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 23:15:45 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger570465
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Trigger: 00570465 Segment: 000
BAT Trigger Time: 400667708.956 [s; MET]
Trigger Stop: 400667709.02 [s; MET]
UTC: 2013-09-12T08:34:57.933280 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 47.6148478284115 Dec: 13.9744257814072 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.18
Image Trigger?: NO
Rate S/N Ratio: 46.2385120867876 [ if not an image trigger ]
Image S/N Ratio: 7.18
Analysis Position: [ source = BAT ]
RA: 47.6148478284115 Dec: 13.9744257814072 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 47.606543942408 Dec: 13.9984281667244 [deg; J2000]
{ 03h 10m 25.6s , +13d 59' 54.3" }
+/- 1.64734215996842 [arcmin] (estimated 90% radius based on SNR)
+/- 0.534050308930498 [arcmin] (formal 1-sigma fit error)
SNR: 14.9082689189064
Angular difference between the analysis and refined position is 1.519127 arcmin
Partial Coding Fraction: 0.3125 [ including projection effects ]
Duration
T90: 0.283999919891357 +/- 0.0288444686585799
Measured from: 0.0160000324249268
to: 0.299999952316284 [s; relative to TRIGTIME]
T50: 0.20799994468689 +/- 0.0268327901402435
Measured from: 0.0400000214576721
to: 0.247999966144562 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.335999965667725
to: 0.664000034332275 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.00400000810623169
to: 0.320000052452087 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.050283 0.077143 0.076630 0.033084
0.006979 0.008371 0.009053 0.007701 [error]
Peak 0.053123 0.088663 0.076403 0.033673
0.011160 0.011890 0.011969 0.010707 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 0.316 0.004 0.320
T90 0.284 0.016 0.300
T50 0.208 0.040 0.248
Peak 1.000 -0.336 0.664
====== 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 -1.205 -0.195 0.195 - - - 5.46e-02 -5.98e-03 5.98e-03 46.510 57
CPL -1.156 -0.243 0.564 965.147 -965.147 -965.147 5.75e-02 N/A N/A 46.600 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 -1.268 -0.256 0.258 - - - 1.82e-02 -2.64e-03 2.64e-03 68.040 57
CPL -1.078 -1.006 -0.891 272.455 N/A N/A 2.22e-02 N/A N/A 67.900 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 1.67e-08 3.68e-08 6.39e-08 2.58e-07 1.75e-07 3.75e-07 erg/cm2
90%_error_low -3.36e-09 -4.59e-09 -8.62e-09 -7.01e-08 -2.16e-08 -7.65e-08 erg/cm2
90%_error_hi 3.58e-09 4.52e-09 8.48e-09 8.54e-08 2.17e-08 8.96e-08 erg/cm2
Peak flux PL 5.98e-01 6.91e-01 5.74e-01 8.02e-01 2.15e+00 2.67e+00 ph/cm2/s
90%_error_low -1.62e-01 -1.20e-01 -9.76e-02 -2.56e-01 -3.27e-01 -3.99e-01 ph/cm2/s
90%_error_hi 1.77e-01 1.18e-01 9.59e-02 3.21e-01 3.29e-01 4.04e-01 ph/cm2/s
Fluence CPL 1.67e-08 3.67e-08 6.31e-08 2.67e-07 1.75e-07 3.76e-07 erg/cm2
90%_error_low N/A N/A -1.03e-08 N/A -2.29e-08 -1.43e-07 erg/cm2
90%_error_hi N/A N/A 1.29e-08 N/A 2.24e-08 4.13e-08 erg/cm2
Peak flux CPL 5.71e-01 7.00e-01 5.88e-01 6.61e-01 2.14e+00 2.52e+00 ph/cm2/s
90%_error_low -1.97e-01 -1.26e-01 -1.08e-01 -3.87e-01 -3.36e-01 -5.45e-01 ph/cm2/s
90%_error_hi 1.74e-01 1.30e-01 1.17e-01 2.62e-01 3.37e-01 5.18e-01 ph/cm2/s
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