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 22:16:56 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger577968
======================================================================
Trigger: 00577968 Segment: 000
BAT Trigger Time: 406341256 [s; MET]
Trigger Stop: 406341257.024 [s; MET]
UTC: 2013-11-17T00:34:04.717400 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 332.339311275174 Dec: -31.7223097661789 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.87
Image Trigger?: NO
Rate S/N Ratio: 11.916375287813 [ if not an image trigger ]
Image S/N Ratio: 6.87
Analysis Position: [ source = BAT ]
RA: 332.339311275174 Dec: -31.7223097661789 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 332.3502675072 Dec: -31.7616106408069 [deg; J2000]
{ 22h 09m 24.1s , -31d 45' 41.8" }
+/- 1.71880751002449 [arcmin] (estimated 90% radius based on SNR)
+/- 0.742810333980982 [arcmin] (formal 1-sigma fit error)
SNR: 14.0307039809489
Angular difference between the analysis and refined position is 2.423416 arcmin
Partial Coding Fraction: 0.859375 [ including projection effects ]
Duration
T90: 10.8799999952316 +/- 2.81163301773906
Measured from: 0.0400000214576721
to: 10.9200000166893 [s; relative to TRIGTIME]
T50: 4.1599999666214 +/- 1.17662566602415
Measured from: 1.5120000243187
to: 5.67199999094009 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.236000001430511
to: 0.763999998569489 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.472000002861023
to: 11.944000005722 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.178468 0.253262 0.094479 0.001851
0.019697 0.020269 0.017303 0.014739 [error]
Peak 0.022526 0.037075 0.023699 -0.002377
0.005761 0.006114 0.005120 0.004198 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 12.416 -0.472 11.944
T90 10.880 0.040 10.920
T50 4.160 1.512 5.672
Peak 1.000 -0.236 0.764
====== 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 -1.806 -0.182 0.176 - - - 2.60e-03 -3.24e-04 3.19e-04 52.530 57
CPL 0.171 -1.099 1.607 44.352 -5.964 10.428 3.73e-02 -3.73e-02 3.03e-01 40.700 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 -1.579 -0.312 0.299 - - - 5.21e-03 -1.13e-03 1.11e-03 60.310 57
CPL 0.954 -1.633 2.577 53.724 -10.153 20.836 1.18e-01 -1.18e-01 2.58e+00 51.980 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 5.51e-08 8.40e-08 9.61e-08 2.10e-07 2.98e-07 4.46e-07 erg/cm2
90%_error_low -8.03e-09 -8.84e-09 -1.57e-08 -6.08e-08 -3.73e-08 -7.95e-08 erg/cm2
90%_error_hi 8.21e-09 8.84e-09 1.60e-08 7.53e-08 3.80e-08 9.10e-08 erg/cm2
Peak flux PL 2.31e-01 2.22e-01 1.49e-01 1.56e-01 6.65e-01 7.57e-01 ph/cm2/s
90%_error_low -6.55e-02 -4.55e-02 -3.91e-02 -6.59e-02 -1.34e-01 -1.56e-01 ph/cm2/s
90%_error_hi 6.98e-02 4.54e-02 3.94e-02 8.81e-02 1.34e-01 1.58e-01 ph/cm2/s
Fluence CPL 4.72e-08 1.05e-07 8.27e-08 1.57e-08 2.48e-07 2.50e-07 erg/cm2
90%_error_low -9.77e-09 -1.40e-08 -2.44e-08 N/A -3.71e-08 -3.89e-08 erg/cm2
90%_error_hi 9.59e-09 1.48e-08 2.24e-08 N/A 4.23e-08 5.50e-08 erg/cm2
Peak flux CPL 1.62e-01 2.86e-01 1.65e-01 2.00e-02 6.32e-01 6.33e-01 ph/cm2/s
90%_error_low -7.68e-02 -6.31e-02 -5.40e-02 -2.00e-02 -1.34e-01 -1.35e-01 ph/cm2/s
90%_error_hi 8.25e-02 6.74e-02 5.19e-02 5.03e-02 1.35e-01 1.39e-01 ph/cm2/s
======================================================================
Special notes of this burst