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 v2.46
Process Start Time: Tue Jul 30 17:51:12 EDT 2019
Host Name: bat3
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger912310
======================================================================
Trigger: 00912310 Segment: 000
BAT Trigger Time: 583667144 [s; MET]
Trigger Stop: 583667208 [s; MET]
UTC: 2019-07-01T09:45:20.833660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 28.0627118270664 Dec: 58.9063378051181 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.19
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.19
Analysis Position: [ source = BAT ]
RA: 28.0627118270664 Dec: 58.9063378051181 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 28.1312176098513 Dec: 58.8991373797762 [deg; J2000]
{ 01h 52m 31.5s , +58d 53' 56.9" }
+/- 2.38853371059077 [arcmin] (estimated 90% radius based on SNR)
+/- 1.37181431067582 [arcmin] (formal 1-sigma fit error)
SNR: 8.76860892657775
Angular difference between the analysis and refined position is 2.166476 arcmin
Partial Coding Fraction: 0.5234375 [ including projection effects ]
Duration
T90: 52.432000041008 +/- 4.0175614563681
Measured from: 35.9119999408722
to: 88.3439999818802 [s; relative to TRIGTIME]
T50: 43.3120000362396 +/- 31.9806100860231
Measured from: 39.4479999542236
to: 82.7599999904633 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 37.9160000085831
to: 38.9160000085831 [s; relative to TRIGTIME]
Total Fluence
Measured from: 35.0160000324249
to: 89.9919999837875 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.540434 0.586785 0.373185 -0.049720
0.074872 0.076066 0.065561 0.057532 [error]
Peak 0.038172 0.067429 0.026761 0.004603
0.011351 0.011835 0.009959 0.008012 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 54.976 35.016 89.992
T90 52.432 35.912 88.344
T50 43.312 39.448 82.760
Peak 1.000 37.916 38.916
====== 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: 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 -1.904 -0.280 0.261 - - - 1.71e-03 -3.02e-04 2.92e-04 59.310 57
CPL -1.793 -0.605 1.098 81.670 -81.655 -81.670 1.98e-03 -1.98e-03 6.13e-03 59.270 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 -1.753 -0.425 0.406 - - - 8.66e-03 -2.34e-03 2.27e-03 48.650 57
CPL -1.093 -1.296 4.685 57.021 N/A N/A 2.11e-02 N/A N/A 48.280 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 1.76e-07 2.53e-07 2.70e-07 5.35e-07 8.64e-07 1.23e-06 erg/cm2
90%_error_low -3.58e-08 -3.57e-08 -6.41e-08 -2.18e-07 -1.47e-07 -2.94e-07 erg/cm2
90%_error_hi 3.70e-08 3.57e-08 6.51e-08 3.00e-07 1.50e-07 3.57e-07 erg/cm2
Peak flux PL 4.55e-01 3.94e-01 2.34e-01 2.08e-01 1.17e+00 1.29e+00 ph/cm2/s
90%_error_low -1.58e-01 -9.48e-02 -7.91e-02 -1.11e-01 -2.81e-01 -3.10e-01 ph/cm2/s
90%_error_hi 1.68e-01 9.44e-02 7.99e-02 1.68e-01 2.81e-01 3.11e-01 ph/cm2/s
Fluence CPL 1.74e-07 2.56e-07 2.70e-07 4.34e-07 8.55e-07 1.13e-06 erg/cm2
90%_error_low -3.99e-08 -3.88e-08 -6.45e-08 -3.51e-07 -1.64e-07 -4.06e-07 erg/cm2
90%_error_hi 3.92e-08 4.78e-08 6.66e-08 1.50e-07 1.42e-07 2.96e-07 erg/cm2
Peak flux CPL 4.31e-01 4.31e-01 2.31e-01 8.11e-02 1.15e+00 1.17e+00 ph/cm2/s
90%_error_low -1.82e-01 -1.24e-01 N/A -8.11e-02 -2.99e-01 -3.24e-01 ph/cm2/s
90%_error_hi 1.80e-01 1.81e-01 N/A 1.66e-01 2.90e-01 3.30e-01 ph/cm2/s
======================================================================