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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.48
Process Start Time: Sat Jul 30 00:33:33 EDT 2022
Host Name: batproc1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger1015873
======================================================================
Trigger: 01015873 Segment: 000
BAT Trigger Time: 631452445.376 [s; MET]
Trigger Stop: 631452445.888 [s; MET]
UTC: 2021-01-04T11:26:59.104760 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 103.704701121309 Dec: 64.6607065720299 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.4
Image Trigger?: NO
Rate S/N Ratio: 23.388031127053 [ if not an image trigger ]
Image S/N Ratio: 11.4
Analysis Position: [ source = BAT ]
RA: 103.704701121309 Dec: 64.6607065720299 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 103.77102106007 Dec: 64.6746938879883 [deg; J2000]
{ 06h 55m 05.0s , +64d 40' 28.9" }
+/- 0.66896971439859 [arcmin] (estimated 90% radius based on SNR)
+/- 0.21774536466174 [arcmin] (formal 1-sigma fit error)
SNR: 54.0179038341353
Angular difference between the analysis and refined position is 1.898173 arcmin
Partial Coding Fraction: 0.828125 [ including projection effects ]
Duration
T90: 32.0479999780655 +/- 0.489391480672351
Measured from: 1.5161999464035
to: 33.564199924469 [s; relative to TRIGTIME]
T50: 17.107999920845 +/- 1.35256790447588
Measured from: 11.2802000045776
to: 28.3881999254227 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 26.7761999368668
to: 27.7761999368668 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.999800086021423
to: 45.4041999578476 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.979764 5.345473 3.878844 0.979050
0.057771 0.062505 0.054751 0.040509 [error]
Peak 0.351266 0.570670 0.445298 0.113072
0.012533 0.014831 0.014078 0.008936 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 46.404 -1.000 45.404
T90 32.048 1.516 33.564
T50 17.108 11.280 28.388
Peak 1.000 26.776 27.776
====== 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 -1.531 -0.035 0.035 - - - 1.97e-02 -3.53e-04 3.52e-04 41.150 57
CPL -1.455 -0.104 0.142 413.608 -413.608 -413.608 2.13e-02 -2.03e-03 3.14e-03 40.280 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 -1.362 -0.058 0.058 - - - 9.69e-02 -3.11e-03 3.11e-03 60.760 57
CPL -1.047 -0.229 0.241 164.371 -48.724 266.660 1.36e-01 -2.91e-02 3.94e-02 55.170 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 1.20e-06 2.17e-06 3.00e-06 8.64e-06 8.63e-06 1.50e-05 erg/cm2
90%_error_low -4.67e-08 -4.84e-08 -6.25e-08 -4.22e-07 -1.56e-07 -4.44e-07 erg/cm2
90%_error_hi 4.75e-08 4.83e-08 6.23e-08 4.37e-07 1.56e-07 4.56e-07 erg/cm2
Peak flux PL 3.49e+00 3.81e+00 2.97e+00 3.80e+00 1.17e+01 1.41e+01 ph/cm2/s
90%_error_low -2.12e-01 -1.41e-01 -1.15e-01 -3.04e-01 -3.91e-01 -4.60e-01 ph/cm2/s
90%_error_hi 2.17e-01 1.40e-01 1.14e-01 3.20e-01 3.91e-01 4.61e-01 ph/cm2/s
Fluence CPL 1.18e-06 2.17e-06 3.02e-06 7.85e-06 8.59e-06 1.42e-05 erg/cm2
90%_error_low -6.42e-08 -4.96e-08 -6.55e-08 -1.23e-06 -1.73e-07 -1.24e-06 erg/cm2
90%_error_hi 5.60e-08 4.97e-08 7.28e-08 8.89e-07 1.63e-07 9.40e-07 erg/cm2
Peak flux CPL 3.24e+00 3.89e+00 3.07e+00 2.74e+00 1.15e+01 1.29e+01 ph/cm2/s
90%_error_low -2.69e-01 -1.54e-01 -1.35e-01 -5.61e-01 -4.14e-01 -7.24e-01 ph/cm2/s
90%_error_hi 2.75e-01 1.55e-01 1.36e-01 7.35e-01 4.14e-01 8.50e-01 ph/cm2/s
======================================================================