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 23:58:33 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger592916
======================================================================
Trigger: 00592916 Segment: 000
BAT Trigger Time: 417263003.712 [s; MET]
Trigger Stop: 417263004.736 [s; MET]
UTC: 2014-03-23T10:23:11.917100 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 356.888109888947 Dec: -79.9167691220257 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.58
Image Trigger?: NO
Rate S/N Ratio: 35.2562051276084 [ if not an image trigger ]
Image S/N Ratio: 7.58
Analysis Position: [ source = BAT ]
RA: 356.888109888947 Dec: -79.9167691220257 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 356.963632730695 Dec: -79.9134225829457 [deg; J2000]
{ 23h 47m 51.3s , -79d 54' 48.3" }
+/- 1.04494396348208 [arcmin] (estimated 90% radius based on SNR)
+/- 0.419855367388977 [arcmin] (formal 1-sigma fit error)
SNR: 28.5655548189585
Angular difference between the analysis and refined position is 0.818488 arcmin
Partial Coding Fraction: 0.1269531 [ including projection effects ]
Duration
T90: 106.487999975681 +/- 3.25602762888333
Measured from: -4.15200001001358
to: 102.335999965668 [s; relative to TRIGTIME]
T50: 72.9719999432564 +/- 1.88163330752207
Measured from: 10.3759999871254
to: 83.3479999303818 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 6.4200000166893
to: 7.4200000166893 [s; relative to TRIGTIME]
Total Fluence
Measured from: -19.2080000042915
to: 117.367999970913 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 6.080653 8.709724 7.162746 1.956064
0.135692 0.148706 0.137405 0.113570 [error]
Peak 0.102445 0.248086 0.316572 0.094993
0.019567 0.024894 0.025173 0.020377 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 136.576 -19.208 117.368
T90 106.488 -4.152 102.336
T50 72.972 10.376 83.348
Peak 1.000 6.420 7.420
====== 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 -1.503 -0.042 0.042 - - - 1.22e-02 -2.72e-04 2.72e-04 52.000 57
CPL -1.324 -0.164 0.173 215.353 -78.129 1510.317 1.47e-02 -2.17e-03 2.75e-03 48.680 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 -1.030 -0.156 0.160 - - - 5.58e-02 -5.50e-03 5.47e-03 55.490 57
CPL -0.288 -0.691 0.827 137.367 -43.426 754.396 1.17e-01 -5.75e-02 1.40e-01 52.130 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 2.12e-06 3.89e-06 5.50e-06 1.63e-05 1.57e-05 2.78e-05 erg/cm2
90%_error_low -9.74e-08 -1.04e-07 -1.46e-07 -9.83e-07 -3.61e-07 -1.05e-06 erg/cm2
90%_error_hi 9.93e-08 1.04e-07 1.45e-07 1.03e-06 3.62e-07 1.09e-06 erg/cm2
Peak flux PL 3.21e-04 3.94e-03 4.39e-02 4.24e+00 1.97e-01 4.23e+00 ph/cm2/s
90%_error_low -6.07e-06 -3.40e-05 2.42e-04 -3.98e-01 2.77e-03 -3.53e-01 ph/cm2/s
90%_error_hi 2.28e-04 2.52e-03 2.53e-02 1.21e+00 1.08e-01 1.32e+00 ph/cm2/s
Fluence CPL 2.02e-06 3.93e-06 5.59e-06 1.30e-05 1.56e-05 2.46e-05 erg/cm2
90%_error_low -1.30e-07 -1.09e-07 -1.69e-07 -2.40e-06 -3.93e-07 -2.42e-06 erg/cm2
90%_error_hi 1.32e-07 1.10e-07 1.70e-07 1.78e-06 3.92e-07 3.05e-06 erg/cm2
Peak flux CPL 1.20e+00 2.03e+00 2.11e+00 1.85e+00 6.31e+00 7.19e+00 ph/cm2/s
90%_error_low -3.51e-01 -2.67e-01 -2.66e-01 -7.47e-01 -6.62e-01 -1.03e+00 ph/cm2/s
90%_error_hi 3.79e-01 2.69e-01 2.71e-01 1.40e+00 6.65e-01 1.48e+00 ph/cm2/s
======================================================================