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 23:46:54 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger536831
======================================================================
Trigger: 00536831 Segment: 000
BAT Trigger Time: 373015959.552 [s; MET]
Trigger Stop: 373015960.576 [s; MET]
UTC: 2012-10-27T07:32:29.746680 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 63.6104836572932 Dec: -58.8014814868824 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.88
Image Trigger?: NO
Rate S/N Ratio: 13.8202749610853 [ if not an image trigger ]
Image S/N Ratio: 7.88
Analysis Position: [ source = BAT ]
RA: 63.6104836572932 Dec: -58.8014814868824 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 63.5952048806683 Dec: -58.8334460657927 [deg; J2000]
{ 04h 14m 22.8s , -58d 50' 00.4" }
+/- 0.908337518372024 [arcmin] (estimated 90% radius based on SNR)
+/- 0.318947753563983 [arcmin] (formal 1-sigma fit error)
SNR: 34.8951574009833
Angular difference between the analysis and refined position is 1.975737 arcmin
Partial Coding Fraction: 0.8046875 [ including projection effects ]
Duration
T90: 80.0879999399185 +/- 40.7568951405407
Measured from: -4.54799997806549
to: 75.539999961853 [s; relative to TRIGTIME]
T50: 39.9239999651909 +/- 6.52294532357254
Measured from: 3.37999999523163
to: 43.3039999604225 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 2
to: 3 [s; relative to TRIGTIME]
Total Fluence
Measured from: -9.33999997377396
to: 135.356000006199 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.355095 1.537651 0.921238 0.205047
0.066073 0.068031 0.059614 0.051341 [error]
Peak 0.058193 0.057845 0.035330 0.013256
0.006494 0.006802 0.006068 0.004820 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 144.696 -9.340 135.356
T90 80.088 -4.548 75.540
T50 39.924 3.380 43.304
Peak 1.000 2.000 3.000
====== 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 -1.813 -0.103 0.102 - - - 1.65e-03 -9.92e-05 9.83e-05 45.290 57
CPL -1.580 -0.341 0.413 82.462 -32.413 -82.462 2.20e-03 -6.27e-04 1.43e-03 44.200 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 -1.667 -0.246 0.239 - - - 9.85e-03 -1.40e-03 1.36e-03 57.560 57
CPL -1.680 -0.234 0.274 9999.350 -9999.340 -9999.350 9.82e-03 -8.35e-03 -2.73e-03 57.580 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 4.10e-07 6.23e-07 7.09e-07 1.54e-06 2.20e-06 3.28e-06 erg/cm2
90%_error_low -3.52e-08 -3.33e-08 -5.85e-08 -2.51e-07 -1.34e-07 -3.06e-07 erg/cm2
90%_error_hi 3.60e-08 3.33e-08 5.88e-08 2.83e-07 1.35e-07 3.31e-07 erg/cm2
Peak flux PL 4.76e-01 4.34e-01 2.73e-01 2.63e-01 1.29e+00 1.45e+00 ph/cm2/s
90%_error_low -9.66e-02 -5.51e-02 -5.17e-02 -8.88e-02 -1.62e-01 -1.84e-01 ph/cm2/s
90%_error_hi 1.01e-01 5.48e-02 5.13e-02 1.14e-01 1.62e-01 1.86e-01 ph/cm2/s
Fluence CPL 4.19e-07 5.66e-07 5.88e-07 1.37e-06 1.95e-06 2.70e-06 erg/cm2
90%_error_low -4.01e-08 -5.26e-08 -5.82e-08 -8.11e-07 -1.75e-07 N/A erg/cm2
90%_error_hi 2.55e-08 2.53e-08 5.35e-08 2.46e-07 1.70e-07 N/A erg/cm2
Peak flux CPL 4.39e-01 3.37e-01 1.81e-01 1.67e-01 1.02e+00 1.12e+00 ph/cm2/s
90%_error_low -1.17e-01 -8.42e-02 -2.70e-02 -4.14e-02 -2.45e-01 -2.18e-01 ph/cm2/s
90%_error_hi 1.05e-01 6.63e-02 2.54e-02 3.29e-02 1.91e-01 1.77e-01 ph/cm2/s
======================================================================
Special notes of this burst