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: Wed Aug 2 15:01:47 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger760064
======================================================================
Trigger: 00760064 Segment: 000
BAT Trigger Time: 520915566.4 [s; MET]
Trigger Stop: 520915567.424 [s; MET]
UTC: 2017-07-05T02:45:47.080260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 191.705000976796 Dec: 18.29305165087 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.55
Image Trigger?: NO
Rate S/N Ratio: 15.2315462117278 [ if not an image trigger ]
Image S/N Ratio: 8.55
Analysis Position: [ source = BAT ]
RA: 191.705000976796 Dec: 18.29305165087 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 191.708449416614 Dec: 18.2971908310857 [deg; J2000]
{ 12h 46m 50.0s , +18d 17' 49.9" }
+/- 0.659520317019392 [arcmin] (estimated 90% radius based on SNR)
+/- 0.23724287812918 [arcmin] (formal 1-sigma fit error)
SNR: 55.1269339758875
Angular difference between the analysis and refined position is 0.316654 arcmin
Partial Coding Fraction: 0.8359375 [ including projection effects ]
Duration
T90: 223.203999936581 +/- 15.5520109197925
Measured from: 4.37200003862381
to: 227.575999975204 [s; relative to TRIGTIME]
T50: 90.5199999213219 +/- 55.6082785008254
Measured from: 12.2800000309944
to: 102.799999952316 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 13.4120000004768
to: 14.4120000004768 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.387999951839447
to: 310.464000046253 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 4.696455 5.691067 4.073681 1.036151
0.112395 0.118211 0.104684 0.092327 [error]
Peak 0.362903 0.615514 0.556924 0.132558
0.012749 0.015500 0.015156 0.010266 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 310.852 -0.388 310.464
T90 223.204 4.372 227.576
T50 90.520 12.280 102.800
Peak 1.000 13.412 14.412
====== 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 -1.629 -0.054 0.054 - - - 3.19e-03 -8.63e-05 8.62e-05 60.340 57
CPL -1.608 -0.072 0.130 996.671 -996.661 -996.671 3.26e-03 -1.53e-04 4.31e-04 60.620 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.292 -0.053 0.053 - - - 1.16e-01 -3.46e-03 3.46e-03 47.200 57
CPL -0.917 -0.216 0.227 161.283 -40.411 135.388 1.72e-01 -3.42e-02 4.50e-02 38.170 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 1.42e-06 2.42e-06 3.13e-06 8.17e-06 9.22e-06 1.52e-05 erg/cm2
90%_error_low -7.63e-08 -7.34e-08 -1.11e-07 -6.52e-07 -2.62e-07 -7.15e-07 erg/cm2
90%_error_hi 7.80e-08 7.32e-08 1.11e-07 6.92e-07 2.63e-07 7.46e-07 erg/cm2
Peak flux PL 8.02e-04 9.49e-03 1.54e-01 1.35e+01 4.39e-01 1.35e+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 1.43e-06 2.41e-06 3.12e-06 8.15e-06 9.28e-06 1.59e-05 erg/cm2
90%_error_low N/A N/A -9.79e-08 N/A -1.93e-07 -2.41e-06 erg/cm2
90%_error_hi N/A N/A 1.24e-07 N/A 1.99e-07 -4.04e-07 erg/cm2
Peak flux CPL 3.56e+00 4.55e+00 3.79e+00 3.45e+00 1.36e+01 1.54e+01 ph/cm2/s
90%_error_low -2.93e-01 -1.71e-01 -1.53e-01 -6.26e-01 -4.58e-01 -8.05e-01 ph/cm2/s
90%_error_hi 3.00e-01 1.72e-01 1.55e-01 7.98e-01 4.59e-01 9.29e-01 ph/cm2/s
======================================================================
Special notes of this burst