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: Fri Jul 22 13:33:55 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger702699
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Trigger: 00702699 Segment: 000
BAT Trigger Time: 489240621.632 [s; MET]
Trigger Stop: 489240622.656 [s; MET]
UTC: 2016-07-03T12:10:05.126360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 287.392582646627 Dec: 36.9010907591217 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.8
Image Trigger?: NO
Rate S/N Ratio: 49.3254498205541 [ if not an image trigger ]
Image S/N Ratio: 12.8
Analysis Position: [ source = BAT ]
RA: 287.392582646627 Dec: 36.9010907591217 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 287.413721588951 Dec: 36.9121334888191 [deg; J2000]
{ 19h 09m 39.3s , +36d 54' 43.7" }
+/- 0.811119137826953 [arcmin] (estimated 90% radius based on SNR)
+/- 0.249603914118526 [arcmin] (formal 1-sigma fit error)
SNR: 41.0201697915523
Angular difference between the analysis and refined position is 1.211427 arcmin
Partial Coding Fraction: 0.84375 [ including projection effects ]
Duration
T90: 45.0079999566078 +/- 3.0240237791644
Measured from: -8.37200003862381
to: 36.635999917984 [s; relative to TRIGTIME]
T50: 20.4159999489784 +/- 0.391795859607358
Measured from: 6.66799998283386
to: 27.0839999318123 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 26.6439999938011
to: 27.6439999938011 [s; relative to TRIGTIME]
Total Fluence
Measured from: -26.4280000329018
to: 53.3039999604225 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.470494 4.866242 4.174813 1.166372
0.058119 0.062698 0.056546 0.044999 [error]
Peak 0.193367 0.269787 0.196482 0.046893
0.008619 0.009664 0.008442 0.005500 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 79.732 -26.428 53.304
T90 45.008 -8.372 36.636
T50 20.416 6.668 27.084
Peak 1.000 26.644 27.644
====== 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 -1.328 -0.035 0.035 - - - 1.15e-02 -2.08e-04 2.08e-04 39.360 57
CPL -1.325 -0.034 0.037 9999.360 -9999.360 -9999.360 1.15e-02 -1.92e-04 9.17e-04 39.470 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 -1.495 -0.076 0.075 - - - 4.56e-02 -1.93e-03 1.93e-03 69.700 57
CPL -1.286 -0.241 0.289 181.401 -76.096 -181.401 5.75e-02 -1.29e-02 2.10e-02 68.010 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 9.93e-07 2.03e-06 3.23e-06 1.15e-05 8.97e-06 1.77e-05 erg/cm2
90%_error_low -4.05e-08 -4.76e-08 -6.42e-08 -5.51e-07 -1.63e-07 -5.68e-07 erg/cm2
90%_error_hi 4.13e-08 4.76e-08 6.40e-08 5.70e-07 1.63e-07 5.84e-07 erg/cm2
Peak flux PL 1.87e+00 1.89e+00 1.34e+00 1.51e+00 5.69e+00 6.61e+00 ph/cm2/s
90%_error_low -1.42e-01 -8.77e-02 -7.02e-02 -1.60e-01 -2.48e-01 -2.77e-01 ph/cm2/s
90%_error_hi 1.46e-01 8.73e-02 6.99e-02 1.72e-01 2.48e-01 2.78e-01 ph/cm2/s
Fluence CPL 9.92e-07 2.03e-06 3.23e-06 1.14e-05 8.97e-06 1.85e-05 erg/cm2
90%_error_low N/A -4.76e-08 N/A N/A -1.63e-07 N/A erg/cm2
90%_error_hi N/A 4.76e-08 N/A N/A 1.59e-07 N/A erg/cm2
Peak flux CPL 1.79e+00 1.92e+00 1.37e+00 1.21e+00 5.63e+00 6.28e+00 ph/cm2/s
90%_error_low -1.75e-01 -9.58e-02 -7.90e-02 -3.07e-01 -2.61e-01 -4.21e-01 ph/cm2/s
90%_error_hi 1.79e-01 9.69e-02 8.00e-02 3.18e-01 2.61e-01 4.90e-01 ph/cm2/s
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