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: Tue Aug 15 14:48:25 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger764204
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Trigger: 00764204 Segment: 000
BAT Trigger Time: 522550144 [s; MET]
Trigger Stop: 522550208 [s; MET]
UTC: 2017-07-24T00:48:44.583880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 150.081345377704 Dec: -1.04756718482438 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.43
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.43
Analysis Position: [ source = BAT ]
RA: 150.081345377704 Dec: -1.04756718482438 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 150.059986745671 Dec: -1.02641211043445 [deg; J2000]
{ 10h 00m 14.4s , -01d 01' 35.1" }
+/- 2.3714513329908 [arcmin] (estimated 90% radius based on SNR)
+/- 0.943849677733481 [arcmin] (formal 1-sigma fit error)
SNR: 8.85898130146444
Angular difference between the analysis and refined position is 1.803575 arcmin
Partial Coding Fraction: 0.5859375 [ including projection effects ]
Duration
T90: 98.9799999594688 +/- 20.7571577896258
Measured from: -39.7680000066757
to: 59.2119999527931 [s; relative to TRIGTIME]
T50: 43.8759999275208 +/- 21.2041981897892
Measured from: 4.90799999237061
to: 48.7839999198914 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 35.9160000085831
to: 36.9160000085831 [s; relative to TRIGTIME]
Total Fluence
Measured from: -45.6439999938011
to: 63.6039999723434 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.492392 0.586664 0.498023 0.195087
0.072252 0.075177 0.065906 0.057768 [error]
Peak 0.025161 0.014238 0.018288 0.012139
0.006775 0.007269 0.006504 0.005588 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 109.248 -45.644 63.604
T90 98.980 -39.768 59.212
T50 43.876 4.908 48.784
Peak 1.000 35.916 36.916
====== 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 -1.466 -0.235 0.232 - - - 1.03e-03 -1.35e-04 1.34e-04 49.590 57
CPL -1.467 -0.233 0.420 9999.360 -9999.360 -9999.360 1.03e-03 -1.03e-03 1.33e-03 49.590 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 -2.431 -1.186 0.839 - - - 2.44e-03 -1.66e-03 1.74e-03 60.650 57
CPL -1.977 N/A N/A 2.980 N/A N/A 4.10e-03 N/A N/A 61.170 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 1.40e-07 2.62e-07 3.79e-07 1.17e-06 1.08e-06 1.95e-06 erg/cm2
90%_error_low -3.01e-08 -3.48e-08 -6.60e-08 -3.87e-07 -1.56e-07 -4.45e-07 erg/cm2
90%_error_hi 3.18e-08 3.44e-08 6.52e-08 5.02e-07 1.58e-07 5.41e-07 erg/cm2
Peak flux PL 2.48e-01 1.45e-01 5.37e-02 2.64e-02 4.60e-01 4.73e-01 ph/cm2/s
90%_error_low -1.09e-01 -7.08e-02 -4.10e-02 -2.64e-02 -1.68e-01 -1.77e-01 ph/cm2/s
90%_error_hi 1.07e-01 6.13e-02 5.81e-02 8.16e-02 1.68e-01 1.84e-01 ph/cm2/s
Fluence CPL 1.41e-07 2.60e-07 3.77e-07 1.23e-06 1.08e-06 1.90e-06 erg/cm2
90%_error_low -3.58e-08 -3.56e-08 -6.88e-08 N/A -1.77e-07 -7.13e-07 erg/cm2
90%_error_hi 3.26e-08 4.20e-08 7.26e-08 N/A 1.66e-07 5.69e-07 erg/cm2
Peak flux CPL 2.28e-01 9.21e-02 2.31e-02 8.44e-03 3.48e-01 3.50e-01 ph/cm2/s
90%_error_low -1.13e-01 -9.21e-02 N/A -8.44e-03 N/A N/A ph/cm2/s
90%_error_hi 1.14e-01 1.06e-01 N/A 8.08e-02 N/A N/A ph/cm2/s
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