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 May 27 00:49:36 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger292004
======================================================================
Trigger: 00292004 Segment: 000
BAT Trigger Time: 212267725.932 [s; MET]
Trigger Stop: 212267725.964 [s; MET]
UTC: 2007-09-23T19:15:23.687760 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 184.626373075231 Dec: -38.2677479658261 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.29
Image Trigger?: NO
Rate S/N Ratio: 45.9673797382448 [ if not an image trigger ]
Image S/N Ratio: 9.29
Analysis Position: [ source = BAT ]
RA: 184.626373075231 Dec: -38.2677479658261 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 184.641151554106 Dec: -38.2812519038051 [deg; J2000]
{ 12h 18m 33.9s , -38d 16' 52.5" }
+/- 1.89578307350786 [arcmin] (estimated 90% radius based on SNR)
+/- 0.795585009024764 [arcmin] (formal 1-sigma fit error)
SNR: 12.1976864063386
Angular difference between the analysis and refined position is 1.068202 arcmin
Partial Coding Fraction: 0.765625 [ including projection effects ]
Duration
T90: 0.0399999916553497 +/- 0.00894429003608426
Measured from: -0.00400000810623169
to: 0.035999983549118 [s; relative to TRIGTIME]
T50: 0.0200000107288361 +/- 0.00565686571343518
Measured from: 0.0039999783039093
to: 0.0239999890327454 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.480000019073486
to: 0.519999980926514 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.00400000810623169
to: 0.0399999916553497 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.008743 0.013901 0.022007 0.011381
0.001865 0.002368 0.002808 0.002375 [error]
Peak 0.017267 0.015897 0.030256 0.011187
0.006284 0.006544 0.006151 0.005599 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.044 -0.004 0.040
T90 0.040 -0.004 0.036
T50 0.020 0.004 0.024
Peak 1.000 -0.480 0.520
====== 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: 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 -0.750 -0.270 0.281 - - - 7.34e-02 -1.11e-02 1.10e-02 53.550 57
CPL -0.676 -0.346 0.836 984.502 -984.502 -984.502 7.96e-02 N/A N/A 53.720 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 -0.962 -0.541 0.592 - - - 4.70e-03 -1.32e-03 1.28e-03 65.750 57
CPL -0.968 -0.532 0.611 9999.360 -9999.360 -9999.360 4.73e-03 -1.29e-03 1.66e-02 65.760 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 2.05e-09 6.00e-09 1.43e-08 9.32e-08 3.86e-08 1.16e-07 erg/cm2
90%_error_low -6.16e-10 -1.13e-09 -2.40e-09 -3.23e-08 -6.59e-09 -3.40e-08 erg/cm2
90%_error_hi 6.81e-10 1.09e-09 2.35e-09 4.32e-08 6.65e-09 4.39e-08 erg/cm2
Peak flux PL 1.16e-01 1.61e-01 1.65e-01 3.10e-01 5.40e-01 7.51e-01 ph/cm2/s
90%_error_low -6.38e-02 -6.07e-02 -5.04e-02 -1.72e-01 -1.50e-01 -2.20e-01 ph/cm2/s
90%_error_hi 8.07e-02 5.67e-02 4.82e-02 2.90e-01 1.51e-01 2.58e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -6.16e-10 -1.13e-09 -2.40e-09 -3.23e-08 -6.59e-09 -3.40e-08 erg/cm2
90%_error_hi 6.81e-10 1.09e-09 2.35e-09 4.32e-08 6.65e-09 4.39e-08 erg/cm2
Peak flux CPL 1.16e-01 1.61e-01 1.65e-01 3.07e-01 5.40e-01 7.48e-01 ph/cm2/s
90%_error_low N/A N/A N/A N/A -1.50e-01 N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A 1.51e-01 N/A ph/cm2/s
======================================================================
Special notes of this burst