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: Sat Jan 11 22:40:30 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger575707
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Trigger: 00575707 Segment: 000
BAT Trigger Time: 404310392 [s; MET]
Trigger Stop: 404310456 [s; MET]
UTC: 2013-10-24T12:26:20.810860 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 290.4635354555 Dec: -64.6025301330274 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.5
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.5
Analysis Position: [ source = BAT ]
RA: 290.4635354555 Dec: -64.6025301330274 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 290.543133345152 Dec: -64.600337499205 [deg; J2000]
{ 19h 22m 10.4s , -64d 36' 01.2" }
+/- 2.02864175216739 [arcmin] (estimated 90% radius based on SNR)
+/- 0.940369747907372 [arcmin] (formal 1-sigma fit error)
SNR: 11.0727012009984
Angular difference between the analysis and refined position is 2.052652 arcmin
Partial Coding Fraction: 0.7890625 [ including projection effects ]
Duration
T90: 112 +/- 35.7770876399966
Measured from: -111
to: 1 [s; relative to TRIGTIME]
T50: 64 +/- 16
Measured from: -79
to: -15 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -55.5
to: -54.5 [s; relative to TRIGTIME]
Total Fluence
Measured from: -111
to: 17 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.707696 0.905778 0.485687 0.081794
0.076199 0.073545 0.062543 0.055162 [error]
Peak 0.000625 0.020909 0.008247 -0.001232
0.005697 0.005550 0.004716 0.004007 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 128.000 -111.000 17.000
T90 112.000 -111.000 1.000
T50 64.000 -79.000 -15.000
Peak 1.000 -55.500 -54.500
====== 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 -1.842 -0.184 0.177 - - - 1.03e-03 -1.18e-04 1.16e-04 53.700 57
CPL -1.436 -0.697 0.857 59.202 -21.644 -59.202 1.75e-03 -8.09e-04 3.67e-03 52.750 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 -1.175 -0.703 0.807 - - - 2.13e-03 -1.00e-03 9.98e-04 60.440 57
CPL 2.053 -1.278 -2.053 56.812 -21.958 12.856 1.09e-01 -1.09e-01 4.86e+04 57.850 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 2.32e-07 3.46e-07 3.86e-07 8.14e-07 1.21e-06 1.78e-06 erg/cm2
90%_error_low -3.34e-08 -3.34e-08 -6.00e-08 -2.31e-07 -1.38e-07 -2.96e-07 erg/cm2
90%_error_hi 3.43e-08 3.34e-08 6.08e-08 2.87e-07 1.41e-07 3.40e-07 erg/cm2
Peak flux PL 6.37e-02 7.81e-02 6.96e-02 1.07e-01 2.49e-01 3.18e-01 ph/cm2/s
90%_error_low -4.44e-02 -4.24e-02 -3.55e-02 -1.07e-01 -1.17e-01 -1.52e-01 ph/cm2/s
90%_error_hi 5.84e-02 4.21e-02 3.55e-02 1.49e-01 1.21e-01 1.61e-01 ph/cm2/s
Fluence CPL 2.23e-07 3.63e-07 3.81e-07 3.92e-07 1.15e-06 1.36e-06 erg/cm2
90%_error_low -3.72e-08 -4.38e-08 -6.92e-08 -2.76e-07 -1.67e-07 -3.32e-07 erg/cm2
90%_error_hi 3.74e-08 4.65e-08 6.50e-08 4.96e-07 1.70e-07 5.47e-07 erg/cm2
Peak flux CPL 2.31e-02 1.64e-01 2.56e-02 1.03e-05 1.98e-01 1.98e-01 ph/cm2/s
90%_error_low -2.31e-02 -7.58e-02 -2.56e-02 -1.03e-05 -7.25e-02 -7.24e-02 ph/cm2/s
90%_error_hi 4.58e-02 5.85e-02 7.38e-02 2.32e-02 1.03e-01 1.03e-01 ph/cm2/s
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