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: Wed Jan 22 12:19:20 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger235715
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Trigger: 00235715 Segment: 000
BAT Trigger Time: 183691584 [s; MET]
Trigger Stop: 183691712 [s; MET]
UTC: 2006-10-28T01:26:22.466000 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 97.2117735881431 Dec: 46.2699444035206 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.1
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.1
Analysis Position: [ source = BAT ]
RA: 97.2117735881431 Dec: 46.2699444035206 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 97.1872250788109 Dec: 46.2897368338446 [deg; J2000]
{ 06h 28m 44.9s , +46d 17' 23.1" }
+/- 2.51095129091513 [arcmin] (estimated 90% radius based on SNR)
+/- 1.33099245056577 [arcmin] (formal 1-sigma fit error)
SNR: 8.16433517246874
Angular difference between the analysis and refined position is 1.564146 arcmin
Partial Coding Fraction: 0.3554688 [ including projection effects ]
Duration
T90: 105.812000006437 +/- 36.9372000045884
Measured from: 57.0200000107288
to: 162.832000017166 [s; relative to TRIGTIME]
T50: 42.0320000052452 +/- 17.5047662030556
Measured from: 79.8240000009537
to: 121.856000006199 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 79.9359999895096
to: 80.9359999895096 [s; relative to TRIGTIME]
Total Fluence
Measured from: 46.7879999876022
to: 166.143999993801 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.533122 0.547030 0.439639 0.144819
0.081833 0.084725 0.074169 0.065460 [error]
Peak 0.012696 0.033029 0.021660 0.018205
0.008018 0.008280 0.007057 0.006267 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 119.356 46.788 166.144
T90 105.812 57.020 162.832
T50 42.032 79.824 121.856
Peak 1.000 79.936 80.936
====== 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 -1.676 -0.296 0.284 - - - 8.62e-04 -1.48e-04 1.43e-04 51.240 57
CPL -1.685 -0.289 0.355 9999.340 -9999.330 -9999.340 8.57e-04 -1.43e-04 9.16e-04 51.250 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 -1.052 -0.506 0.611 - - - 5.51e-03 -1.65e-03 1.57e-03 58.540 57
CPL -1.066 -0.492 0.731 9999.360 -9999.360 -9999.360 5.56e-03 -1.66e-03 2.26e-02 58.550 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 1.55e-07 2.56e-07 3.20e-07 7.97e-07 9.54e-07 1.53e-06 erg/cm2
90%_error_low -3.69e-08 -3.86e-08 -7.49e-08 -3.31e-07 -1.71e-07 -4.08e-07 erg/cm2
90%_error_hi 3.85e-08 3.85e-08 7.46e-08 4.62e-07 1.75e-07 5.14e-07 erg/cm2
Peak flux PL 1.48e-01 1.94e-01 1.88e-01 3.22e-01 6.36e-01 8.52e-01 ph/cm2/s
90%_error_low -4.61e-02 -7.82e-02 -5.58e-02 -1.70e-01 -1.91e-01 -2.42e-01 ph/cm2/s
90%_error_hi 1.03e-01 7.22e-02 5.44e-02 2.90e-01 1.93e-01 2.56e-01 ph/cm2/s
Fluence CPL 1.59e-07 2.03e-07 3.17e-07 8.94e-07 9.63e-07 1.52e-06 erg/cm2
90%_error_low -5.34e-08 -6.10e-08 -1.59e-07 -5.80e-07 -2.37e-07 -5.54e-07 erg/cm2
90%_error_hi 4.81e-08 3.93e-08 -7.78e-08 1.11e-07 7.82e-08 4.14e-07 erg/cm2
Peak flux CPL 1.57e-01 1.93e-01 1.86e-01 3.81e-01 6.43e-01 8.59e-01 ph/cm2/s
90%_error_low N/A -8.92e-02 -5.46e-02 N/A -2.99e-01 -8.59e-01 ph/cm2/s
90%_error_hi N/A 8.62e-02 5.79e-02 N/A 2.15e-01 2.46e-01 ph/cm2/s
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