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: Tue Jan 14 00:50:11 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger442039
======================================================================
Trigger: 00442039 Segment: 000
BAT Trigger Time: 316498345.024 [s; MET]
Trigger Stop: 316498345.536 [s; MET]
UTC: 2011-01-12T04:12:18.468660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 329.940686625488 Dec: 26.4889696785716 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.19
Image Trigger?: NO
Rate S/N Ratio: 8.12403840463596 [ if not an image trigger ]
Image S/N Ratio: 7.19
Analysis Position: [ source = BAT ]
RA: 329.940686625488 Dec: 26.4889696785716 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 329.931497203065 Dec: 26.4718766762079 [deg; J2000]
{ 21h 59m 43.6s , +26d 28' 18.8" }
+/- 2.62682322334628 [arcmin] (estimated 90% radius based on SNR)
+/- 1.4544386097635 [arcmin] (formal 1-sigma fit error)
SNR: 7.65475782623594
Angular difference between the analysis and refined position is 1.138146 arcmin
Partial Coding Fraction: 0.8671875 [ including projection effects ]
Duration
T90: 0.523999989032745 +/- 0.147187001532429
Measured from: -0.0640000104904175
to: 0.459999978542328 [s; relative to TRIGTIME]
T50: 0.219999969005585 +/- 0.172046507558103
Measured from: 0.0680000185966492
to: 0.287999987602234 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.283999979496002
to: 0.716000020503998 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0719999670982361
to: 0.504000008106232 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.024000 0.024472 0.011728 0.005901
0.005157 0.005126 0.004606 0.004281 [error]
Peak 0.023350 0.025135 0.012802 0.002260
0.006589 0.006599 0.005959 0.005619 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.576 -0.072 0.504
T90 0.524 -0.064 0.460
T50 0.220 0.068 0.288
Peak 1.000 -0.284 0.716
====== 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 -2.124 -0.497 0.424 - - - 5.54e-03 -1.90e-03 1.84e-03 46.640 57
CPL -0.889 -1.217 3.338 33.689 N/A N/A 3.23e-02 N/A N/A 45.470 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 -1.842 -0.561 0.501 - - - 3.61e-03 -1.35e-03 1.31e-03 74.660 57
CPL 0.093 -2.239 5.318 42.273 N/A N/A 5.25e-02 N/A N/A 72.640 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 7.35e-09 9.26e-09 8.50e-09 1.36e-08 2.97e-08 3.87e-08 erg/cm2
90%_error_low -2.14e-09 -2.35e-09 -3.67e-09 -8.67e-09 -8.73e-09 -1.43e-08 erg/cm2
90%_error_hi 2.20e-09 2.29e-09 4.04e-09 1.55e-08 9.35e-09 1.97e-08 erg/cm2
Peak flux PL 2.07e-01 1.70e-01 9.49e-02 7.81e-02 5.06e-01 5.50e-01 ph/cm2/s
90%_error_low -8.18e-02 -5.14e-02 -4.33e-02 -5.12e-02 -1.53e-01 -1.70e-01 ph/cm2/s
90%_error_hi 8.75e-02 5.14e-02 4.62e-02 9.08e-02 1.53e-01 1.74e-01 ph/cm2/s
Fluence CPL 6.97e-09 1.07e-08 7.24e-09 1.84e-09 2.64e-08 2.68e-08 erg/cm2
90%_error_low -2.42e-09 -3.15e-09 -5.01e-09 N/A -8.17e-09 -8.54e-09 erg/cm2
90%_error_hi 2.36e-09 3.47e-09 4.89e-09 N/A 1.05e-08 2.53e-08 erg/cm2
Peak flux CPL 1.78e-01 2.14e-01 8.19e-02 6.88e-03 4.80e-01 4.81e-01 ph/cm2/s
90%_error_low -9.52e-02 -7.29e-02 -6.12e-02 -6.88e-03 -1.50e-01 -1.51e-01 ph/cm2/s
90%_error_hi 9.75e-02 8.01e-02 5.92e-02 9.60e-02 1.53e-01 1.58e-01 ph/cm2/s
======================================================================
Special notes of this burst