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: Sat Jan 11 22:31:16 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger576238
======================================================================
Trigger: 00576238 Segment: 000
BAT Trigger Time: 404859390.016 [s; MET]
Trigger Stop: 404859391.04 [s; MET]
UTC: 2013-10-30T20:56:18.801700 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 345.079654263905 Dec: -5.38921581867925 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 21.38
Image Trigger?: NO
Rate S/N Ratio: 126.435754436789 [ if not an image trigger ]
Image S/N Ratio: 21.38
Analysis Position: [ source = BAT ]
RA: 345.079654263905 Dec: -5.38921581867925 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 345.074259018885 Dec: -5.37913552189258 [deg; J2000]
{ 23h 00m 17.8s , -05d 22' 44.9" }
+/- 0.546643469240952 [arcmin] (estimated 90% radius based on SNR)
+/- 0.193036441606166 [arcmin] (formal 1-sigma fit error)
SNR: 72.0819815856813
Angular difference between the analysis and refined position is 0.685327 arcmin
Partial Coding Fraction: 0.375 [ including projection effects ]
Duration
T90: 39.4239999651909 +/- 3.6748333110245
Measured from: -2.25199997425079
to: 37.1719999909401 [s; relative to TRIGTIME]
T50: 8.40799999237061 +/- 0.232551075483291
Measured from: 3.94400000572205
to: 12.3519999980927 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 6.40000003576279
to: 7.40000003576279 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.50399994850159
to: 143.368000030518 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 9.412478 14.650115 13.635780 3.925338
0.103307 0.118905 0.117358 0.103875 [error]
Peak 0.545847 1.158875 1.309875 0.440530
0.019166 0.026285 0.028318 0.020492 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 148.872 -5.504 143.368
T90 39.424 -2.252 37.172
T50 8.408 3.944 12.352
Peak 1.000 6.400 7.400
====== 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 -1.292 -0.027 0.027 - - - 1.98e-02 -2.91e-04 2.91e-04 36.430 57
CPL -1.162 -0.110 0.113 404.430 -156.329 1542.080 2.23e-02 -2.08e-03 2.36e-03 32.370 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 -0.959 -0.045 0.045 - - - 2.44e-01 -6.42e-03 6.41e-03 83.400 57
CPL -0.585 -0.183 0.191 229.293 -56.764 153.248 3.52e-01 -5.60e-02 6.92e-02 70.760 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 3.10e-06 6.46e-06 1.05e-05 3.88e-05 2.91e-05 5.89e-05 erg/cm2
90%_error_low -1.02e-07 -1.25e-07 -1.57e-07 -1.38e-06 -4.09e-07 -1.41e-06 erg/cm2
90%_error_hi 1.03e-07 1.25e-07 1.57e-07 1.42e-06 4.08e-07 1.44e-06 erg/cm2
Peak flux PL 6.01e+00 8.35e+00 8.59e+00 1.62e+01 2.81e+01 3.91e+01 ph/cm2/s
90%_error_low -3.27e-01 -2.80e-01 -2.34e-01 -9.36e-01 -7.48e-01 -1.10e+00 ph/cm2/s
90%_error_hi 3.34e-01 2.79e-01 2.33e-01 9.72e-01 7.49e-01 1.10e+00 ph/cm2/s
Fluence CPL 2.96e-06 6.47e-06 1.07e-05 3.37e-05 2.90e-05 5.38e-05 erg/cm2
90%_error_low -1.45e-07 -1.26e-07 -2.01e-07 -3.76e-06 -4.29e-07 -3.75e-06 erg/cm2
90%_error_hi 1.48e-07 1.26e-07 2.02e-07 4.34e-06 4.28e-07 4.32e-06 erg/cm2
Peak flux CPL 5.37e+00 8.46e+00 9.02e+00 1.16e+01 2.77e+01 3.44e+01 ph/cm2/s
90%_error_low -4.25e-01 -2.95e-01 -3.08e-01 -1.67e+00 -7.70e-01 -1.85e+00 ph/cm2/s
90%_error_hi 4.37e-01 2.96e-01 3.10e-01 2.03e+00 7.71e-01 2.15e+00 ph/cm2/s
======================================================================
Special notes of this burst