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 Jun 24 01:28:37 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger240766
======================================================================
Trigger: 00240766 Segment: 000
BAT Trigger Time: 186223678.016 [s; MET]
Trigger Stop: 186223679.04 [s; MET]
UTC: 2006-11-26T08:47:56.420860 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 86.6247167166277 Dec: 64.1900414481625 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.76
Image Trigger?: NO
Rate S/N Ratio: 24.6170672501823 [ if not an image trigger ]
Image S/N Ratio: 8.76
Analysis Position: [ source = BAT ]
RA: 86.6247167166277 Dec: 64.1900414481625 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 86.6170343148871 Dec: 64.2052348257638 [deg; J2000]
{ 05h 46m 28.1s , +64d 12' 18.8" }
+/- 0.701287795139724 [arcmin] (estimated 90% radius based on SNR)
+/- 0.172785523399791 [arcmin] (formal 1-sigma fit error)
SNR: 50.4971130999758
Angular difference between the analysis and refined position is 0.933420 arcmin
Partial Coding Fraction: 0.4921875 [ including projection effects ]
Duration
T90: 52.6240000128746 +/- 10.7603732051911
Measured from: -0.967999994754791
to: 51.6560000181198 [s; relative to TRIGTIME]
T50: 14.8560000061989 +/- 0.451220573564801
Measured from: 6
to: 20.8560000061989 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 6.66400000452995
to: 7.66400000452995 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.20800000429153
to: 90.2159999907017 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.075817 3.142490 3.173302 1.054855
0.070256 0.074947 0.069718 0.059509 [error]
Peak 0.191699 0.388346 0.476143 0.200387
0.010648 0.013647 0.014977 0.013114 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 95.424 -5.208 90.216
T90 52.624 -0.968 51.656
T50 14.856 6.000 20.856
Peak 1.000 6.664 7.664
====== 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 -1.231 -0.050 0.050 - - - 6.93e-03 -1.84e-04 1.84e-04 49.900 57
CPL -1.167 -0.085 0.176 718.068 -718.068 -718.068 7.38e-03 -8.98e-04 1.28e-03 50.000 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 -0.885 -0.066 0.066 - - - 8.50e-02 -3.17e-03 3.16e-03 83.700 57
CPL -0.764 -0.148 0.260 609.595 -609.595 -609.595 9.59e-02 -7.38e-03 2.70e-02 83.010 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 6.57e-07 1.42e-06 2.43e-06 9.52e-06 6.65e-06 1.40e-05 erg/cm2
90%_error_low -3.75e-08 -4.76e-08 -7.12e-08 -6.52e-07 -1.81e-07 -6.80e-07 erg/cm2
90%_error_hi 3.84e-08 4.74e-08 7.10e-08 6.86e-07 1.81e-07 7.08e-07 erg/cm2
Peak flux PL 3.28e-04 9.20e-03 1.03e-01 9.92e+00 4.61e-01 9.92e+00 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 6.56e-07 1.43e-06 2.43e-06 9.59e-06 6.64e-06 1.34e-05 erg/cm2
90%_error_low -5.85e-08 -4.93e-08 -8.04e-08 -2.50e-06 -1.93e-07 -1.79e-06 erg/cm2
90%_error_hi 3.08e-08 4.93e-08 9.00e-08 3.08e-07 1.83e-07 6.38e-07 erg/cm2
Peak flux CPL N/A N/A N/A N/A N/A N/A 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
======================================================================
Special notes of this burst