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: Mon Jan 26 10:54:33 EST 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger623368
======================================================================
Trigger: 00623368 Segment: 000
BAT Trigger Time: 442008152 [s; MET]
Trigger Stop: 442008216 [s; MET]
UTC: 2015-01-03T20:02:18.996300 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 131.639444320183 Dec: -48.8904166081603 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.36
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 10.36
Analysis Position: [ source = BAT ]
RA: 131.639444320183 Dec: -48.8904166081603 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 131.674629550024 Dec: -48.8959299935529 [deg; J2000]
{ 08h 46m 41.9s , -48d 53' 45.3" }
+/- 2.04400974050566 [arcmin] (estimated 90% radius based on SNR)
+/- 0.673770831603855 [arcmin] (formal 1-sigma fit error)
SNR: 10.9539635832532
Angular difference between the analysis and refined position is 1.426860 arcmin
Partial Coding Fraction: 0.671875 [ including projection effects ]
Duration
T90: 49.0879999995232 +/- 9.80709947303509
Measured from: 10.6000000238419
to: 59.688000023365 [s; relative to TRIGTIME]
T50: 21.8880000114441 +/- 6.18287702713734
Measured from: 24.0400000214577
to: 45.9280000329018 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 26.3240000009537
to: 27.3240000009537 [s; relative to TRIGTIME]
Total Fluence
Measured from: 6.05599999427795
to: 64.6800000071526 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.427388 0.694458 0.431790 0.007791
0.061332 0.062491 0.052902 0.045711 [error]
Peak 0.029518 0.025162 0.008190 0.004967
0.008221 0.008289 0.006887 0.006067 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 58.624 6.056 64.680
T90 49.088 10.600 59.688
T50 21.888 24.040 45.928
Peak 1.000 26.324 27.324
====== 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 -1.605 -0.178 0.175 - - - 1.74e-03 -2.06e-04 2.04e-04 66.370 57
CPL 0.032 -0.891 1.123 54.238 -8.448 17.225 1.43e-02 -1.43e-02 4.66e-02 54.690 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 -2.147 -0.681 0.536 - - - 3.18e-03 -1.54e-03 1.52e-03 50.870 57
CPL 1.103 -2.711 -1.103 35.012 N/A N/A 3.51e-01 N/A N/A 46.490 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 1.44e-07 2.48e-07 3.26e-07 8.71e-07 9.53e-07 1.59e-06 erg/cm2
90%_error_low -2.33e-08 -2.75e-08 -4.95e-08 -2.39e-07 -1.20e-07 -2.93e-07 erg/cm2
90%_error_hi 2.40e-08 2.75e-08 4.98e-08 2.93e-07 1.22e-07 3.35e-07 erg/cm2
Peak flux PL 2.45e-01 1.68e-01 7.53e-02 4.72e-02 5.12e-01 5.36e-01 ph/cm2/s
90%_error_low -1.03e-01 -6.38e-02 -4.23e-02 -4.72e-02 -1.87e-01 -1.98e-01 ph/cm2/s
90%_error_hi 1.08e-01 6.33e-02 4.86e-02 6.76e-02 1.87e-01 2.01e-01 ph/cm2/s
Fluence CPL 1.22e-07 3.00e-07 3.17e-07 1.10e-07 8.25e-07 8.49e-07 erg/cm2
90%_error_low -2.69e-08 -3.91e-08 -6.72e-08 -7.39e-08 -1.22e-07 -1.41e-07 erg/cm2
90%_error_hi 2.73e-08 4.09e-08 6.25e-08 1.83e-07 1.33e-07 2.12e-07 erg/cm2
Peak flux CPL 2.13e-01 2.51e-01 5.45e-02 9.54e-04 5.20e-01 5.20e-01 ph/cm2/s
90%_error_low -1.16e-01 -9.42e-02 -5.45e-02 -9.54e-04 -1.78e-01 -1.78e-01 ph/cm2/s
90%_error_hi 1.21e-01 9.96e-02 6.66e-02 2.61e-02 1.80e-01 1.80e-01 ph/cm2/s
======================================================================