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 22:54:54 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1059460
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Trigger: 01059460 Segment: 000
BAT Trigger Time: 647403964.416 [s; MET]
Trigger Stop: 647403965.44 [s; MET]
UTC: 2021-07-08T02:25:37.084880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 173.699151561178 Dec: -49.1867314058096 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.82
Image Trigger?: NO
Rate S/N Ratio: 8.42614977317636 [ if not an image trigger ]
Image S/N Ratio: 6.82
Analysis Position: [ source = BAT ]
RA: 173.699151561178 Dec: -49.1867314058096 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 173.759670081897 Dec: -49.1655101334572 [deg; J2000]
{ 11h 35m 02.3s , -49d 09' 55.8" }
+/- 2.14186972714787 [arcmin] (estimated 90% radius based on SNR)
+/- 1.20709619267709 [arcmin] (formal 1-sigma fit error)
SNR: 10.2460595633761
Angular difference between the analysis and refined position is 2.693715 arcmin
Partial Coding Fraction: 0.9453125 [ including projection effects ]
Duration
T90: 2.77199995517731 +/- 0.700048576666753
Measured from: -0.48800003528595
to: 2.28399991989136 [s; relative to TRIGTIME]
T50: 1.1399998664856 +/- 0.568014068147241
Measured from: 0.340000033378601
to: 1.4799998998642 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.144000053405762
to: 0.855999946594238 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.687999963760376
to: 2.43999993801117 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.072801 0.113607 0.027765 0.011133
0.012956 0.013376 0.010784 0.009311 [error]
Peak 0.028943 0.057250 0.019812 0.006511
0.007319 0.007720 0.006289 0.005332 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 3.128 -0.688 2.440
T90 2.772 -0.488 2.284
T50 1.140 0.340 1.480
Peak 1.000 -0.144 0.856
====== 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 -2.050 -0.303 0.276 - - - 3.62e-03 -8.12e-04 7.97e-04 60.530 57
CPL 2.131 -2.228 5.274 34.566 -4.360 5.599 1.66e+00 -1.66e+00 4.46e+03 47.700 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 -1.852 -0.342 0.313 - - - 5.91e-03 -1.43e-03 1.39e-03 81.530 57
CPL 1.669 -2.252 5.515 40.868 -6.618 10.910 7.32e-01 -7.32e-01 1.77e+03 73.060 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 2.43e-08 3.20e-08 3.09e-08 5.32e-08 1.05e-07 1.40e-07 erg/cm2
90%_error_low -5.05e-09 -5.60e-09 -8.84e-09 -2.42e-08 -2.14e-08 -3.72e-08 erg/cm2
90%_error_hi 5.15e-09 5.56e-09 9.37e-09 3.47e-08 2.23e-08 4.55e-08 erg/cm2
Peak flux PL 3.41e-01 2.79e-01 1.55e-01 1.26e-01 8.31e-01 9.01e-01 ph/cm2/s
90%_error_low -9.02e-02 -5.60e-02 -4.63e-02 -5.89e-02 -1.67e-01 -1.84e-01 ph/cm2/s
90%_error_hi 9.43e-02 5.60e-02 4.75e-02 8.24e-02 1.67e-01 1.86e-01 ph/cm2/s
Fluence CPL 2.06e-08 4.74e-08 1.32e-08 1.30e-10 8.14e-08 8.14e-08 erg/cm2
90%_error_low -6.14e-09 -9.36e-09 -9.26e-09 -1.30e-10 -1.58e-08 -1.58e-08 erg/cm2
90%_error_hi 6.07e-09 9.43e-09 1.46e-08 3.38e-09 1.84e-08 1.84e-08 erg/cm2
Peak flux CPL 2.50e-01 4.07e-01 1.19e-01 2.60e-03 7.78e-01 7.79e-01 ph/cm2/s
90%_error_low -1.11e-01 -9.83e-02 -1.19e-01 -2.60e-03 -1.67e-01 -1.67e-01 ph/cm2/s
90%_error_hi 1.14e-01 1.05e-01 7.44e-02 3.06e-02 1.68e-01 1.68e-01 ph/cm2/s
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