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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sun Jan 19 20:49:01 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger334112
======================================================================
Trigger: 00334112 Segment: 000
BAT Trigger Time: 247906929.856 [s; MET]
Trigger Stop: 247906930.88 [s; MET]
UTC: 2008-11-09T07:02:06.614940 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 330.787413462989 Dec: -54.7186309698602 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.1
Image Trigger?: NO
Rate S/N Ratio: 14.9331845230681 [ if not an image trigger ]
Image S/N Ratio: 9.1
Analysis Position: [ source = BAT ]
RA: 330.787413462989 Dec: -54.7186309698602 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 330.800308250584 Dec: -54.7084162680192 [deg; J2000]
{ 22h 03m 12.1s , -54d 42' 30.3" }
+/- 0.94305321883769 [arcmin] (estimated 90% radius based on SNR)
+/- 0.362762483415238 [arcmin] (formal 1-sigma fit error)
SNR: 33.0746482871109
Angular difference between the analysis and refined position is 0.758533 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 221.487999975681 +/- 58.9712879330521
Measured from: -36.2560000121593
to: 185.231999963522 [s; relative to TRIGTIME]
T50: 34.9599999785423 +/- 5.8716729948983
Measured from: -1.84000000357628
to: 33.119999974966 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 7.55599999427795
to: 8.55599999427795 [s; relative to TRIGTIME]
Total Fluence
Measured from: -80.7520000040531
to: 299.775999993086 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.989267 2.584879 1.767380 0.367549
0.092707 0.096623 0.085504 0.074660 [error]
Peak 0.048180 0.068829 0.043649 0.011802
0.006192 0.006598 0.005813 0.004640 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 380.528 -80.752 299.776
T90 221.488 -36.256 185.232
T50 34.960 -1.840 33.120
Peak 1.000 7.556 8.556
====== 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: 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 -1.608 -0.085 0.085 - - - 1.13e-03 -5.24e-05 5.22e-05 71.710 57
CPL -1.448 -0.268 0.349 169.706 -84.550 -169.706 1.36e-03 -2.74e-04 6.63e-04 71.020 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 -1.648 -0.197 0.191 - - - 1.08e-02 -1.32e-03 1.30e-03 45.830 57
CPL -1.448 N/A N/A 127.363 N/A N/A 1.39e-02 N/A N/A 45.640 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 6.05e-07 1.04e-06 1.37e-06 3.64e-06 4.00e-06 6.65e-06 erg/cm2
90%_error_low -4.79e-08 -4.90e-08 -8.52e-08 -4.74e-07 -2.00e-07 -5.40e-07 erg/cm2
90%_error_hi 4.92e-08 4.89e-08 8.52e-08 5.21e-07 2.01e-07 5.78e-07 erg/cm2
Peak flux PL 5.14e-01 4.74e-01 3.03e-01 2.97e-01 1.41e+00 1.59e+00 ph/cm2/s
90%_error_low -8.74e-02 -5.29e-02 -4.77e-02 -8.35e-02 -1.56e-01 -1.78e-01 ph/cm2/s
90%_error_hi 9.08e-02 5.28e-02 4.74e-02 1.01e-01 1.56e-01 1.79e-01 ph/cm2/s
Fluence CPL 5.88e-07 1.06e-06 1.38e-06 2.81e-06 3.94e-06 5.83e-06 erg/cm2
90%_error_low -5.83e-08 -5.75e-08 -8.83e-08 -1.11e-06 -2.35e-07 -1.13e-06 erg/cm2
90%_error_hi 5.78e-08 5.86e-08 8.93e-08 9.60e-07 2.33e-07 1.03e-06 erg/cm2
Peak flux CPL 5.01e-01 4.86e-01 3.06e-01 2.26e-01 1.40e+00 1.52e+00 ph/cm2/s
90%_error_low -1.01e-01 -6.21e-02 -4.95e-02 -1.46e-01 -1.61e-01 -2.29e-01 ph/cm2/s
90%_error_hi 9.73e-02 7.13e-02 5.09e-02 9.37e-02 1.60e-01 2.36e-01 ph/cm2/s
======================================================================
Special notes of this burst