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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Thu Oct 1 10:09:11 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger652334
======================================================================
Trigger: 00652334 Segment: 000
BAT Trigger Time: 461469928.384 [s; MET]
Trigger Stop: 461469928.64 [s; MET]
UTC: 2015-08-17T02:05:13.380060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 249.643455724632 Dec: -12.065631269064 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.83
Image Trigger?: NO
Rate S/N Ratio: 26.2678510731274 [ if not an image trigger ]
Image S/N Ratio: 10.83
Analysis Position: [ source = BAT ]
RA: 249.643455724632 Dec: -12.065631269064 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 249.634059417604 Dec: -12.0519580068529 [deg; J2000]
{ 16h 38m 32.2s , -12d 03' 07.0" }
+/- 0.738112703441205 [arcmin] (estimated 90% radius based on SNR)
+/- 0.219918557222229 [arcmin] (formal 1-sigma fit error)
SNR: 46.9369160821068
Angular difference between the analysis and refined position is 0.988445 arcmin
Partial Coding Fraction: 0.71875 [ including projection effects ]
Duration
T90: 37.9959999322891 +/- 2.13080735521689
Measured from: -5.81999999284744
to: 32.1759999394417 [s; relative to TRIGTIME]
T50: 15.9439999461174 +/- 2.59793456869933
Measured from: 3.3759999871254
to: 19.3199999332428 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 11.216000020504
to: 12.216000020504 [s; relative to TRIGTIME]
Total Fluence
Measured from: -16.7639999985695
to: 58.7319999933243 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.315471 4.021489 2.480141 0.480642
0.065662 0.062314 0.051838 0.039379 [error]
Peak 0.220231 0.402648 0.457270 0.152518
0.011021 0.013023 0.013683 0.009564 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 75.496 -16.764 58.732
T90 37.996 -5.820 32.176
T50 15.944 3.376 19.320
Peak 1.000 11.216 12.216
====== 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 -1.775 -0.044 0.044 - - - 8.54e-03 -1.92e-04 1.92e-04 47.670 57
CPL -1.605 -0.172 0.180 123.185 -37.785 7921.985 1.03e-02 -1.61e-03 2.15e-03 44.900 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 -0.940 -0.061 0.062 - - - 8.36e-02 -2.88e-03 2.87e-03 43.290 57
CPL -0.849 -0.117 0.241 758.910 -758.910 -758.910 9.15e-02 -1.31e-02 2.35e-02 42.840 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 1.07e-06 1.66e-06 1.94e-06 4.37e-06 5.94e-06 9.03e-06 erg/cm2
90%_error_low -4.75e-08 -4.22e-08 -5.63e-08 -2.84e-07 -1.36e-07 -3.15e-07 erg/cm2
90%_error_hi 4.84e-08 4.22e-08 5.62e-08 2.97e-07 1.36e-07 3.24e-07 erg/cm2
Peak flux PL 9.61e-04 9.85e-03 1.08e-01 1.18e+01 4.80e-01 1.20e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 1.02e-06 1.67e-06 1.96e-06 3.47e-06 5.86e-06 8.12e-06 erg/cm2
90%_error_low -6.18e-08 -4.54e-08 -6.02e-08 -7.11e-07 -1.58e-07 -7.33e-07 erg/cm2
90%_error_hi 6.30e-08 4.56e-08 6.07e-08 9.21e-07 1.58e-07 9.39e-07 erg/cm2
Peak flux CPL 1.96e+00 2.85e+00 2.99e+00 5.18e+00 9.57e+00 1.30e+01 ph/cm2/s
90%_error_low -1.94e-01 -1.28e-01 -1.16e-01 -1.07e+00 -3.46e-01 -1.13e+00 ph/cm2/s
90%_error_hi 1.76e-01 1.29e-01 1.38e-01 7.17e-01 3.40e-01 7.48e-01 ph/cm2/s
======================================================================
Special notes of this burst