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 14:59:11 EDT 2020
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger950330
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Trigger: 00950330 Segment: 000
BAT Trigger Time: 601350084.672 [s; MET]
Trigger Stop: 601350085.184 [s; MET]
UTC: 2020-01-22T01:41:00.369360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 209.981071360137 Dec: 27.5655722784293 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.46
Image Trigger?: NO
Rate S/N Ratio: 20.0997512422418 [ if not an image trigger ]
Image S/N Ratio: 11.46
Analysis Position: [ source = BAT ]
RA: 209.981071360137 Dec: 27.5655722784293 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 210.011650510127 Dec: 27.5474091429259 [deg; J2000]
{ 14h 00m 02.8s , +27d 32' 50.7" }
+/- 0.641947341924366 [arcmin] (estimated 90% radius based on SNR)
+/- 0.205608609553126 [arcmin] (formal 1-sigma fit error)
SNR: 57.2953306502242
Angular difference between the analysis and refined position is 1.957929 arcmin
Partial Coding Fraction: 0.78125 [ including projection effects ]
Duration
T90: 190.595999956131 +/- 4.51451347
Measured from: 1.88399994373322
to: 192.479999899864 [s; relative to TRIGTIME]
T50: 18.7999999523163 +/- 1.13329958254393
Measured from: 8.7279999256134
to: 27.5279998779297 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 10.1799999475479
to: 11.1799999475479 [s; relative to TRIGTIME]
Total Fluence
Measured from: -8.82000005245209
to: 229.075999975204 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 5.488153 6.752031 4.933901 1.181403
0.114260 0.119561 0.104084 0.086199 [error]
Peak 0.220643 0.385478 0.405462 0.119006
0.012488 0.015301 0.015030 0.010682 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 237.896 -8.820 229.076
T90 190.596 1.884 192.480
T50 18.800 8.728 27.528
Peak 1.000 10.180 11.180
====== 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 -1.608 -0.046 0.046 - - - 5.04e-03 -1.17e-04 1.17e-04 43.310 57
CPL -1.533 -0.101 0.184 345.794 -345.794 -345.794 5.44e-03 -4.97e-04 1.12e-03 42.810 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 -1.138 -0.071 0.072 - - - 7.82e-02 -3.23e-03 3.23e-03 44.730 57
CPL -0.772 -0.287 0.307 190.276 -61.599 427.094 1.15e-01 -2.91e-02 4.17e-02 39.940 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 1.69e-06 2.91e-06 3.82e-06 1.02e-05 1.12e-05 1.86e-05 erg/cm2
90%_error_low -8.11e-08 -7.98e-08 -1.12e-07 -6.80e-07 -2.70e-07 -7.35e-07 erg/cm2
90%_error_hi 8.29e-08 7.96e-08 1.12e-07 7.13e-07 2.71e-07 7.60e-07 erg/cm2
Peak flux PL 6.00e-04 9.12e-03 1.06e-01 9.21e+00 4.77e-01 9.24e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 1.66e-06 2.92e-06 3.84e-06 9.21e-06 1.11e-05 1.76e-05 erg/cm2
90%_error_low -1.09e-07 -8.37e-08 -1.23e-07 -1.94e-06 -3.06e-07 -1.97e-06 erg/cm2
90%_error_hi 8.59e-08 8.40e-08 1.24e-07 1.72e-06 3.05e-07 1.24e-06 erg/cm2
Peak flux CPL 2.08e+00 2.91e+00 2.70e+00 2.86e+00 8.97e+00 1.05e+01 ph/cm2/s
90%_error_low -2.34e-01 -1.55e-01 -1.49e-01 -6.70e-01 -4.02e-01 -7.93e-01 ph/cm2/s
90%_error_hi 2.40e-01 1.56e-01 1.51e-01 9.32e-01 4.03e-01 9.97e-01 ph/cm2/s
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