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 Oct 5 00:42:23 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger589590
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Trigger: 00589590 Segment: 000
BAT Trigger Time: 415380301.184 [s; MET]
Trigger Stop: 415380303.232 [s; MET]
UTC: 2014-03-01T15:24:49.478320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 69.5477390229074 Dec: -34.2830325341323 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.65
Image Trigger?: NO
Rate S/N Ratio: 10.3923048454133 [ if not an image trigger ]
Image S/N Ratio: 7.65
Analysis Position: [ source = BAT ]
RA: 69.5477390229074 Dec: -34.2830325341323 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 69.5267468553023 Dec: -34.2365775751088 [deg; J2000]
{ 04h 38m 06.4s , -34d 14' 11.7" }
+/- 1.90843045212268 [arcmin] (estimated 90% radius based on SNR)
+/- 0.877800840558079 [arcmin] (formal 1-sigma fit error)
SNR: 12.0823714480052
Angular difference between the analysis and refined position is 2.975348 arcmin
Partial Coding Fraction: 0.6640625 [ including projection effects ]
Duration
T90: 27.8039999008179 +/- 8.38857342278462
Measured from: -7.7039999961853
to: 20.0999999046326 [s; relative to TRIGTIME]
T50: 16.6399999260902 +/- 6.69979853960238
Measured from: -4.24000000953674
to: 12.3999999165535 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.107999980449677
to: 1.10799998044968 [s; relative to TRIGTIME]
Total Fluence
Measured from: -19.2200000286102
to: 21.5799999833107 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.321096 0.341028 0.169276 0.079474
0.040278 0.041764 0.036117 0.030574 [error]
Peak 0.032470 0.030294 0.028857 0.015491
0.006649 0.007117 0.006044 0.004975 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 40.800 -19.220 21.580
T90 27.804 -7.704 20.100
T50 16.640 -4.240 12.400
Peak 1.000 0.108 1.108
====== 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 -1.963 -0.286 0.266 - - - 1.21e-03 -2.25e-04 2.17e-04 62.000 57
CPL -2.027 -0.339 0.762 14.883 N/A N/A 1.10e-03 N/A N/A 61.850 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 -1.444 -0.367 0.365 - - - 6.59e-03 -1.34e-03 1.32e-03 68.620 57
CPL -1.448 -0.362 0.918 9999.350 -9999.350 -9999.350 6.61e-03 -1.34e-03 9.20e-03 68.620 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 9.77e-08 1.36e-07 1.39e-07 2.60e-07 4.55e-07 6.33e-07 erg/cm2
90%_error_low -1.90e-08 -1.91e-08 -3.46e-08 -1.09e-07 -7.86e-08 -1.52e-07 erg/cm2
90%_error_hi 1.94e-08 1.90e-08 3.57e-08 1.54e-07 8.11e-08 1.87e-07 erg/cm2
Peak flux PL 2.57e-01 2.68e-01 1.97e-01 2.33e-01 8.12e-01 9.55e-01 ph/cm2/s
90%_error_low -8.73e-02 -5.84e-02 -5.10e-02 -1.05e-01 -1.63e-01 -1.92e-01 ph/cm2/s
90%_error_hi 9.51e-02 5.67e-02 4.95e-02 1.48e-01 1.63e-01 1.95e-01 ph/cm2/s
Fluence CPL 9.57e-08 1.26e-07 1.22e-07 2.93e-07 4.25e-07 6.21e-07 erg/cm2
90%_error_low N/A -5.36e-08 -8.63e-08 N/A N/A -9.47e-08 erg/cm2
90%_error_hi N/A 2.91e-08 3.51e-08 N/A N/A 9.21e-08 erg/cm2
Peak flux CPL 2.65e-01 2.68e-01 1.93e-01 2.59e-01 8.18e-01 9.91e-01 ph/cm2/s
90%_error_low N/A N/A -1.93e-01 N/A N/A -3.15e-01 ph/cm2/s
90%_error_hi N/A N/A -1.03e-03 N/A N/A 2.00e-01 ph/cm2/s
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