N/A 7.93e-04 N/A N/A 60.720 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 -1.252 -0.574 0.585 - - - 3.65e-03 -1.05e-03 1.05e-03 50.350 57
CPL -1.247 -0.579 0.589 9999.360 -9999.360 -9999.360 3.67e-03 -1.06e-03 1.49e-02 50.350 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 9.54e-08 1.40e-07 1.53e-07 3.15e-07 4.85e-07 7.04e-07 erg/cm2
90%_error_low -1.89e-08 -1.97e-08 -3.80e-08 -1.33e-07 -8.60e-08 -1.78e-07 erg/cm2
90%_error_hi 1.94e-08 1.96e-08 3.91e-08 1.88e-07 8.92e-08 2.23e-07 erg/cm2
Peak flux PL 1.19e-01 1.38e-01 1.16e-01 1.65e-01 4.32e-01 5.38e-01 ph/cm2/s
90%_error_low -6.17e-02 -4.83e-02 -4.23e-02 -9.99e-02 -1.27e-01 -1.61e-01 ph/cm2/s
90%_error_hi 7.42e-02 4.54e-02 4.02e-02 1.71e-01 1.28e-01 1.72e-01 ph/cm2/s
Fluence CPL 9.59e-08 1.25e-07 1.40e-07 3.81e-07 4.14e-07 7.04e-07 erg/cm2
90%_error_low -2.08e-08 -3.02e-08 -2.64e-08 -1.84e-07 -1.00e-07 -2.79e-07 erg/cm2
90%_error_hi 2.00e-08 2.91e-08 2.33e-08 1.22e-07 1.00e-07 1.01e-07 erg/cm2
Peak flux CPL 1.19e-01 1.38e-01 1.16e-01 1.64e-01 4.32e-01 5.62e-01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A -2.08e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A 1.71e-01 ph/cm2/s
======================================================================