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: Sun Jan 19 20:22:17 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger335715
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Trigger: 00335715 Segment: 000
BAT Trigger Time: 249462312.192 [s; MET]
Trigger Stop: 249462320.384 [s; MET]
UTC: 2008-11-27T07:05:08.903800 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 332.09265321205 Dec: 6.85939107792509 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.25
Image Trigger?: NO
Rate S/N Ratio: 8.42614977317636 [ if not an image trigger ]
Image S/N Ratio: 7.25
Analysis Position: [ source = BAT ]
RA: 332.09265321205 Dec: 6.85939107792509 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 332.0823951619 Dec: 6.84381693017392 [deg; J2000]
{ 22h 08m 19.8s , +06d 50' 37.7" }
+/- 2.33254644561019 [arcmin] (estimated 90% radius based on SNR)
+/- 0.991046344579726 [arcmin] (formal 1-sigma fit error)
SNR: 9.07081944969431
Angular difference between the analysis and refined position is 1.116523 arcmin
Partial Coding Fraction: 0.515625 [ including projection effects ]
Duration
T90: 17.3000000119209 +/- 3.54516966255674
Measured from: -9.21999999880791
to: 8.08000001311302 [s; relative to TRIGTIME]
T50: 8.54800000786781 +/- 3.52388478836441
Measured from: -4.03999999165535
to: 4.50800001621246 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -4.59200000762939
to: -3.59200000762939 [s; relative to TRIGTIME]
Total Fluence
Measured from: -10.7120000123978
to: 8.53599998354912 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.287636 0.227198 0.171459 0.009593
0.034745 0.036179 0.032935 0.030583 [error]
Peak 0.041736 0.017142 0.012955 0.011269
0.008060 0.008059 0.007650 0.007142 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 19.248 -10.712 8.536
T90 17.300 -9.220 8.080
T50 8.548 -4.040 4.508
Peak 1.000 -4.592 -3.592
====== 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 -2.044 -0.318 0.290 - - - 2.26e-03 -4.52e-04 4.30e-04 48.930 57
CPL -2.113 -0.308 0.716 60.636 N/A N/A 2.03e-03 N/A N/A 48.770 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 -2.288 -0.803 0.620 - - - 4.04e-03 -2.01e-03 1.91e-03 66.350 57
CPL -1.987 -0.024 1.987 1.817 N/A N/A 6.00e-03 N/A N/A 66.470 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 9.27e-08 1.22e-07 1.19e-07 2.06e-07 4.02e-07 5.40e-07 erg/cm2
90%_error_low -1.92e-08 -1.81e-08 -3.21e-08 -9.32e-08 -7.16e-08 -1.33e-07 erg/cm2
90%_error_hi 1.98e-08 1.79e-08 3.30e-08 1.34e-07 7.38e-08 1.64e-07 erg/cm2
Peak flux PL 3.57e-01 2.26e-01 9.27e-02 5.15e-02 7.02e-01 7.27e-01 ph/cm2/s
90%_error_low -1.40e-01 -7.70e-02 -5.49e-02 -5.15e-02 -2.12e-01 -2.23e-01 ph/cm2/s
90%_error_hi 1.46e-01 7.26e-02 6.33e-02 8.94e-02 2.12e-01 2.26e-01 ph/cm2/s
Fluence CPL 9.18e-08 1.08e-07 1.15e-07 2.27e-07 3.84e-07 5.56e-07 erg/cm2
90%_error_low -2.30e-08 -5.85e-08 -9.40e-08 -1.10e-07 N/A N/A erg/cm2
90%_error_hi 2.08e-08 3.07e-08 2.92e-08 7.82e-08 N/A N/A erg/cm2
Peak flux CPL 3.58e-01 2.24e-01 9.25e-02 5.92e-02 7.03e-01 7.35e-01 ph/cm2/s
90%_error_low -1.33e-01 N/A N/A -5.92e-02 N/A N/A ph/cm2/s
90%_error_hi 1.45e-01 N/A N/A 8.09e-02 N/A N/A ph/cm2/s
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