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: Tue Jul 5 22:05:56 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger690598
======================================================================
Trigger: 00690598 Segment: 000
BAT Trigger Time: 487374050.816 [s; MET]
Trigger Stop: 487374051.84 [s; MET]
UTC: 2016-06-11T21:40:34.413540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 164.437689236213 Dec: -70.3948489703434 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.82
Image Trigger?: NO
Rate S/N Ratio: 11.3137084989848 [ if not an image trigger ]
Image S/N Ratio: 7.82
Analysis Position: [ source = BAT ]
RA: 164.437689236213 Dec: -70.3948489703434 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 164.413991444967 Dec: -70.3978415238082 [deg; J2000]
{ 10h 57m 39.4s , -70d 23' 52.2" }
+/- 1.18171277190401 [arcmin] (estimated 90% radius based on SNR)
+/- 0.506341480195562 [arcmin] (formal 1-sigma fit error)
SNR: 23.9623777056655
Angular difference between the analysis and refined position is 0.509724 arcmin
Partial Coding Fraction: 0.453125 [ including projection effects ]
Duration
T90: 35.12399995327 +/- 6.00160015347611
Measured from: -25.2680000066757
to: 9.85599994659424 [s; relative to TRIGTIME]
T50: 10.7759999632835 +/- 2.07533320391873
Measured from: -6.31199997663498
to: 4.46399998664856 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2.6360000371933
to: 3.6360000371933 [s; relative to TRIGTIME]
Total Fluence
Measured from: -31.3840000033379
to: 13.5120000243187 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.789735 1.046970 0.752096 0.174853
0.061236 0.062954 0.054750 0.048832 [error]
Peak 0.072619 0.074341 0.062001 0.014431
0.009726 0.010406 0.008712 0.007600 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 44.896 -31.384 13.512
T90 35.124 -25.268 9.856
T50 10.776 -6.312 4.464
Peak 1.000 2.636 3.636
====== 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 -1.676 -0.123 0.121 - - - 4.26e-03 -3.00e-04 2.98e-04 54.780 57
CPL -1.532 -0.253 0.464 160.014 N/A N/A 5.05e-03 N/A N/A 54.450 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 -1.710 -0.248 0.239 - - - 1.48e-02 -2.15e-03 2.11e-03 77.590 57
CPL -1.704 -0.462 0.236 9998.880 -9998.870 -9998.880 1.49e-02 -2.18e-03 2.24e-02 77.590 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 2.88e-07 4.76e-07 5.96e-07 1.48e-06 1.78e-06 2.84e-06 erg/cm2
90%_error_low -3.27e-08 -3.34e-08 -5.53e-08 -2.74e-07 -1.31e-07 -3.22e-07 erg/cm2
90%_error_hi 3.38e-08 3.33e-08 5.52e-08 3.14e-07 1.32e-07 3.52e-07 erg/cm2
Peak flux PL 7.48e-01 6.65e-01 4.06e-01 3.76e-01 1.98e+00 2.20e+00 ph/cm2/s
90%_error_low -1.63e-01 -9.33e-02 -7.58e-02 -1.25e-01 -2.73e-01 -2.94e-01 ph/cm2/s
90%_error_hi 1.73e-01 9.24e-02 7.44e-02 1.56e-01 2.74e-01 2.95e-01 ph/cm2/s
Fluence CPL 2.82e-07 4.83e-07 6.01e-07 1.18e-06 1.76e-06 2.54e-06 erg/cm2
90%_error_low -3.81e-08 -3.84e-08 -5.75e-08 -5.64e-07 -1.44e-07 -5.81e-07 erg/cm2
90%_error_hi 3.45e-08 4.01e-08 5.86e-08 3.80e-07 1.43e-07 4.26e-07 erg/cm2
Peak flux CPL 7.64e-01 6.61e-01 4.02e-01 3.76e-01 1.99e+00 2.25e+00 ph/cm2/s
90%_error_low N/A -9.23e-02 -2.53e-01 N/A N/A -5.20e-01 ph/cm2/s
90%_error_hi N/A 9.99e-02 -1.08e-01 N/A N/A 3.09e-01 ph/cm2/s
======================================================================
Special notes of this burst