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: Mon Oct 13 20:08:17 EDT 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger612804
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Trigger: 00612804 Segment: 000
BAT Trigger Time: 432557040 [s; MET]
Trigger Stop: 432557104 [s; MET]
UTC: 2014-09-16T10:43:47.465980 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 40.4046851109949 Dec: -39.7108825055143 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.87
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.87
Analysis Position: [ source = BAT ]
RA: 40.4046851109949 Dec: -39.7108825055143 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 40.3815347721801 Dec: -39.6916256692869 [deg; J2000]
{ 02h 41m 31.6s , -39d 41' 29.9" }
+/- 2.56848589688681 [arcmin] (estimated 90% radius based on SNR)
+/- 1.37987343624611 [arcmin] (formal 1-sigma fit error)
SNR: 7.9043335401123
Angular difference between the analysis and refined position is 1.573873 arcmin
Partial Coding Fraction: 0.1660156 [ including projection effects ]
Duration
T90: 68.9760000109673 +/- 9.4507904787089
Measured from: 1.24000000953674
to: 70.216000020504 [s; relative to TRIGTIME]
T50: 42.3199999928474 +/- 19.2555081356513
Measured from: 8.77600002288818
to: 51.0960000157356 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.80400002002716
to: 2.80400002002716 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.903999984264374
to: 79.0640000104904 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.815070 1.148108 0.496769 0.005277
0.133564 0.136449 0.118406 0.099243 [error]
Peak 0.048854 0.057685 0.042633 0.018520
0.014775 0.015920 0.013640 0.011282 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 79.968 -0.904 79.064
T90 68.976 1.240 70.216
T50 42.320 8.776 51.096
Peak 1.000 1.804 2.804
====== 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 -2.145 -0.305 0.276 - - - 2.00e-03 -4.02e-04 3.87e-04 60.620 57
CPL -1.129 -1.039 1.772 36.954 -23.673 25.825 7.48e-03 -7.48e-03 7.31e-02 58.580 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 -1.811 -0.540 0.490 - - - 9.80e-03 -3.32e-03 3.20e-03 48.120 57
CPL -0.368 -1.808 4.455 52.920 N/A N/A 5.77e-02 N/A N/A 47.110 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 3.76e-07 4.68e-07 4.23e-07 6.65e-07 1.50e-06 1.93e-06 erg/cm2
90%_error_low -7.81e-08 -7.22e-08 -1.12e-07 -2.92e-07 -2.62e-07 -4.43e-07 erg/cm2
90%_error_hi 8.15e-08 7.20e-08 1.15e-07 4.05e-07 2.68e-07 5.22e-07 erg/cm2
Peak flux PL 5.44e-01 4.56e-01 2.60e-01 2.20e-01 1.36e+00 1.48e+00 ph/cm2/s
90%_error_low -2.35e-01 -1.42e-01 -1.08e-01 -1.36e-01 -4.20e-01 -4.50e-01 ph/cm2/s
90%_error_hi 2.61e-01 1.41e-01 1.07e-01 2.15e-01 4.22e-01 4.50e-01 ph/cm2/s
Fluence CPL 3.38e-07 5.25e-07 4.16e-07 1.69e-07 1.40e-06 1.45e-06 erg/cm2
90%_error_low -9.27e-08 -9.17e-08 -1.43e-07 -1.45e-07 -2.75e-07 -3.20e-07 erg/cm2
90%_error_hi 9.33e-08 1.06e-07 1.31e-07 6.73e-07 2.90e-07 7.50e-07 erg/cm2
Peak flux CPL 4.42e-01 5.31e-01 2.82e-01 6.03e-02 1.30e+00 1.32e+00 ph/cm2/s
90%_error_low N/A -2.80e-01 N/A -6.03e-02 -4.38e-01 -4.48e-01 ph/cm2/s
90%_error_hi N/A 2.05e-01 N/A 2.22e-01 4.34e-01 5.17e-01 ph/cm2/s
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