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 Oct 4 21:39:54 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger603810
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Trigger: 00603810 Segment: 000
BAT Trigger Time: 426561233.408 [s; MET]
Trigger Stop: 426561234.432 [s; MET]
UTC: 2014-07-09T01:13:41.167180 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 304.638752617788 Dec: 51.2230855104488 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.54
Image Trigger?: NO
Rate S/N Ratio: 20.1246117974981 [ if not an image trigger ]
Image S/N Ratio: 12.54
Analysis Position: [ source = BAT ]
RA: 304.638752617788 Dec: 51.2230855104488 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 304.665870644372 Dec: 51.2218252529049 [deg; J2000]
{ 20h 18m 39.8s , +51d 13' 18.6" }
+/- 0.765187295282297 [arcmin] (estimated 90% radius based on SNR)
+/- 0.31619013194306 [arcmin] (formal 1-sigma fit error)
SNR: 44.5825033104459
Angular difference between the analysis and refined position is 1.021840 arcmin
Partial Coding Fraction: 0.6171875 [ including projection effects ]
Duration
T90: 105.191999912262 +/- 7.38508875711292
Measured from: -32.4919999837875
to: 72.6999999284744 [s; relative to TRIGTIME]
T50: 24.6319999694824 +/- 1.78511623636155
Measured from: -6.76800000667572
to: 17.8639999628067 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 15.4760000109673
to: 16.4760000109673 [s; relative to TRIGTIME]
Total Fluence
Measured from: -46.0799999833107
to: 85.5920000076294 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.487605 3.437267 2.473854 0.611005
0.085174 0.088279 0.076893 0.064219 [error]
Peak 0.079410 0.144267 0.120044 0.027379
0.009760 0.010568 0.009112 0.006941 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 131.672 -46.080 85.592
T90 105.192 -32.492 72.700
T50 24.632 -6.768 17.864
Peak 1.000 15.476 16.476
====== 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 -1.645 -0.059 0.059 - - - 4.54e-03 -1.46e-04 1.45e-04 53.110 57
CPL -1.284 -0.241 0.255 103.830 -22.973 97.252 6.76e-03 -1.54e-03 2.14e-03 46.440 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 -1.427 -0.130 0.130 - - - 2.53e-02 -2.04e-03 2.04e-03 63.780 57
CPL -0.433 -0.600 0.699 80.577 -15.082 45.956 7.89e-02 -3.85e-02 9.21e-02 55.150 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 8.75e-07 1.47e-06 1.88e-06 4.83e-06 5.56e-06 9.06e-06 erg/cm2
90%_error_low -5.16e-08 -5.14e-08 -7.75e-08 -4.28e-07 -1.86e-07 -4.80e-07 erg/cm2
90%_error_hi 5.28e-08 5.13e-08 7.73e-08 4.55e-07 1.87e-07 5.00e-07 erg/cm2
Peak flux PL 9.70e-01 1.02e+00 7.59e-01 9.13e-01 3.10e+00 3.66e+00 ph/cm2/s
90%_error_low -1.33e-01 -9.10e-02 -7.24e-02 -1.63e-01 -2.58e-01 -2.97e-01 ph/cm2/s
90%_error_hi 1.39e-01 9.04e-02 7.19e-02 1.83e-01 2.58e-01 2.97e-01 ph/cm2/s
Fluence CPL 8.10e-07 1.51e-06 1.93e-06 2.98e-06 5.42e-06 7.23e-06 erg/cm2
90%_error_low -6.53e-08 -5.80e-08 -8.48e-08 -7.71e-07 -2.10e-07 -7.96e-07 erg/cm2
90%_error_hi 6.66e-08 5.86e-08 8.56e-08 1.11e-06 2.09e-07 1.11e-06 erg/cm2
Peak flux CPL 8.05e-01 1.11e+00 8.29e-01 3.67e-01 3.00e+00 3.12e+00 ph/cm2/s
90%_error_low -1.62e-01 -1.11e-01 -8.67e-02 -1.48e-01 -2.67e-01 -3.10e-01 ph/cm2/s
90%_error_hi 1.67e-01 1.13e-01 8.84e-02 2.49e-01 2.66e-01 3.45e-01 ph/cm2/s
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