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 v2.46
Process Start Time: Sun Mar 13 22:04:06 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger667392
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Trigger: 00667392 Segment: 000
BAT Trigger Time: 471841304.512 [s; MET]
Trigger Stop: 471841305.024 [s; MET]
UTC: 2015-12-15T03:01:28.957040 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 93.5948780255951 Dec: 35.5094452220509 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.38
Image Trigger?: NO
Rate S/N Ratio: 13.4164078649987 [ if not an image trigger ]
Image S/N Ratio: 8.38
Analysis Position: [ source = BAT ]
RA: 93.5948780255951 Dec: 35.5094452220509 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 93.6220121456678 Dec: 35.5311972156442 [deg; J2000]
{ 06h 14m 29.3s , +35d 31' 52.3" }
+/- 2.7617075848905 [arcmin] (estimated 90% radius based on SNR)
+/- 1.23891785382886 [arcmin] (formal 1-sigma fit error)
SNR: 7.12630709045457
Angular difference between the analysis and refined position is 1.859888 arcmin
Partial Coding Fraction: 0.515625 [ including projection effects ]
Duration
T90: 17.8479999899864 +/- 1.01371396706698
Measured from: -15.0800000429153
to: 2.76799994707108 [s; relative to TRIGTIME]
T50: 13.4359999895096 +/- 12.6524377315551
Measured from: -12.7880000472069
to: 0.647999942302704 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.164000034332275
to: 0.835999965667725 [s; relative to TRIGTIME]
Total Fluence
Measured from: -15.460000038147
to: 3.12799996137619 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.234536 0.215552 0.108779 0.021743
0.035345 0.036595 0.031921 0.026498 [error]
Peak 0.037885 0.087559 0.067219 0.008438
0.008981 0.009913 0.009055 0.006769 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 18.588 -15.460 3.128
T90 17.848 -15.080 2.768
T50 13.436 -12.788 0.648
Peak 1.000 -0.164 0.836
====== 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 -1.990 -0.344 0.312 - - - 1.80e-03 -4.27e-04 4.14e-04 70.280 57
CPL -1.095 -1.090 2.055 39.093 N/A N/A 6.32e-03 N/A N/A 68.950 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 -1.427 -0.218 0.215 - - - 1.29e-02 -1.92e-03 1.91e-03 66.710 57
CPL 0.452 -1.074 1.399 65.239 -11.341 24.403 1.16e-01 -1.16e-01 4.40e-01 56.330 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 6.77e-08 9.25e-08 9.32e-08 1.70e-07 3.08e-07 4.24e-07 erg/cm2
90%_error_low -1.59e-08 -1.70e-08 -2.87e-08 -8.36e-08 -6.75e-08 -1.23e-07 erg/cm2
90%_error_hi 1.63e-08 1.69e-08 3.01e-08 1.25e-07 7.02e-08 1.55e-07 erg/cm2
Peak flux PL 4.97e-01 5.22e-01 3.88e-01 4.67e-01 1.59e+00 1.87e+00 ph/cm2/s
90%_error_low -1.10e-01 -8.01e-02 -6.85e-02 -1.41e-01 -2.32e-01 -2.78e-01 ph/cm2/s
90%_error_hi 1.16e-01 7.97e-02 6.81e-02 1.71e-01 2.33e-01 2.81e-01 ph/cm2/s
Fluence CPL 6.50e-08 1.04e-07 8.50e-08 3.63e-08 2.79e-07 2.90e-07 erg/cm2
90%_error_low -1.72e-08 -2.30e-08 -4.40e-08 N/A -7.25e-08 N/A erg/cm2
90%_error_hi 1.72e-08 2.50e-08 3.57e-08 N/A 8.16e-08 N/A erg/cm2
Peak flux CPL 3.60e-01 6.26e-01 4.55e-01 1.09e-01 1.53e+00 1.55e+00 ph/cm2/s
90%_error_low -1.28e-01 -1.04e-01 -8.82e-02 N/A -2.34e-01 -2.44e-01 ph/cm2/s
90%_error_hi 1.37e-01 1.08e-01 8.95e-02 N/A 2.35e-01 2.53e-01 ph/cm2/s
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