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: Thu Jun 19 21:15:52 EDT 2025
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1297832
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Trigger: 01297832 Segment: 000
BAT Trigger Time: 764352408.128 [s; MET]
Trigger Stop: 764352408.192 [s; MET]
UTC: 2025-03-22T16:06:12.837500 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 106.733611936176 Dec: 7.19908023351788 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.28
Image Trigger?: NO
Rate S/N Ratio: 41.3158565202272 [ if not an image trigger ]
Image S/N Ratio: 7.28
Analysis Position: [ source = BAT ]
RA: 106.733611936176 Dec: 7.19908023351788 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 106.775539989494 Dec: 7.19660382166839 [deg; J2000]
{ 07h 07m 06.1s , +07d 11' 47.8" }
+/- 1.54442573564378 [arcmin] (estimated 90% radius based on SNR)
+/- 0.529151035928399 [arcmin] (formal 1-sigma fit error)
SNR: 16.3474942923766
Angular difference between the analysis and refined position is 2.500277 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 0.623999953269958 +/- 0.0486620812716356
Measured from: 0.00399994850158691
to: 0.627999901771545 [s; relative to TRIGTIME]
T50: 0.360000014305115 +/- 0.0481664313780741
Measured from: 0.059999942779541
to: 0.419999957084656 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.162000060081482
to: 0.837999939918518 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0
to: 0.671999931335449 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.021371 0.064002 0.069808 0.033601
0.005656 0.006921 0.006516 0.005409 [error]
Peak 0.024670 0.063499 0.072305 0.035072
0.006609 0.007862 0.007158 0.005865 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.672 0.000 0.672
T90 0.624 0.004 0.628
T50 0.360 0.060 0.420
Peak 1.000 -0.162 0.838
====== 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 -0.651 -0.181 0.193 - - - 1.74e-02 -2.03e-03 2.00e-03 74.850 57
CPL -0.016 -0.700 0.911 183.400 -75.583 -183.400 3.30e-02 -1.64e-02 4.58e-02 72.780 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
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 -0.613 -0.199 0.215 - - - 1.21e-02 -1.57e-03 1.53e-03 68.250 57
CPL -0.212 -0.517 0.953 268.465 -268.465 -268.465 1.80e-02 -7.03e-03 2.55e-02 67.530 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 6.78e-09 2.11e-08 5.36e-08 3.90e-07 1.46e-07 4.72e-07 erg/cm2
90%_error_low -1.57e-09 -3.11e-09 -5.85e-09 -8.95e-08 -1.64e-08 -9.23e-08 erg/cm2
90%_error_hi 1.71e-09 3.06e-09 5.83e-09 1.09e-07 1.64e-08 1.10e-07 erg/cm2
Peak flux PL 2.15e-01 3.68e-01 4.81e-01 1.28e+00 1.41e+00 2.34e+00 ph/cm2/s
90%_error_low -5.65e-02 -6.33e-02 -5.40e-02 -2.87e-01 -1.66e-01 -3.08e-01 ph/cm2/s
90%_error_hi 6.27e-02 6.26e-02 5.39e-02 3.47e-01 1.67e-01 3.33e-01 ph/cm2/s
Fluence CPL 5.77e-09 2.20e-08 5.77e-08 1.77e-07 1.42e-07 2.63e-07 erg/cm2
90%_error_low -1.87e-09 -3.46e-09 -7.47e-09 -9.96e-08 -1.80e-08 -9.86e-08 erg/cm2
90%_error_hi 2.04e-09 3.56e-09 7.60e-09 2.46e-07 1.75e-08 2.05e-07 erg/cm2
Peak flux CPL 1.92e-01 3.75e-01 5.07e-01 8.58e-01 1.40e+00 1.93e+00 ph/cm2/s
90%_error_low -6.88e-02 -6.71e-02 -7.01e-02 -4.39e-01 -1.68e-01 -4.65e-01 ph/cm2/s
90%_error_hi 7.59e-02 6.82e-02 7.39e-02 5.27e-01 1.69e-01 5.71e-01 ph/cm2/s
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