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: Tue Jun 23 00:22:25 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger294645
======================================================================
Trigger: 00294645 Segment: 000
BAT Trigger Time: 214389464 [s; MET]
Trigger Stop: 214389840 [s; MET]
UTC: 2007-10-18T08:37:41.700440 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 164.67599151863 Dec: 53.8304941752699 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: NO [ by BAT flight software ]
Image S/N Ratio: 7.55
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.55
Analysis Position: [ source = BAT ]
RA: 164.67599151863 Dec: 53.8304941752699 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 164.676 Dec: 53.8305 [deg; J2000]
{ 10h 58m 42.2s , +53d 49' 49.8" }
+/- 2.70010687777 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.36065886316
Angular difference between the analysis and refined position is 0.000461 arcmin
Partial Coding Fraction: 0.9765625 [ including projection effects ]
Duration
T90: 273.567999988794 +/- 40.0731999316647
Measured from: 132.196000009775
to: 405.763999998569 [s; relative to TRIGTIME]
T50: 153.916000008583 +/- 64.4150747940504
Measured from: 200.40000000596
to: 354.316000014544 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 301.655999988317
to: 302.655999988317 [s; relative to TRIGTIME]
Total Fluence
Measured from: 119.784000009298
to: 415.956000000238 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.528745 0.605148 0.515492 0.121955
0.077773 0.080861 0.071164 0.062127 [error]
Peak 0.005222 0.014783 0.014648 -0.000973
0.004534 0.004775 0.004211 0.003745 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 296.172 119.784 415.956
T90 273.568 132.196 405.764
T50 153.916 200.400 354.316
Peak 1.000 301.656 302.656
====== 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 -1.563 -0.252 0.247 - - - 3.74e-04 -5.48e-05 5.37e-05 70.070 57
CPL -1.569 -0.246 0.302 9999.180 -9999.180 -9999.180 3.74e-04 -5.45e-05 3.68e-04 70.080 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 -1.173 -0.586 0.624 - - - 2.47e-03 -8.98e-04 8.98e-04 54.610 57
CPL 2.630 -3.715 -2.630 61.203 -15.346 288.959 1.70e-01 -1.70e-01 5.67e+02 51.640 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 1.50e-07 2.65e-07 3.59e-07 1.00e-06 1.04e-06 1.78e-06 erg/cm2
90%_error_low -3.25e-08 -3.63e-08 -7.10e-08 -3.62e-07 -1.66e-07 -4.32e-07 erg/cm2
90%_error_hi 3.38e-08 3.61e-08 7.07e-08 4.84e-07 1.69e-07 5.33e-07 erg/cm2
Peak flux PL 7.43e-02 9.08e-02 8.05e-02 1.23e-01 2.88e-01 3.69e-01 ph/cm2/s
90%_error_low -4.30e-02 -3.84e-02 -3.32e-02 -7.73e-02 -1.07e-01 -1.39e-01 ph/cm2/s
90%_error_hi 5.29e-02 3.76e-02 3.29e-02 1.35e-01 1.08e-01 1.47e-01 ph/cm2/s
Fluence CPL 1.52e-07 2.61e-07 3.57e-07 9.97e-07 1.06e-06 1.96e-06 erg/cm2
90%_error_low -4.07e-08 N/A -6.89e-08 N/A -1.87e-07 -8.52e-07 erg/cm2
90%_error_hi 3.80e-08 N/A 7.28e-08 N/A 1.46e-07 1.24e-07 erg/cm2
Peak flux CPL 2.92e-02 1.12e-01 9.46e-02 8.39e-03 2.44e-01 2.44e-01 ph/cm2/s
90%_error_low -2.92e-02 -6.12e-02 N/A -8.39e-03 -1.05e-01 -1.07e-01 ph/cm2/s
90%_error_hi 6.66e-02 5.38e-02 N/A 1.04e-01 1.16e-01 1.31e-01 ph/cm2/s
======================================================================
Special notes of this burst