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: Fri Jul 29 23:38:31 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1042113
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Trigger: 01042113 Segment: 000
BAT Trigger Time: 639708823.296 [s; MET]
Trigger Stop: 639708823.36 [s; MET]
UTC: 2021-04-10T00:53:16.478000 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 269.752937386226 Dec: 45.3707068254686 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.24
Image Trigger?: NO
Rate S/N Ratio: 58.9915248150105 [ if not an image trigger ]
Image S/N Ratio: 7.24
Analysis Position: [ source = BAT ]
RA: 269.752937386226 Dec: 45.3707068254686 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 269.740994496425 Dec: 45.358874981224 [deg; J2000]
{ 17h 58m 57.8s , +45d 21' 31.9" }
+/- 0.739746787136268 [arcmin] (estimated 90% radius based on SNR)
+/- 0.278852168624886 [arcmin] (formal 1-sigma fit error)
SNR: 46.7888682640872
Angular difference between the analysis and refined position is 0.870312 arcmin
Partial Coding Fraction: 0.5546875 [ including projection effects ]
Duration
T90: 52.8759999275208 +/- 4.14596475750822
Measured from: 0.684000015258789
to: 53.5599999427795 [s; relative to TRIGTIME]
T50: 21.0199998617172 +/- 1.57035024751302
Measured from: 4.08000004291534
to: 25.0999999046326 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.73599994182587
to: 2.73599994182587 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.00399994850158691
to: 66.0640000104904 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.588350 2.433746 2.608836 1.084433
0.062638 0.066119 0.062206 0.054314 [error]
Peak 0.063677 0.121140 0.245373 0.118505
0.010664 0.012466 0.014378 0.013476 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 66.068 -0.004 66.064
T90 52.876 0.684 53.560
T50 21.020 4.080 25.100
Peak 1.000 1.736 2.736
====== 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 -1.022 -0.056 0.057 - - - 7.79e-03 -2.30e-04 2.29e-04 64.080 57
CPL -1.021 -0.051 0.063 9999.360 -9999.360 -9999.360 7.84e-03 -2.37e-04 2.12e-04 64.440 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 -0.471 -0.153 0.159 - - - 3.35e-02 -3.06e-03 2.99e-03 50.850 57
CPL -0.462 -0.153 0.162 9999.360 -9999.360 -9999.360 3.38e-02 -2.87e-03 1.69e-02 50.880 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 4.21e-07 1.04e-06 2.04e-06 9.99e-06 5.52e-06 1.35e-05 erg/cm2
90%_error_low -2.81e-08 -4.02e-08 -6.24e-08 -7.48e-07 -1.64e-07 -7.66e-07 erg/cm2
90%_error_hi 2.88e-08 4.00e-08 6.22e-08 7.94e-07 1.64e-07 8.06e-07 erg/cm2
Peak flux PL 7.25e-04 8.34e-03 8.86e-02 6.60e+00 3.80e-01 6.70e+00 ph/cm2/s
90%_error_low -3.61e-04 -3.83e-03 -3.76e-02 -2.17e+00 -1.49e-01 -2.21e+00 ph/cm2/s
90%_error_hi 7.46e-04 7.15e-03 5.90e-02 2.93e+00 2.36e-01 3.00e+00 ph/cm2/s
Fluence CPL 4.20e-07 1.04e-06 2.01e-06 1.00e-05 5.55e-06 1.26e-05 erg/cm2
90%_error_low -2.81e-08 N/A -3.07e-08 N/A -1.92e-07 N/A erg/cm2
90%_error_hi 2.89e-08 N/A 9.40e-08 N/A 1.35e-07 N/A erg/cm2
Peak flux CPL 5.18e-01 9.72e-01 1.40e+00 4.25e+00 3.99e+00 7.21e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A -1.62e+00 ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A 7.51e-01 ph/cm2/s
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