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 Jan 12 23:18:04 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger539563
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Trigger: 00539563 Segment: 000
BAT Trigger Time: 375525157.184 [s; MET]
Trigger Stop: 375525157.696 [s; MET]
UTC: 2012-11-25T08:32:27.271500 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 228.520506554365 Dec: 55.3218658361602 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.04
Image Trigger?: NO
Rate S/N Ratio: 10.4880884817015 [ if not an image trigger ]
Image S/N Ratio: 7.04
Analysis Position: [ source = BAT ]
RA: 228.520506554365 Dec: 55.3218658361602 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 228.528958553756 Dec: 55.3183571178776 [deg; J2000]
{ 15h 14m 07.0s , +55d 19' 06.1" }
+/- 1.15028944977118 [arcmin] (estimated 90% radius based on SNR)
+/- 0.41714150916382 [arcmin] (formal 1-sigma fit error)
SNR: 24.9029640747749
Angular difference between the analysis and refined position is 0.357182 arcmin
Partial Coding Fraction: 0.8046875 [ including projection effects ]
Duration
T90: 52.2519999742508 +/- 5.0375203728785
Measured from: 0.391999959945679
to: 52.6439999341965 [s; relative to TRIGTIME]
T50: 24.6279999613762 +/- 1.30270487078746
Measured from: 13.0239999890327
to: 37.6519999504089 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 36.555999994278
to: 37.555999994278 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.85199999809265
to: 79.9639999866486 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.191378 2.725663 2.129134 0.447805
0.059244 0.062497 0.056905 0.053036 [error]
Peak 0.095050 0.114691 0.113336 0.035023
0.007048 0.007842 0.007613 0.006213 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 86.816 -6.852 79.964
T90 52.252 0.392 52.644
T50 24.628 13.024 37.652
Peak 1.000 36.556 37.556
====== 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 -1.504 -0.057 0.057 - - - 5.59e-03 -1.59e-04 1.59e-04 48.330 57
CPL -1.469 -0.087 0.188 822.820 -822.820 -822.820 5.80e-03 -3.55e-04 1.23e-03 48.390 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 -1.314 -0.129 0.129 - - - 2.24e-02 -1.55e-03 1.54e-03 60.520 57
CPL -1.310 -0.130 0.225 9999.360 -9999.360 -9999.360 2.25e-02 -5.58e-03 7.00e-03 60.550 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 6.22e-07 1.14e-06 1.61e-06 4.76e-06 4.60e-06 8.14e-06 erg/cm2
90%_error_low -3.56e-08 -3.69e-08 -5.99e-08 -4.02e-07 -1.42e-07 -4.35e-07 erg/cm2
90%_error_hi 3.64e-08 3.68e-08 5.97e-08 4.28e-07 1.43e-07 4.57e-07 erg/cm2
Peak flux PL 7.72e-01 8.68e-01 6.98e-01 9.34e-01 2.68e+00 3.27e+00 ph/cm2/s
90%_error_low -9.67e-02 -6.51e-02 -6.20e-02 -1.68e-01 -1.83e-01 -2.38e-01 ph/cm2/s
90%_error_hi 1.01e-01 6.45e-02 6.14e-02 1.90e-01 1.83e-01 2.42e-01 ph/cm2/s
Fluence CPL 6.22e-07 1.14e-06 1.61e-06 4.74e-06 4.60e-06 8.12e-06 erg/cm2
90%_error_low -4.63e-08 -3.27e-08 -6.01e-08 -1.27e-06 -1.64e-07 -1.28e-06 erg/cm2
90%_error_hi 2.66e-08 3.94e-08 6.36e-08 2.67e-07 1.41e-07 2.54e-07 erg/cm2
Peak flux CPL 7.71e-01 8.67e-01 6.96e-01 1.00e+00 2.70e+00 3.28e+00 ph/cm2/s
90%_error_low N/A -6.51e-02 -6.10e-02 N/A -2.01e-01 -3.25e-01 ph/cm2/s
90%_error_hi N/A 6.61e-02 6.44e-02 N/A 1.65e-01 2.11e-01 ph/cm2/s
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