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 May 26 22:38:36 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger456967
======================================================================
Trigger: 00456967 Segment: 000
BAT Trigger Time: 331939966.976 [s; MET]
Trigger Stop: 331939968 [s; MET]
UTC: 2011-07-09T21:32:39.835840 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 164.614495443872 Dec: -23.4839881602794 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.39
Image Trigger?: NO
Rate S/N Ratio: 12.4899959967968 [ if not an image trigger ]
Image S/N Ratio: 7.39
Analysis Position: [ source = BAT ]
RA: 164.614495443872 Dec: -23.4839881602794 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 164.668326775659 Dec: -23.4698929670294 [deg; J2000]
{ 10h 58m 40.4s , -23d 28' 11.6" }
+/- 1.05926852212273 [arcmin] (estimated 90% radius based on SNR)
+/- 0.346104897152091 [arcmin] (formal 1-sigma fit error)
SNR: 28.0153096825351
Angular difference between the analysis and refined position is 3.080861 arcmin
Partial Coding Fraction: 0.578125 [ including projection effects ]
Duration
T90: 810.471999943256 +/- 10.4116434855617
Measured from: 0.108000099658966
to: 810.580000042915 [s; relative to TRIGTIME]
T50: 629.391999959946 +/- 2.30903963424052
Measured from: 24.8720000982285
to: 654.264000058174 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 646.611999988556
to: 647.611999988556 [s; relative to TRIGTIME]
Total Fluence
Measured from: -27.3600000143051
to: 855.487999975681 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 9.382273 13.282414 11.081025 2.977319
0.178073 0.185981 0.168073 0.149592 [error]
Peak 0.118890 0.175016 0.160770 0.047459
0.007545 0.008589 0.008161 0.006287 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 882.848 -27.360 855.488
T90 810.472 0.108 810.580
T50 629.392 24.872 654.264
Peak 1.000 646.612 647.612
====== 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 -1.389 -0.038 0.038 - - - 2.74e-03 -5.29e-05 5.29e-05 41.140 57
CPL -1.252 -0.067 0.152 315.802 -134.434 -315.802 3.14e-03 -4.09e-04 4.98e-04 38.620 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 -1.262 -0.092 0.092 - - - 3.20e-02 -1.69e-03 1.69e-03 58.480 57
CPL -0.946 -0.344 0.378 175.264 -68.290 -175.264 4.55e-02 -1.40e-02 2.31e-02 56.070 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 2.78e-06 5.47e-06 8.36e-06 2.78e-05 2.34e-05 4.44e-05 erg/cm2
90%_error_low -1.17e-07 -1.32e-07 -1.86e-07 -1.47e-06 -4.64e-07 -1.54e-06 erg/cm2
90%_error_hi 1.19e-07 1.32e-07 1.86e-07 1.52e-06 4.65e-07 1.58e-06 erg/cm2
Peak flux PL 1.05e+00 1.21e+00 1.01e+00 1.42e+00 3.79e+00 4.70e+00 ph/cm2/s
90%_error_low -1.00e-01 -7.18e-02 -6.50e-02 -1.83e-01 -2.02e-01 -2.63e-01 ph/cm2/s
90%_error_hi 1.03e-01 7.14e-02 6.47e-02 2.00e-01 2.02e-01 2.65e-01 ph/cm2/s
Fluence CPL 2.68e-06 5.50e-06 8.46e-06 2.34e-05 2.32e-05 4.00e-05 erg/cm2
90%_error_low -1.59e-07 -1.36e-07 -2.16e-07 -3.90e-06 -5.14e-07 -3.91e-06 erg/cm2
90%_error_hi 1.62e-07 1.36e-07 2.17e-07 2.30e-06 5.13e-07 4.79e-06 erg/cm2
Peak flux CPL 9.81e-01 1.25e+00 1.04e+00 9.96e-01 3.73e+00 4.27e+00 ph/cm2/s
90%_error_low -1.22e-01 -8.04e-02 -7.39e-02 -3.13e-01 -2.10e-01 -3.85e-01 ph/cm2/s
90%_error_hi 1.25e-01 8.16e-02 7.51e-02 4.41e-01 2.10e-01 5.02e-01 ph/cm2/s
======================================================================
Special notes of this burst