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 23:41:22 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger567163
======================================================================
Trigger: 00567163 Segment: 000
BAT Trigger Time: 398879668.212 [s; MET]
Trigger Stop: 398879668.244 [s; MET]
UTC: 2013-08-22T15:54:17.270440 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 27.9397002132013 Dec: -3.21912082484814 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.43
Image Trigger?: NO
Rate S/N Ratio: 19.6468827043885 [ if not an image trigger ]
Image S/N Ratio: 7.43
Analysis Position: [ source = BAT ]
RA: 27.9397002132013 Dec: -3.21912082484814 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 27.929772957175 Dec: -3.19358332719016 [deg; J2000]
{ 01h 51m 43.1s , -03d 11' 36.9" }
+/- 2.44867327978622 [arcmin] (estimated 90% radius based on SNR)
+/- 0.961374981541333 [arcmin] (formal 1-sigma fit error)
SNR: 8.46258202423166
Angular difference between the analysis and refined position is 1.643612 arcmin
Partial Coding Fraction: 0.9296875 [ including projection effects ]
Duration
T90: 0.043999969959259 +/- 0.0113137314268704
Measured from: -0.00400000810623169
to: 0.0399999618530273 [s; relative to TRIGTIME]
T50: 0.0199999213218689 +/- 0.0113137314268704
Measured from: 0.00800001621246338
to: 0.0279999375343323 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.477999985218048
to: 0.522000014781952 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.00400000810623169
to: 0.043999969959259 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.007412 0.007896 0.009023 -0.000204
0.001559 0.001739 0.001487 0.001054 [error]
Peak 0.013348 0.012007 0.012620 -0.001754
0.005095 0.005191 0.004671 0.003949 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.048 -0.004 0.044
T90 0.044 -0.004 0.040
T50 0.020 0.008 0.028
Peak 1.000 -0.478 0.522
====== 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 -1.673 -0.302 0.288 - - - 2.73e-02 -5.78e-03 5.71e-03 59.580 57
CPL 0.452 -1.556 2.247 60.315 -10.926 26.247 3.08e-01 -3.08e-01 2.57e+00 53.820 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 -1.866 -0.853 0.657 - - - 2.27e-03 -1.15e-03 1.05e-03 44.240 57
CPL -0.998 -1.187 4.958 53.244 N/A N/A 6.73e-03 N/A N/A 43.950 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 1.97e-09 3.26e-09 4.09e-09 1.02e-08 1.22e-08 1.95e-08 erg/cm2
90%_error_low -5.61e-10 -6.69e-10 -1.06e-09 -4.38e-09 -2.65e-09 -5.70e-09 erg/cm2
90%_error_hi 5.89e-10 6.66e-10 1.05e-09 5.80e-09 2.66e-09 6.66e-09 erg/cm2
Peak flux PL 1.33e-01 1.08e-01 5.93e-02 4.77e-02 3.22e-01 3.48e-01 ph/cm2/s
90%_error_low -6.55e-02 -4.06e-02 -3.60e-02 -4.77e-02 -1.20e-01 -1.33e-01 ph/cm2/s
90%_error_hi 7.21e-02 4.03e-02 3.75e-02 7.94e-02 1.20e-01 1.37e-01 ph/cm2/s
Fluence CPL 1.37e-09 4.13e-09 5.14e-09 1.90e-09 1.21e-08 1.25e-08 erg/cm2
90%_error_low -7.33e-10 -9.31e-10 -1.41e-09 -1.28e-09 -2.52e-09 -1.59e-09 erg/cm2
90%_error_hi 7.55e-10 9.69e-10 1.50e-09 3.77e-09 2.57e-09 3.77e-09 erg/cm2
Peak flux CPL 1.19e-01 1.19e-01 6.23e-02 1.93e-02 3.15e-01 3.19e-01 ph/cm2/s
90%_error_low N/A -6.55e-02 -4.01e-02 N/A -1.23e-01 -1.27e-01 ph/cm2/s
90%_error_hi N/A 5.56e-02 4.46e-02 N/A 1.22e-01 1.47e-01 ph/cm2/s
======================================================================
Special notes of this burst