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: Sun Dec 14 17:27:30 EST 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger620090
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Trigger: 00620090 Segment: 000
BAT Trigger Time: 439081868.928 [s; MET]
Trigger Stop: 439081873.024 [s; MET]
UTC: 2014-11-30T23:10:56.070920 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 222.814459238838 Dec: 47.2999559433812 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.77
Image Trigger?: NO
Rate S/N Ratio: 10.0498756211209 [ if not an image trigger ]
Image S/N Ratio: 9.77
Analysis Position: [ source = BAT ]
RA: 222.814459238838 Dec: 47.2999559433812 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 222.799359288083 Dec: 47.3223068429346 [deg; J2000]
{ 14h 51m 11.8s , +47d 19' 20.3" }
+/- 1.36365609949332 [arcmin] (estimated 90% radius based on SNR)
+/- 0.537108931395711 [arcmin] (formal 1-sigma fit error)
SNR: 19.5291286591665
Angular difference between the analysis and refined position is 1.475048 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 62.8559999465942 +/- 11.3720388524948
Measured from: -38.9359999895096
to: 23.9199999570847 [s; relative to TRIGTIME]
T50: 26.5519999265671 +/- 2.8045049509388
Measured from: -24.3079999685287
to: 2.24399995803833 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -4.68799996376038
to: -3.68799996376038 [s; relative to TRIGTIME]
Total Fluence
Measured from: -42.7479999661446
to: 40.0160000324249 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.300561 1.774785 1.209570 0.193915
0.065368 0.068272 0.059076 0.049623 [error]
Peak 0.029550 0.067962 0.049943 0.010128
0.007543 0.008134 0.006842 0.005751 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 82.764 -42.748 40.016
T90 62.856 -38.936 23.920
T50 26.552 -24.308 2.244
Peak 1.000 -4.688 -3.688
====== 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 -1.562 -0.083 0.083 - - - 3.57e-03 -1.66e-04 1.66e-04 60.740 57
CPL -1.295 -0.300 0.350 129.045 -47.664 -129.045 4.89e-03 -1.40e-03 2.44e-03 58.780 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 -1.398 -0.235 0.234 - - - 9.94e-03 -1.49e-03 1.48e-03 60.300 57
CPL 0.186 -1.098 1.422 68.534 -14.027 45.120 6.26e-02 -6.26e-02 2.44e-01 53.670 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 3.99e-07 7.07e-07 9.58e-07 2.67e-06 2.77e-06 4.74e-06 erg/cm2
90%_error_low -3.15e-08 -3.38e-08 -5.89e-08 -3.40e-07 -1.40e-07 -3.87e-07 erg/cm2
90%_error_hi 3.23e-08 3.37e-08 5.88e-08 3.73e-07 1.41e-07 4.14e-07 erg/cm2
Peak flux PL 3.71e-01 3.97e-01 3.01e-01 3.72e-01 1.21e+00 1.44e+00 ph/cm2/s
90%_error_low -8.73e-02 -6.27e-02 -5.44e-02 -1.18e-01 -1.80e-01 -2.18e-01 ph/cm2/s
90%_error_hi 9.30e-02 6.22e-02 5.41e-02 1.47e-01 1.80e-01 2.21e-01 ph/cm2/s
Fluence CPL 3.82e-07 7.26e-07 9.68e-07 1.75e-06 2.71e-06 3.82e-06 erg/cm2
90%_error_low -3.74e-08 -4.08e-08 -6.17e-08 -6.72e-07 -1.63e-07 -6.88e-07 erg/cm2
90%_error_hi 3.79e-08 4.15e-08 6.24e-08 1.03e-06 1.63e-07 1.06e-06 erg/cm2
Peak flux CPL 2.79e-01 4.55e-01 3.36e-01 9.64e-02 1.15e+00 1.17e+00 ph/cm2/s
90%_error_low -1.03e-01 -7.87e-02 -6.62e-02 -6.05e-02 -1.85e-01 -1.96e-01 ph/cm2/s
90%_error_hi 1.10e-01 8.19e-02 6.72e-02 1.36e-01 1.86e-01 2.14e-01 ph/cm2/s
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