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: Sun Dec 4 22:29:22 EST 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger720568
======================================================================
Trigger: 00720568 Segment: 000
BAT Trigger Time: 499945363.984 [s; MET]
Trigger Stop: 499945364.048 [s; MET]
UTC: 2016-11-04T09:42:26.875480 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 77.8806169009489 Dec: -51.4523657373836 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.2
Image Trigger?: NO
Rate S/N Ratio: 27.258026340878 [ if not an image trigger ]
Image S/N Ratio: 9.2
Analysis Position: [ source = BAT ]
RA: 77.8806169009489 Dec: -51.4523657373836 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 77.9030526857047 Dec: -51.4487398548717 [deg; J2000]
{ 05h 11m 36.7s , -51d 26' 55.5" }
+/- 1.78147768819737 [arcmin] (estimated 90% radius based on SNR)
+/- 0.898964149695442 [arcmin] (formal 1-sigma fit error)
SNR: 13.330937232487
Angular difference between the analysis and refined position is 0.866655 arcmin
Partial Coding Fraction: 0.9921875 [ including projection effects ]
Duration
T90: 0.0999999642372131 +/- 0.0178885267601734
Measured from: -0.0120000243186951
to: 0.0879999399185181 [s; relative to TRIGTIME]
T50: 0.043999969959259 +/- 0.0178885267601734
Measured from: 0.0119999647140503
to: 0.0559999346733093 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.456000030040741
to: 0.543999969959259 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0160000324249268
to: 0.0999999642372131 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.012951 0.024277 0.022909 0.007942
0.002427 0.002906 0.002901 0.001998 [error]
Peak 0.017723 0.028626 0.021330 0.005245
0.005477 0.006068 0.005267 0.004294 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.116 -0.016 0.100
T90 0.100 -0.012 0.088
T50 0.044 0.012 0.056
Peak 1.000 -0.456 0.544
====== 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 -1.135 -0.220 0.220 - - - 3.54e-02 -4.59e-03 4.59e-03 60.260 57
CPL -0.938 -0.553 0.922 297.134 -297.134 -297.134 4.39e-02 -1.92e-02 7.00e-02 60.080 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 -1.294 -0.393 0.396 - - - 4.92e-03 -1.10e-03 1.09e-03 57.900 57
CPL -1.182 -2.607 1.534 369.151 -369.151 -369.151 5.61e-03 -1.76e-03 2.51e-02 57.940 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 3.73e-09 8.57e-09 1.56e-08 6.77e-08 4.25e-08 9.56e-08 erg/cm2
90%_error_low -8.45e-10 -1.24e-09 -2.49e-09 -2.09e-08 -6.31e-09 -2.30e-08 erg/cm2
90%_error_hi 8.96e-10 1.22e-09 2.45e-09 2.62e-08 6.36e-09 2.75e-08 erg/cm2
Peak flux PL 1.66e-01 1.89e-01 1.54e-01 2.10e-01 5.86e-01 7.20e-01 ph/cm2/s
90%_error_low -6.22e-02 -4.65e-02 -4.28e-02 -1.00e-01 -1.30e-01 -1.66e-01 ph/cm2/s
90%_error_hi 6.87e-02 4.52e-02 4.17e-02 1.45e-01 1.30e-01 1.73e-01 ph/cm2/s
Fluence CPL 3.58e-09 8.75e-09 1.60e-08 5.13e-08 4.21e-08 7.96e-08 erg/cm2
90%_error_low -1.04e-09 -1.36e-09 -2.77e-09 -3.32e-08 -6.55e-09 -3.36e-08 erg/cm2
90%_error_hi 1.01e-09 1.45e-09 2.95e-09 2.20e-08 6.50e-09 3.52e-08 erg/cm2
Peak flux CPL 1.67e-01 1.88e-01 1.54e-01 2.19e-01 5.87e-01 7.31e-01 ph/cm2/s
90%_error_low -7.48e-02 -4.62e-02 -4.26e-02 N/A -1.34e-01 -2.47e-01 ph/cm2/s
90%_error_hi 3.81e-02 5.52e-02 4.89e-02 N/A 1.30e-01 1.53e-01 ph/cm2/s
======================================================================
Special notes of this burst