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: Mon Oct 24 00:30:44 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1072990
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Trigger: 01072990 Segment: 000
BAT Trigger Time: 653137299.264 [s; MET]
Trigger Stop: 653137299.776 [s; MET]
UTC: 2021-09-12T11:01:11.549600 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 129.768773811578 Dec: 79.1940996457089 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.29
Image Trigger?: NO
Rate S/N Ratio: 15.8429795177549 [ if not an image trigger ]
Image S/N Ratio: 7.29
Analysis Position: [ source = BAT ]
RA: 129.768773811578 Dec: 79.1940996457089 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 129.872933703937 Dec: 79.2186019874407 [deg; J2000]
{ 08h 39m 29.5s , +79d 13' 07.0" }
+/- 1.21388932001449 [arcmin] (estimated 90% radius based on SNR)
+/- 0.43769455888611 [arcmin] (formal 1-sigma fit error)
SNR: 23.0601716934487
Angular difference between the analysis and refined position is 1.879120 arcmin
Partial Coding Fraction: 1.03125 [ including projection effects ]
Duration
T90: 20.6959999799728 +/- 3.60535157017626
Measured from: -14.8000000715256
to: 5.89599990844727 [s; relative to TRIGTIME]
T50: 6.93999993801117 +/- 2.26649068239638
Measured from: -4.48800003528595
to: 2.45199990272522 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.21999990940094
to: 1.21999990940094 [s; relative to TRIGTIME]
Total Fluence
Measured from: -19.3600000143051
to: 7.10399997234344 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.442177 0.689354 0.452738 0.099385
0.035136 0.037011 0.032812 0.028930 [error]
Peak 0.049324 0.106541 0.054929 0.017654
0.007673 0.008471 0.007351 0.006310 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 26.464 -19.360 7.104
T90 20.696 -14.800 5.896
T50 6.940 -4.488 2.452
Peak 1.000 0.220 1.220
====== 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 -1.477 -0.114 0.113 - - - 3.99e-03 -2.70e-04 2.69e-04 63.730 57
CPL -0.737 -0.487 0.553 82.522 -17.480 64.465 9.63e-03 -4.15e-03 8.73e-03 56.590 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 -1.403 -0.169 0.168 - - - 1.37e-02 -1.54e-03 1.53e-03 74.590 57
CPL 0.755 -1.015 1.347 56.613 -8.437 15.018 2.11e-01 -2.11e-01 9.93e-01 57.700 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 1.32e-07 2.46e-07 3.54e-07 1.08e-06 1.01e-06 1.81e-06 erg/cm2
90%_error_low -1.42e-08 -1.66e-08 -3.13e-08 -1.90e-07 -7.53e-08 -2.17e-07 erg/cm2
90%_error_hi 1.46e-08 1.65e-08 3.13e-08 2.16e-07 7.61e-08 2.39e-07 erg/cm2
Peak flux PL 5.12e-01 5.46e-01 4.13e-01 5.08e-01 1.66e+00 1.98e+00 ph/cm2/s
90%_error_low -8.61e-02 -6.22e-02 -5.66e-02 -1.23e-01 -1.82e-01 -2.25e-01 ph/cm2/s
90%_error_hi 8.95e-02 6.20e-02 5.65e-02 1.46e-01 1.82e-01 2.28e-01 ph/cm2/s
Fluence CPL 1.18e-07 2.65e-07 3.63e-07 3.79e-07 9.41e-07 1.13e-06 erg/cm2
90%_error_low -1.70e-08 -2.09e-08 -3.47e-08 -1.72e-07 -8.57e-08 -1.91e-07 erg/cm2
90%_error_hi 1.72e-08 2.15e-08 3.48e-08 3.44e-07 8.68e-08 3.47e-07 erg/cm2
Peak flux CPL 3.95e-01 6.87e-01 4.24e-01 6.45e-02 1.56e+00 1.57e+00 ph/cm2/s
90%_error_low -9.87e-02 -9.12e-02 -8.31e-02 N/A -1.85e-01 -1.89e-01 ph/cm2/s
90%_error_hi 1.03e-01 9.70e-02 7.53e-02 N/A 1.86e-01 1.96e-01 ph/cm2/s
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