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: Wed Jul 22 21:58:28 EDT 2020
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger980210
======================================================================
Trigger: 00980210 Segment: 000
BAT Trigger Time: 615174599.68 [s; MET]
Trigger Stop: 615174600.704 [s; MET]
UTC: 2020-06-30T01:49:34.479260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 91.379712975187 Dec: -60.7892931093061 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.07
Image Trigger?: NO
Rate S/N Ratio: 15.2643375224737 [ if not an image trigger ]
Image S/N Ratio: 9.07
Analysis Position: [ source = BAT ]
RA: 91.379712975187 Dec: -60.7892931093061 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 91.3775633191694 Dec: -60.7778529870176 [deg; J2000]
{ 06h 05m 30.6s , -60d 46' 40.3" }
+/- 1.7353114236228 [arcmin] (estimated 90% radius based on SNR)
+/- 0.656819639894147 [arcmin] (formal 1-sigma fit error)
SNR: 13.8404633259607
Angular difference between the analysis and refined position is 0.689288 arcmin
Partial Coding Fraction: 0.703125 [ including projection effects ]
Duration
T90: 14.8439998626709 +/- 2.78756657779575
Measured from: -0.247999906539917
to: 14.595999956131 [s; relative to TRIGTIME]
T50: 5.78799998760223 +/- 3.76132955911355
Measured from: 0.812000036239624
to: 6.60000002384186 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.0640000104904175
to: 1.06400001049042 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.51199996471405
to: 16.6360000371933 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.255174 0.287314 0.175387 0.100633
0.032341 0.033640 0.029699 0.027808 [error]
Peak 0.038670 0.067342 0.046702 0.021192
0.008658 0.009195 0.008361 0.007174 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 17.148 -0.512 16.636
T90 14.844 -0.248 14.596
T50 5.788 0.812 6.600
Peak 1.000 0.064 1.064
====== 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 -1.636 -0.238 0.231 - - - 2.91e-03 -4.06e-04 3.95e-04 38.550 57
CPL -1.647 -0.228 0.277 9999.360 -9999.350 -9999.360 2.90e-03 -1.41e-03 2.58e-03 38.560 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 -1.260 -0.277 0.284 - - - 1.14e-02 -1.75e-03 1.74e-03 43.250 57
CPL -1.268 -1.028 0.517 9999.360 N/A N/A 1.14e-02 N/A N/A 43.270 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 7.25e-08 1.23e-07 1.58e-07 4.09e-07 4.65e-07 7.62e-07 erg/cm2
90%_error_low -1.41e-08 -1.51e-08 -3.00e-08 -1.42e-07 -6.91e-08 -1.72e-07 erg/cm2
90%_error_hi 1.46e-08 1.51e-08 3.01e-08 1.88e-07 7.05e-08 2.10e-07 erg/cm2
Peak flux PL 3.74e-01 4.34e-01 3.63e-01 5.11e-01 1.35e+00 1.68e+00 ph/cm2/s
90%_error_low -1.06e-01 -7.74e-02 -6.77e-02 -1.78e-01 -2.11e-01 -2.69e-01 ph/cm2/s
90%_error_hi 1.14e-01 7.52e-02 6.62e-02 2.33e-01 2.12e-01 2.76e-01 ph/cm2/s
Fluence CPL 7.38e-08 1.20e-07 1.57e-07 4.52e-07 4.70e-07 7.55e-07 erg/cm2
90%_error_low -1.96e-08 -9.49e-09 -3.71e-08 -2.97e-07 -9.49e-08 -2.56e-07 erg/cm2
90%_error_hi 1.79e-08 2.41e-08 3.88e-08 4.20e-08 8.73e-08 1.41e-07 erg/cm2
Peak flux CPL 3.74e-01 4.34e-01 3.63e-01 5.08e-01 1.36e+00 1.69e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A -2.84e-01 -3.48e-01 ph/cm2/s
90%_error_hi N/A N/A N/A N/A 2.65e-01 2.38e-01 ph/cm2/s
======================================================================
Special notes of this burst