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 18:18:51 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger346386
======================================================================
Trigger: 00346386 Segment: 000
BAT Trigger Time: 258627992 [s; MET]
Trigger Stop: 258628056 [s; MET]
UTC: 2009-03-13T09:06:27.429120 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 198.396961251434 Dec: 8.10658701409268 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.12
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.12
Analysis Position: [ source = BAT ]
RA: 198.396961251434 Dec: 8.10658701409268 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 198.400524805022 Dec: 8.0867899356897 [deg; J2000]
{ 13h 13m 36.1s , +08d 05' 12.4" }
+/- 2.14658730696382 [arcmin] (estimated 90% radius based on SNR)
+/- 0.923630156814283 [arcmin] (formal 1-sigma fit error)
SNR: 10.2139063134631
Angular difference between the analysis and refined position is 1.206539 arcmin
Partial Coding Fraction: 0.1523438 [ including projection effects ]
Duration
T90: 83.039999961853 +/- 19.4835232932372
Measured from: -16.2639999985695
to: 66.7759999632835 [s; relative to TRIGTIME]
T50: 38.9759999513626 +/- 12.0077308652368
Measured from: 1.81600001454353
to: 40.7919999659061 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 4.86000001430511
to: 5.86000001430511 [s; relative to TRIGTIME]
Total Fluence
Measured from: -21.2560000121593
to: 74.8079999983311 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.990800 0.895882 0.692329 0.206577
0.130682 0.130822 0.114997 0.101544 [error]
Peak 0.027280 0.035034 0.016027 0.033504
0.013906 0.013887 0.011553 0.011006 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 96.064 -21.256 74.808
T90 83.040 -16.264 66.776
T50 38.976 1.816 40.792
Peak 1.000 4.860 5.860
====== 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 -1.899 -0.288 0.269 - - - 1.71e-03 -3.01e-04 2.89e-04 57.090 57
CPL -1.903 -0.409 0.911 9999.280 N/A N/A 1.70e-03 N/A N/A 57.090 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 -1.456 -0.943 1.051 - - - 6.06e-03 -2.61e-03 2.51e-03 53.110 57
CPL -1.457 1.457 1.254 9999.330 N/A N/A 6.07e-03 N/A N/A 53.110 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 3.05e-07 4.40e-07 4.72e-07 9.42e-07 1.51e-06 2.16e-06 erg/cm2
90%_error_low -6.42e-08 -6.23e-08 -1.13e-07 -3.89e-07 -2.55e-07 -5.18e-07 erg/cm2
90%_error_hi 6.69e-08 6.22e-08 1.14e-07 5.37e-07 2.61e-07 6.32e-07 erg/cm2
Peak flux PL 2.39e-01 2.47e-01 1.80e-01 2.11e-01 7.47e-01 8.77e-01 ph/cm2/s
90%_error_low -1.82e-01 -1.40e-01 -9.97e-02 -2.11e-01 -7.47e-01 -3.63e-01 ph/cm2/s
90%_error_hi 2.31e-01 1.18e-01 8.87e-02 4.11e-01 3.38e-01 3.64e-01 ph/cm2/s
Fluence CPL 3.04e-07 4.18e-07 4.49e-07 1.05e-06 1.47e-06 2.22e-06 erg/cm2
90%_error_low -7.94e-08 -1.07e-07 -7.27e-08 -7.16e-07 -3.62e-07 -2.13e-06 erg/cm2
90%_error_hi 6.23e-08 7.60e-08 7.05e-08 1.48e-07 2.35e-07 3.32e-07 erg/cm2
Peak flux CPL 2.04e-01 1.24e-01 5.02e-02 3.30e-02 3.92e-01 4.13e-01 ph/cm2/s
90%_error_low -2.04e-01 N/A N/A N/A -3.92e-01 -4.13e-01 ph/cm2/s
90%_error_hi 2.65e-01 N/A N/A N/A 4.70e-01 5.64e-01 ph/cm2/s
======================================================================
Special notes of this burst