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 23:20:41 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger100970
======================================================================
Trigger: 00100970 Segment: 000
BAT Trigger Time: 125923753.472 [s; MET]
Trigger Stop: 125923769.856 [s; MET]
UTC: 2004-12-28T10:49:14.142460 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 336.648289388184 Dec: 5.03633072641599 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 16
Image Trigger?: NO
Rate S/N Ratio: 26.7955220139485 [ if not an image trigger ]
Image S/N Ratio: 16
Analysis Position: [ source = BAT ]
RA: 336.648289388184 Dec: 5.03633072641599 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 336.649614099292 Dec: 5.02731446088863 [deg; J2000]
{ 22h 26m 35.9s , +05d 01' 38.3" }
+/- 0.887651757061631 [arcmin] (estimated 90% radius based on SNR)
+/- 0.30589196498394 [arcmin] (formal 1-sigma fit error)
SNR: 36.0626385020167
Angular difference between the analysis and refined position is 0.546739 arcmin
Partial Coding Fraction: 0.4257812 [ including projection effects ]
Duration
T90: 56.3000000119209 +/- 7.78277277125783
Measured from: 1.33599999547005
to: 57.636000007391 [s; relative to TRIGTIME]
T50: 20.0840000212193 +/- 2.05039019772188
Measured from: 10.3559999912977
to: 30.440000012517 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 22.027999997139
to: 23.027999997139 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.73600000143051
to: 70.7000000029802 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.523095 1.943263 1.538650 0.442768
0.071782 0.072893 0.062870 0.054898 [error]
Peak 0.062506 0.056563 0.048736 0.018513
0.008703 0.009098 0.007731 0.006410 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 73.436 -2.736 70.700
T90 56.300 1.336 57.636
T50 20.084 10.356 30.440
Peak 1.000 22.028 23.028
====== 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 -1.588 -0.079 0.079 - - - 5.18e-03 -2.15e-04 2.14e-04 63.600 57
CPL -1.586 -0.080 0.146 9999.360 -9999.360 -9999.360 5.19e-03 -2.15e-04 9.82e-04 63.630 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 -1.702 -0.267 0.259 - - - 1.22e-02 -1.87e-03 1.84e-03 48.070 57
CPL -1.707 -0.263 0.267 9999.270 -9999.260 -9999.270 1.22e-02 -1.84e-03 1.52e-02 48.070 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 5.28e-07 9.18e-07 1.22e-06 3.32e-06 3.56e-06 5.99e-06 erg/cm2
90%_error_low -4.26e-08 -4.35e-08 -6.37e-08 -3.78e-07 -1.54e-07 -4.16e-07 erg/cm2
90%_error_hi 4.39e-08 4.33e-08 6.34e-08 4.10e-07 1.54e-07 4.40e-07 erg/cm2
Peak flux PL 6.10e-01 5.45e-01 3.35e-01 3.12e-01 1.62e+00 1.80e+00 ph/cm2/s
90%_error_low -1.46e-01 -8.37e-02 -6.58e-02 -1.09e-01 -2.43e-01 -2.60e-01 ph/cm2/s
90%_error_hi 1.56e-01 8.26e-02 6.44e-02 1.38e-01 2.44e-01 2.60e-01 ph/cm2/s
Fluence CPL 5.33e-07 9.15e-07 1.22e-06 3.47e-06 3.57e-06 5.87e-06 erg/cm2
90%_error_low N/A -5.65e-08 -8.12e-08 -8.58e-07 -2.23e-07 -6.52e-07 erg/cm2
90%_error_hi N/A 6.32e-08 9.28e-08 3.49e-08 2.02e-07 5.42e-07 erg/cm2
Peak flux CPL 6.10e-01 5.39e-01 3.32e-01 3.12e-01 1.62e+00 1.84e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A -2.44e-01 -3.78e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A 2.44e-01 2.46e-01 ph/cm2/s
======================================================================
Special notes of this burst