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 00:37:05 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1015088
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Trigger: 01015088 Segment: 000
BAT Trigger Time: 630932397.184 [s; MET]
Trigger Stop: 630932401.28 [s; MET]
UTC: 2020-12-29T10:59:30.947160 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 210.707706522396 Dec: 48.1973283679248 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.78
Image Trigger?: NO
Rate S/N Ratio: 12.6885775404495 [ if not an image trigger ]
Image S/N Ratio: 8.78
Analysis Position: [ source = BAT ]
RA: 210.707706522396 Dec: 48.1973283679248 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 210.692022884813 Dec: 48.2091696160309 [deg; J2000]
{ 14h 02m 46.1s , +48d 12' 33.0" }
+/- 2.61351471855472 [arcmin] (estimated 90% radius based on SNR)
+/- 1.26163925377268 [arcmin] (formal 1-sigma fit error)
SNR: 7.71050346658863
Angular difference between the analysis and refined position is 0.947696 arcmin
Partial Coding Fraction: 0.2617188 [ including projection effects ]
Duration
T90: 53.2479999065399 +/- 4.61344127077464
Measured from: -42.960000038147
to: 10.2879998683929 [s; relative to TRIGTIME]
T50: 40.5119998455048 +/- 35.5541745186382
Measured from: -36.8799999952316
to: 3.63199985027313 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.411999940872192
to: 1.41199994087219 [s; relative to TRIGTIME]
Total Fluence
Measured from: -44.432000041008
to: 13.6159999370575 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.368714 0.777766 0.521816 0.183706
0.106331 0.111057 0.100104 0.093639 [error]
Peak 0.037525 0.079524 0.078475 0.026171
0.015444 0.015872 0.014934 0.012853 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 58.048 -44.432 13.616
T90 53.248 -42.960 10.288
T50 40.512 -36.880 3.632
Peak 1.000 0.412 1.412
====== 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 -1.398 -0.287 0.290 - - - 2.24e-03 -3.96e-04 3.95e-04 56.150 57
CPL -0.140 -1.300 1.895 73.902 -20.607 -73.902 9.61e-03 -9.61e-03 7.13e-02 53.470 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 -1.291 -0.373 0.384 - - - 1.42e-02 -3.19e-03 3.18e-03 68.180 57
CPL -0.636 -0.913 2.303 116.556 -116.556 -116.556 2.85e-02 -1.71e-02 2.55e-01 67.760 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 1.51e-07 2.96e-07 4.49e-07 1.48e-06 1.26e-06 2.38e-06 erg/cm2
90%_error_low -4.39e-08 -5.67e-08 -9.65e-08 -5.74e-07 -2.39e-07 -6.65e-07 erg/cm2
90%_error_hi 4.76e-08 5.59e-08 9.57e-08 7.80e-07 2.42e-07 8.31e-07 erg/cm2
Peak flux PL 4.79e-01 5.47e-01 4.47e-01 6.11e-01 1.70e+00 2.08e+00 ph/cm2/s
90%_error_low -1.91e-01 -1.49e-01 -1.12e-01 -2.66e-01 -4.02e-01 -4.67e-01 ph/cm2/s
90%_error_hi 2.20e-01 1.45e-01 1.09e-01 3.61e-01 4.05e-01 4.70e-01 ph/cm2/s
Fluence CPL 1.22e-07 3.34e-07 4.81e-07 3.44e-07 1.15e-06 1.28e-06 erg/cm2
90%_error_low -5.26e-08 -7.12e-08 -1.15e-07 -2.65e-07 -2.59e-07 -3.69e-07 erg/cm2
90%_error_hi 5.62e-08 7.59e-08 1.15e-07 1.24e-06 2.68e-07 1.22e-06 erg/cm2
Peak flux CPL 4.10e-01 5.71e-01 4.84e-01 3.45e-01 1.65e+00 1.81e+00 ph/cm2/s
90%_error_low -2.40e-01 -1.63e-01 -1.35e-01 -3.45e-01 -4.10e-01 -5.29e-01 ph/cm2/s
90%_error_hi 2.71e-01 1.70e-01 1.52e-01 3.61e-01 4.19e-01 5.40e-01 ph/cm2/s
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