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 GROUND-DETECTED GRB DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Tue Mar 7 14:50:11 EST 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/ground_detect_bursts/scripts
======================================================================
Trigger: 00736108 Segment: 000
BAT Trigger Time: 507597313.6
UTC: 2017-01-31T23:14:55.054 [includes UTCF correction]
Where From?: Ground analysis (best_duration.txt)
NOTE: BAT trigger time for ground-detected burst is the T100 start time.
Analysis Position: [ source = GCN ]
RA: 341.447 Dec: 64.006 [deg; J2000]
Refined Position: [ source = BAT pre-slew image ]
RA: 341.346810486 Dec: 64.0450862333 [deg; J2000]
{ 22h 45m 23.2s , +64d 02' 42.3" }
+/- 4.29394887133 [arcmin] (estimated 90% radius based on SNR)
SNR: 3.79397055799
Angular difference between the analysis and refined position is 3.525831 arcmin
Partial Coding Fraction: 0.09277344 [ including projection effects ]
Duration
T90: 22.3999999761581 +/- 1.6
Measured from: 0
to: 22.4 [s; relative to TRIGTIME]
T50: 12.8000000715256 +/- 1.6
Measured from: 4.8
to: 17.6 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 22.400 0.000 22.400
T90 22.400 0.000 22.400
T50 12.800 4.800 17.600
Peak 1.000 19.500 20.500
====== 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 -1.255 -0.248 0.255 - - - 1.27e-02 -1.84e-03 1.84e-03 39.860 57
CPL -0.988 -0.499 1.124 214.376 -214.376 -214.376 1.69e-02 -5.78e-03 3.49e-02 39.630 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 -1.597 -0.615 0.560 - - - 1.52e-02 -5.27e-03 5.03e-03 75.860 57
CPL -1.594 -0.677 1.368 9998.910 -9998.910 -9998.910 1.53e-02 -1.53e-02 1.32e-01 75.860 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 7.76e-08 1.66e-07 2.78e-07 1.06e-06 7.64e-07 1.58e-06 erg/cm2
90%_error_low -2.10e-08 -2.87e-08 -4.62e-08 -3.45e-07 -1.16e-07 -3.79e-07 erg/cm2
90%_error_hi 2.29e-08 2.80e-08 4.54e-08 4.45e-07 1.17e-07 4.60e-07 erg/cm2
Peak flux PL 6.88e-01 6.53e-01 4.32e-01 4.44e-01 1.95e+00 2.22e+00 ph/cm2/s
90%_error_low -3.38e-01 -2.22e-01 -1.88e-01 -2.92e-01 -6.33e-01 -7.10e-01 ph/cm2/s
90%_error_hi 3.86e-01 2.16e-01 1.79e-01 4.78e-01 6.34e-01 7.15e-01 ph/cm2/s
Fluence CPL 7.29e-08 1.69e-07 2.86e-07 7.53e-07 7.56e-07 1.28e-06 erg/cm2
90%_error_low -2.63e-08 -3.07e-08 -5.24e-08 -5.03e-07 -1.22e-07 -5.14e-07 erg/cm2
90%_error_hi 2.65e-08 3.20e-08 5.60e-08 5.93e-07 1.20e-07 5.09e-07 erg/cm2
Peak flux CPL 7.10e-01 6.37e-01 4.23e-01 4.42e-01 1.96e+00 2.30e+00 ph/cm2/s
90%_error_low -7.10e-01 -2.32e-01 N/A N/A -7.11e-01 -1.02e+00 ph/cm2/s
90%_error_hi 4.23e-01 3.94e-01 N/A N/A 6.92e-01 7.50e-01 ph/cm2/s
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Special notes of this burst