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 14:56:29 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger358574
======================================================================
Trigger: 00358574 Segment: 000
BAT Trigger Time: 270485150.912 [s; MET]
Trigger Stop: 270485155.008 [s; MET]
UTC: 2009-07-28T14:45:45.962500 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 29.6601612956258 Dec: 41.6470928113711 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.64
Image Trigger?: NO
Rate S/N Ratio: 10.9544511501033 [ if not an image trigger ]
Image S/N Ratio: 9.64
Analysis Position: [ source = BAT ]
RA: 29.6601612956258 Dec: 41.6470928113711 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 29.6413409875335 Dec: 41.6359884040569 [deg; J2000]
{ 01h 58m 33.9s , +41d 38' 09.6" }
+/- 1.96264779750396 [arcmin] (estimated 90% radius based on SNR)
+/- 1.31155149352086 [arcmin] (formal 1-sigma fit error)
SNR: 11.6083938736816
Angular difference between the analysis and refined position is 1.075197 arcmin
Partial Coding Fraction: 0.3789062 [ including projection effects ]
Duration
T90: 64 +/- 35.7770876399966
Measured from: -15.9120000004768
to: 48.0879999995232 [s; relative to TRIGTIME]
T50: 16 +/- 22.6274169979695
Measured from: 0.0879999995231628
to: 16.0879999995232 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 7.58799999952316
to: 8.58799999952316 [s; relative to TRIGTIME]
Total Fluence
Measured from: -15.9120000004768
to: 64.0879999995232 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.629376 0.637135 0.420777 0.109452
0.082473 0.084709 0.075338 0.065800 [error]
Peak 0.009663 0.005832 0.002438 0.007397
0.009944 0.009919 0.008997 0.007737 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 80.000 -15.912 64.088
T90 64.000 -15.912 48.088
T50 16.000 0.088 16.088
Peak 1.000 7.588 8.588
====== 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 -1.922 -0.260 0.243 - - - 1.48e-03 -2.42e-04 2.35e-04 56.740 57
CPL -1.556 -0.641 1.036 55.798 -55.746 -55.798 2.34e-03 -1.30e-03 6.02e-03 56.220 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 -2.725 2.725 2.725 - - - 1.10e-03 -1.10e-03 2.31e-03 67.920 57
CPL -1.903 N/A N/A 3.862 N/A N/A 3.87e-03 N/A N/A 67.940 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 2.25e-07 3.20e-07 3.38e-07 6.59e-07 1.09e-06 1.54e-06 erg/cm2
90%_error_low -4.47e-08 -4.35e-08 -7.37e-08 -2.50e-07 -1.71e-07 -3.36e-07 erg/cm2
90%_error_hi 4.65e-08 4.35e-08 7.42e-08 3.32e-07 1.73e-07 3.97e-07 erg/cm2
Peak flux PL 1.49e-01 7.36e-02 2.23e-02 8.55e-03 2.50e-01 2.54e-01 ph/cm2/s
90%_error_low -1.49e-01 -7.36e-02 -2.23e-02 -8.55e-03 -2.50e-01 -2.54e-01 ph/cm2/s
90%_error_hi 1.90e-01 9.42e-02 7.45e-02 5.08e-01 2.74e-01 2.84e-01 ph/cm2/s
Fluence CPL 2.15e-07 3.35e-07 3.42e-07 3.72e-07 1.06e-06 1.26e-06 erg/cm2
90%_error_low -5.15e-08 -1.20e-07 -7.88e-08 -2.71e-07 -1.82e-07 -3.42e-07 erg/cm2
90%_error_hi 4.77e-08 5.66e-08 7.97e-08 3.71e-07 1.85e-07 5.32e-07 erg/cm2
Peak flux CPL 1.39e-01 7.86e-02 N/A 2.08e-03 2.46e-01 2.46e-01 ph/cm2/s
90%_error_low -1.39e-01 -7.86e-02 -2.23e-02 -2.08e-03 -2.46e-01 N/A ph/cm2/s
90%_error_hi 1.51e-01 9.49e-02 7.45e-02 1.17e-01 2.70e-01 N/A ph/cm2/s
======================================================================
Special notes of this burst