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 v2.47
Process Start Time: Mon May 18 14:28:51 EDT 2020
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger959917
======================================================================
Trigger: 00959917 Segment: 000
BAT Trigger Time: 605146804.736 [s; MET]
Trigger Stop: 605146805.76 [s; MET]
UTC: 2020-03-06T00:19:40.187060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 101.148811669039 Dec: -62.013026745735 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.74
Image Trigger?: NO
Rate S/N Ratio: 18.8414436814168 [ if not an image trigger ]
Image S/N Ratio: 9.74
Analysis Position: [ source = BAT ]
RA: 101.148811669039 Dec: -62.013026745735 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 101.113280670331 Dec: -62.0098538497666 [deg; J2000]
{ 06h 44m 27.2s , -62d 00' 35.5" }
+/- 0.625662759378318 [arcmin] (estimated 90% radius based on SNR)
+/- 0.173415088697049 [arcmin] (formal 1-sigma fit error)
SNR: 59.437536418324
Angular difference between the analysis and refined position is 1.018423 arcmin
Partial Coding Fraction: 0.75 [ including projection effects ]
Duration
T90: 32.9639999866486 +/- 1.10926278881364
Measured from: 3.32000005245209
to: 36.2840000391006 [s; relative to TRIGTIME]
T50: 13.0119999647141 +/- 0.308933642302145
Measured from: 13.1000000238419
to: 26.1119999885559 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 20.0600000619888
to: 21.0600000619888 [s; relative to TRIGTIME]
Total Fluence
Measured from: -3.67199993133545
to: 49.9520000219345 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 4.550567 6.648848 4.704234 0.886392
0.062574 0.068956 0.060818 0.046516 [error]
Peak 0.206769 0.320929 0.258770 0.043138
0.010713 0.012547 0.011301 0.007522 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 53.624 -3.672 49.952
T90 32.964 3.320 36.284
T50 13.012 13.100 26.112
Peak 1.000 20.060 21.060
====== 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: CPL)
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 -1.694 -0.031 0.031 - - - 2.10e-02 -3.60e-04 3.60e-04 90.130 57
CPL -1.066 -0.143 0.147 83.460 -6.133 8.838 4.01e-02 -5.33e-03 6.35e-03 28.250 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: CPL)
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 -1.517 -0.074 0.074 - - - 5.60e-02 -2.54e-03 2.54e-03 57.050 57
CPL -0.688 -0.328 0.354 81.865 -11.004 21.157 1.43e-01 -4.35e-02 6.86e-02 36.350 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 1.73e-06 2.82e-06 3.49e-06 8.52e-06 1.04e-05 1.66e-05 erg/cm2
90%_error_low -5.97e-08 -5.78e-08 -6.99e-08 -3.80e-07 -1.80e-07 -4.15e-07 erg/cm2
90%_error_hi 6.05e-08 5.77e-08 6.98e-08 3.91e-07 1.79e-07 4.23e-07 erg/cm2
Peak flux PL 2.34e+00 2.33e+00 1.63e+00 1.80e+00 7.02e+00 8.11e+00 ph/cm2/s
90%_error_low -1.78e-01 -1.13e-01 -9.01e-02 -1.93e-01 -3.24e-01 -3.64e-01 ph/cm2/s
90%_error_hi 1.82e-01 1.13e-01 8.97e-02 2.06e-01 3.25e-01 3.65e-01 ph/cm2/s
Fluence CPL 1.46e-06 2.90e-06 3.68e-06 4.36e-06 1.01e-05 1.24e-05 erg/cm2
90%_error_low -7.75e-08 -6.27e-08 -8.31e-08 -5.45e-07 -1.97e-07 -5.78e-07 erg/cm2
90%_error_hi 7.90e-08 6.28e-08 8.34e-08 6.43e-07 1.97e-07 6.66e-07 erg/cm2
Peak flux CPL 1.99e+00 2.50e+00 1.76e+00 8.44e-01 6.79e+00 7.09e+00 ph/cm2/s
90%_error_low -2.17e-01 -1.34e-01 -1.07e-01 -2.08e-01 -3.36e-01 -4.03e-01 ph/cm2/s
90%_error_hi 2.21e-01 1.36e-01 1.08e-01 2.76e-01 3.36e-01 4.29e-01 ph/cm2/s
======================================================================
Special notes of this burst