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: Mon Jan 20 07:01:46 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger292826
======================================================================
Trigger: 00292826 Segment: 000
BAT Trigger Time: 212949110.336 [s; MET]
Trigger Stop: 212949112.384 [s; MET]
UTC: 2007-10-01T16:31:48.074080 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 149.76568444715 Dec: -59.7508699680511 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.13
Image Trigger?: NO
Rate S/N Ratio: 12.8062484748657 [ if not an image trigger ]
Image S/N Ratio: 7.13
Analysis Position: [ source = BAT ]
RA: 149.76568444715 Dec: -59.7508699680511 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 149.724194593578 Dec: -59.7608845496022 [deg; J2000]
{ 09h 58m 53.8s , -59d 45' 39.2" }
+/- 1.81065542795613 [arcmin] (estimated 90% radius based on SNR)
+/- 0.87762355834265 [arcmin] (formal 1-sigma fit error)
SNR: 13.0251132261004
Angular difference between the analysis and refined position is 1.390410 arcmin
Partial Coding Fraction: 0.8515625 [ including projection effects ]
Duration
T90: 57.4280000030994 +/- 3.87878588845114
Measured from: 0.920000016689301
to: 58.3480000197887 [s; relative to TRIGTIME]
T50: 43.7240000069141 +/- 2.11721422018474
Measured from: 6.41600000858307
to: 50.1400000154972 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 48.1400000154972
to: 49.1400000154972 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0439999997615814
to: 61.8000000119209 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.448945 0.544507 0.346716 0.108565
0.039304 0.040356 0.034965 0.030179 [error]
Peak 0.032794 0.048301 0.021345 0.005112
0.005294 0.005421 0.004633 0.003831 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 61.844 -0.044 61.800
T90 57.428 0.920 58.348
T50 43.724 6.416 50.140
Peak 1.000 48.140 49.140
====== 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 -1.674 -0.156 0.153 - - - 1.37e-03 -1.29e-04 1.27e-04 42.470 57
CPL -1.356 -0.502 0.353 92.219 -36.625 -92.219 2.04e-03 -7.75e-04 2.55e-03 41.590 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 -1.865 -0.250 0.234 - - - 6.03e-03 -1.06e-03 1.04e-03 50.720 57
CPL -0.101 -1.212 1.689 43.827 -8.142 15.556 6.53e-02 -6.53e-02 6.06e-01 43.790 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 1.27e-07 2.11e-07 2.64e-07 6.58e-07 7.86e-07 1.26e-06 erg/cm2
90%_error_low -1.68e-08 -1.78e-08 -3.36e-08 -1.59e-07 -7.82e-08 -1.92e-07 erg/cm2
90%_error_hi 1.73e-08 1.78e-08 3.38e-08 1.91e-07 7.95e-08 2.18e-07 erg/cm2
Peak flux PL 3.53e-01 2.86e-01 1.57e-01 1.27e-01 8.53e-01 9.24e-01 ph/cm2/s
90%_error_low -6.73e-02 -4.08e-02 -3.49e-02 -4.61e-02 -1.21e-01 -1.35e-01 ph/cm2/s
90%_error_hi 6.96e-02 4.08e-02 3.57e-02 5.95e-02 1.21e-01 1.36e-01 ph/cm2/s
Fluence CPL 1.23e-07 2.19e-07 2.65e-07 3.80e-07 7.60e-07 9.86e-07 erg/cm2
90%_error_low -1.92e-08 -2.25e-08 -3.56e-08 -2.29e-07 -9.07e-08 -2.49e-07 erg/cm2
90%_error_hi 1.93e-08 2.35e-08 3.55e-08 3.74e-07 9.16e-08 3.53e-07 erg/cm2
Peak flux CPL 3.04e-01 3.50e-01 1.49e-01 1.81e-02 8.19e-01 8.21e-01 ph/cm2/s
90%_error_low -7.91e-02 -5.89e-02 -4.88e-02 -1.81e-02 -1.22e-01 -1.23e-01 ph/cm2/s
90%_error_hi 7.94e-02 6.20e-02 4.53e-02 4.72e-02 1.22e-01 1.26e-01 ph/cm2/s
======================================================================