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: Wed Jan 22 17:34:16 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger205096
======================================================================
Trigger: 00205096 Segment: 000
BAT Trigger Time: 166646424 [s; MET]
Trigger Stop: 166646488 [s; MET]
UTC: 2006-04-13T18:40:22.869180 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 291.299608710978 Dec: 13.807879439934 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.26
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.26
Analysis Position: [ source = BAT ]
RA: 291.299608710978 Dec: 13.807879439934 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 291.292926282381 Dec: 13.7473285945198 [deg; J2000]
{ 19h 25m 10.3s , +13d 44' 50.4" }
+/- 1.91165478341018 [arcmin] (estimated 90% radius based on SNR)
+/- 0.688252182555294 [arcmin] (formal 1-sigma fit error)
SNR: 12.0532691497615
Angular difference between the analysis and refined position is 3.653861 arcmin
Partial Coding Fraction: 1.03125 [ including projection effects ]
Duration
T90: 141.124000012875 +/- 20.5971195106687
Measured from: 53.16400000453
to: 194.288000017405 [s; relative to TRIGTIME]
T50: 37.3480000197887 +/- 3.18845732972999
Measured from: 83.8240000009537
to: 121.172000020742 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 90.1599999964237
to: 91.1599999964237 [s; relative to TRIGTIME]
Total Fluence
Measured from: 29.9760000109673
to: 246.944000005722 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.044615 2.345358 1.608454 0.352370
0.073645 0.073594 0.061361 0.049097 [error]
Peak 0.042131 0.043144 0.027559 0.008898
0.005185 0.005478 0.004516 0.003394 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 216.968 29.976 246.944
T90 141.124 53.164 194.288
T50 37.348 83.824 121.172
Peak 1.000 90.160 91.160
====== 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 -1.662 -0.072 0.072 - - - 1.76e-03 -6.77e-05 6.75e-05 41.730 57
CPL -1.528 -0.226 0.295 179.265 -89.914 -179.265 2.05e-03 -3.43e-04 7.86e-04 41.060 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 -1.743 -0.241 0.231 - - - 6.83e-03 -1.05e-03 1.02e-03 51.740 57
CPL -1.575 -0.588 0.997 112.065 -68.664 -112.065 8.50e-03 N/A N/A 51.630 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 5.69e-07 9.47e-07 1.20e-06 3.02e-06 3.56e-06 5.73e-06 erg/cm2
90%_error_low -3.91e-08 -3.80e-08 -6.12e-08 -3.30e-07 -1.44e-07 -3.73e-07 erg/cm2
90%_error_hi 4.01e-08 3.79e-08 6.11e-08 3.57e-07 1.44e-07 3.94e-07 erg/cm2
Peak flux PL 3.55e-01 3.10e-01 1.85e-01 1.67e-01 9.22e-01 1.02e+00 ph/cm2/s
90%_error_low -6.91e-02 -4.08e-02 -3.68e-02 -5.68e-02 -1.21e-01 -1.36e-01 ph/cm2/s
90%_error_hi 7.16e-02 4.07e-02 3.69e-02 7.23e-02 1.21e-01 1.37e-01 ph/cm2/s
Fluence CPL 5.54e-07 9.57e-07 1.21e-06 2.46e-06 3.52e-06 5.18e-06 erg/cm2
90%_error_low -4.93e-08 -4.25e-08 -6.41e-08 -8.23e-07 -1.66e-07 -8.39e-07 erg/cm2
90%_error_hi 4.62e-08 4.35e-08 6.48e-08 6.46e-07 1.65e-07 6.96e-07 erg/cm2
Peak flux CPL 3.49e-01 3.16e-01 1.86e-01 1.30e-01 9.17e-01 9.82e-01 ph/cm2/s
90%_error_low -7.69e-02 -4.66e-02 -3.73e-02 -1.30e-01 -1.24e-01 -1.64e-01 ph/cm2/s
90%_error_hi 7.44e-02 5.47e-02 3.87e-02 7.88e-02 1.23e-01 1.68e-01 ph/cm2/s
======================================================================
Special notes of this burst