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 12 03:25:53 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger555600
======================================================================
Trigger: 00555600 Segment: 000
BAT Trigger Time: 389964657.984 [s; MET]
Trigger Stop: 389964658.496 [s; MET]
UTC: 2013-05-11T11:30:47.441540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 196.638702463752 Dec: 18.6976486270083 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.07
Image Trigger?: NO
Rate S/N Ratio: 17.0293863659264 [ if not an image trigger ]
Image S/N Ratio: 9.07
Analysis Position: [ source = BAT ]
RA: 196.638702463752 Dec: 18.6976486270083 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 196.647862245518 Dec: 18.6927658786719 [deg; J2000]
{ 13h 06m 35.5s , +18d 41' 34.0" }
+/- 1.93788954164244 [arcmin] (estimated 90% radius based on SNR)
+/- 0.887382560638733 [arcmin] (formal 1-sigma fit error)
SNR: 11.8208403788463
Angular difference between the analysis and refined position is 0.597362 arcmin
Partial Coding Fraction: 0.5703125 [ including projection effects ]
Duration
T90: 2.7399999499321 +/- 0.397854255722736
Measured from: -0.0120000243186951
to: 2.7279999256134 [s; relative to TRIGTIME]
T50: 1.87199991941452 +/- 0.397854255722736
Measured from: 0.175999999046326
to: 2.04799991846085 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0860000252723694
to: 0.913999974727631 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0720000267028809
to: 2.83199995756149 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.090618 0.086440 0.086362 0.039342
0.013742 0.014342 0.012778 0.011516 [error]
Peak 0.050412 0.060474 0.048483 0.010733
0.008424 0.009037 0.008097 0.007046 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 2.904 -0.072 2.832
T90 2.740 -0.012 2.728
T50 1.872 0.176 2.048
Peak 1.000 -0.086 0.914
====== 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 -1.359 -0.279 0.280 - - - 6.13e-03 -9.53e-04 9.47e-04 53.880 57
CPL -1.325 -1.379 0.877 982.396 -982.396 -982.396 6.39e-03 -1.19e-03 -6.39e-03 53.920 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 -1.441 -0.280 0.280 - - - 1.03e-02 -1.73e-03 1.72e-03 65.080 57
CPL -1.285 N/A N/A 215.052 N/A N/A 1.25e-02 N/A N/A 65.000 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 1.99e-08 3.99e-08 6.23e-08 2.14e-07 1.74e-07 3.36e-07 erg/cm2
90%_error_low -5.30e-09 -6.62e-09 -1.26e-08 -8.10e-08 -3.03e-08 -9.22e-08 erg/cm2
90%_error_hi 5.65e-09 6.49e-09 1.24e-08 1.11e-07 3.08e-08 1.17e-07 erg/cm2
Peak flux PL 4.00e-01 4.16e-01 3.07e-01 3.64e-01 1.26e+00 1.49e+00 ph/cm2/s
90%_error_low -1.06e-01 -7.20e-02 -6.49e-02 -1.35e-01 -2.07e-01 -2.49e-01 ph/cm2/s
90%_error_hi 1.12e-01 7.11e-02 6.42e-02 1.78e-01 2.07e-01 2.54e-01 ph/cm2/s
Fluence CPL 2.01e-08 3.97e-08 6.20e-08 2.23e-07 1.74e-07 3.23e-07 erg/cm2
90%_error_low -6.05e-09 -6.59e-09 -1.27e-08 -1.64e-07 -3.25e-08 -1.45e-07 erg/cm2
90%_error_hi 5.67e-09 7.03e-09 1.34e-08 4.74e-08 2.22e-08 1.24e-07 erg/cm2
Peak flux CPL 3.92e-01 4.25e-01 3.10e-01 2.92e-01 1.26e+00 1.42e+00 ph/cm2/s
90%_error_low -1.17e-01 -7.86e-02 -6.70e-02 -2.92e-01 -2.10e-01 -3.16e-01 ph/cm2/s
90%_error_hi 1.15e-01 9.02e-02 6.97e-02 1.53e-01 2.10e-01 3.16e-01 ph/cm2/s
======================================================================
Special notes of this burst