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 v2.48
Process Start Time: Sat Jul 30 00:26:23 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1017711
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Trigger: 01017711 Segment: 000
BAT Trigger Time: 632717676.152 [s; MET]
Trigger Stop: 632717676.184 [s; MET]
UTC: 2021-01-19T02:54:09.797180 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 282.804265797649 Dec: -61.8007488114657 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.02
Image Trigger?: NO
Rate S/N Ratio: 49.3659801887899 [ if not an image trigger ]
Image S/N Ratio: 12.02
Analysis Position: [ source = BAT ]
RA: 282.804265797649 Dec: -61.8007488114657 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 282.822328933751 Dec: -61.7665733995358 [deg; J2000]
{ 18h 51m 17.4s , -61d 45' 59.7" }
+/- 1.50176461218237 [arcmin] (estimated 90% radius based on SNR)
+/- 0.48372823800027 [arcmin] (formal 1-sigma fit error)
SNR: 17.0149234487392
Angular difference between the analysis and refined position is 2.113581 arcmin
Partial Coding Fraction: 0.9296875 [ including projection effects ]
Duration
T90: 0.0640000104904175 +/- 0.020396072630595
Measured from: 0
to: 0.0640000104904175 [s; relative to TRIGTIME]
T50: 0.0279999971389771 +/- 0.00800001621246338
Measured from: 0.00800001621246338
to: 0.0360000133514404 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.45799994468689
to: 0.54200005531311 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0
to: 0.0800000429153442 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.021271 0.042316 0.046166 0.012320
0.003576 0.004342 0.004291 0.002927 [error]
Peak 0.017522 0.046319 0.040518 0.010518
0.008715 0.008343 0.007470 0.005823 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.080 0.000 0.080
T90 0.064 0.000 0.064
T50 0.028 0.008 0.036
Peak 1.000 -0.458 0.542
====== 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: 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 -1.264 -0.169 0.169 - - - 8.75e-02 -9.88e-03 9.88e-03 94.430 57
CPL 0.062 -0.815 1.011 83.491 -16.543 48.904 3.80e-01 -2.22e-01 7.25e-01 85.890 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 -1.203 -0.344 0.355 - - - 7.82e-03 -1.60e-03 1.59e-03 53.770 57
CPL -0.273 -1.179 2.028 101.588 -39.712 -101.588 2.11e-02 -2.11e-02 1.50e-01 52.560 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 7.17e-09 1.52e-08 2.53e-08 9.60e-08 6.98e-08 1.44e-07 erg/cm2
90%_error_low -1.30e-09 -1.86e-09 -3.39e-09 -2.39e-08 -8.62e-09 -2.70e-08 erg/cm2
90%_error_hi 1.36e-09 1.84e-09 3.36e-09 2.81e-08 8.66e-09 3.04e-08 erg/cm2
Peak flux PL 2.42e-01 2.91e-01 2.53e-01 3.76e-01 9.18e-01 1.16e+00 ph/cm2/s
90%_error_low -8.91e-02 -7.20e-02 -5.80e-02 -1.53e-01 -1.95e-01 -2.42e-01 ph/cm2/s
90%_error_hi 1.02e-01 7.04e-02 5.71e-02 2.08e-01 1.96e-01 2.48e-01 ph/cm2/s
Fluence CPL 5.57e-09 1.74e-08 2.91e-08 2.49e-08 6.71e-08 7.70e-08 erg/cm2
90%_error_low -1.60e-09 -2.36e-09 -4.30e-09 -1.29e-08 -9.13e-09 -1.53e-08 erg/cm2
90%_error_hi 1.65e-09 2.44e-09 4.43e-09 2.79e-08 9.12e-09 2.73e-08 erg/cm2
Peak flux CPL 1.94e-01 3.08e-01 2.77e-01 1.67e-01 8.81e-01 9.46e-01 ph/cm2/s
90%_error_low -1.05e-01 -8.11e-02 -6.93e-02 -1.67e-01 -2.03e-01 -2.48e-01 ph/cm2/s
90%_error_hi 1.23e-01 8.39e-02 7.29e-02 2.78e-01 2.04e-01 3.60e-01 ph/cm2/s
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