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 v2.47
Process Start Time: Mon May 18 14:24:43 EDT 2020
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger963260
======================================================================
Trigger: 00963260 Segment: 000
BAT Trigger Time: 606760772.608 [s; MET]
Trigger Stop: 606760776.704 [s; MET]
UTC: 2020-03-24T16:39:07.954400 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 222.685467928864 Dec: 35.9684973487692 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.81
Image Trigger?: NO
Rate S/N Ratio: 9.8488578017961 [ if not an image trigger ]
Image S/N Ratio: 9.81
Analysis Position: [ source = BAT ]
RA: 222.685467928864 Dec: 35.9684973487692 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 222.661127600395 Dec: 35.9222331826329 [deg; J2000]
{ 14h 50m 38.7s , +35d 55' 20.0" }
+/- 1.44877700451342 [arcmin] (estimated 90% radius based on SNR)
+/- 0.619200117063945 [arcmin] (formal 1-sigma fit error)
SNR: 17.9108490670039
Angular difference between the analysis and refined position is 3.017156 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: N/A
Measured from: N/A
to: N/A [s; relative to TRIGTIME]
T50: N/A
Measured from: N/A
to: N/A [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: N/A
to: N/A [s; relative to TRIGTIME]
Total Fluence
Measured from: N/A
to: N/A [s; relative to TRIGTIME]
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====== 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 -1.683 -0.152 0.148 - - - 1.78e-03 -1.67e-04 1.65e-04 65.440 57
CPL -1.222 -0.523 0.636 76.831 -23.306 -76.831 3.17e-03 -1.48e-03 3.77e-03 63.430 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 N/A N/A N/A - - - N/A N/A N/A N/A N/A
CPL N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
=== 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 3.74e-07 6.14e-07 7.65e-07 1.89e-06 2.28e-06 3.64e-06 erg/cm2
90%_error_low -4.78e-08 -5.16e-08 -9.65e-08 -4.47e-07 -2.26e-07 -5.46e-07 erg/cm2
90%_error_hi 4.91e-08 5.16e-08 9.69e-08 5.33e-07 2.29e-07 6.14e-07 erg/cm2
Peak flux PL N/A N/A N/A N/A N/A N/A ph/cm2/s
Special notes of this burst