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 20 09:07:22 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger282066
======================================================================
Trigger: 00282066 Segment: 000
BAT Trigger Time: 203308728 [s; MET]
Trigger Stop: 203308792 [s; MET]
UTC: 2007-06-12T02:38:45.983960 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 121.385105116276 Dec: 37.2655808388602 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 14.22
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 14.22
Analysis Position: [ source = BAT ]
RA: 121.385105116276 Dec: 37.2655808388602 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 121.352795420991 Dec: 37.2630472585902 [deg; J2000]
{ 08h 05m 24.7s , +37d 15' 47.0" }
+/- 1.35590166812648 [arcmin] (estimated 90% radius based on SNR)
+/- 0.570853445486668 [arcmin] (formal 1-sigma fit error)
SNR: 19.6888775731175
Angular difference between the analysis and refined position is 1.550293 arcmin
Partial Coding Fraction: 0.1181641 [ including projection effects ]
Duration
T90: 365.27999997139 +/- 51.669698660941
Measured from: 1.17599999904633
to: 366.455999970436 [s; relative to TRIGTIME]
T50: 189.135999977589 +/- 11.7732523936028
Measured from: 28.9359999895096
to: 218.071999967098 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.62000000476837
to: 3.62000000476837 [s; relative to TRIGTIME]
Total Fluence
Measured from: -4.69600000977516
to: 417.863999992609 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 4.844858 6.293801 4.695318 1.048985
0.273596 0.287619 0.254550 0.220689 [error]
Peak 0.034218 0.035506 0.099015 0.032891
0.014014 0.015233 0.015074 0.012221 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 422.560 -4.696 417.864
T90 365.280 1.176 366.456
T50 189.136 28.936 218.072
Peak 1.000 2.620 3.620
====== 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 -1.640 -0.092 0.092 - - - 2.75e-03 -1.46e-04 1.45e-04 47.690 57
CPL -1.439 -0.248 0.357 137.695 N/A N/A 3.49e-03 N/A N/A 46.630 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 -0.617 -0.419 0.487 - - - 1.17e-02 -3.47e-03 3.25e-03 47.690 57
CPL 0.007 -1.026 3.970 233.589 -233.589 -233.589 1.89e-02 -1.02e-02 1.88e-01 47.430 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 1.69e-06 2.86e-06 3.67e-06 9.46e-06 1.08e-05 1.77e-05 erg/cm2
90%_error_low -1.48e-07 -1.54e-07 -2.54e-07 -1.33e-06 -6.06e-07 -1.54e-06 erg/cm2
90%_error_hi 1.52e-07 1.53e-07 2.54e-07 1.47e-06 6.09e-07 1.65e-06 erg/cm2
Peak flux PL 2.09e-01 3.57e-01 4.66e-01 1.23e+00 1.37e+00 2.26e+00 ph/cm2/s
90%_error_low -1.11e-01 -1.37e-01 -1.04e-01 -5.01e-01 -3.45e-01 -5.50e-01 ph/cm2/s
90%_error_hi 1.50e-01 1.40e-01 1.04e-01 7.19e-01 3.55e-01 6.25e-01 ph/cm2/s
Fluence CPL 1.64e-06 2.92e-06 3.71e-06 6.90e-06 1.07e-05 1.52e-05 erg/cm2
90%_error_low -1.73e-07 -1.82e-07 -2.66e-07 -2.71e-06 -6.70e-07 -2.77e-06 erg/cm2
90%_error_hi 1.75e-07 1.85e-07 2.70e-07 3.04e-06 6.68e-07 3.20e-06 erg/cm2
Peak flux CPL 1.58e-01 3.42e-01 5.00e-01 8.28e-01 1.33e+00 1.83e+00 ph/cm2/s
90%_error_low -1.58e-01 -1.94e-01 -1.32e-01 -8.28e-01 -3.71e-01 -7.66e-01 ph/cm2/s
90%_error_hi 1.91e-01 1.53e-01 1.63e-01 5.12e-01 3.74e-01 9.72e-01 ph/cm2/s
======================================================================