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 Mar 4 17:50:10 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger586680
======================================================================
Trigger: 00586680 Segment: 000
BAT Trigger Time: 414130041.92 [s; MET]
Trigger Stop: 414130042.944 [s; MET]
UTC: 2014-02-15T04:07:10.273340 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 104.135942727015 Dec: 41.7803604777544 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.63
Image Trigger?: NO
Rate S/N Ratio: 58.6344608570762 [ if not an image trigger ]
Image S/N Ratio: 12.63
Analysis Position: [ source = BAT ]
RA: 104.135942727015 Dec: 41.7803604777544 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 104.131035415408 Dec: 41.7870063941203 [deg; J2000]
{ 06h 56m 31.4s , +41d 47' 13.2" }
+/- 1.11504409092991 [arcmin] (estimated 90% radius based on SNR)
+/- 0.474871573306095 [arcmin] (formal 1-sigma fit error)
SNR: 26.0350443650305
Angular difference between the analysis and refined position is 0.455202 arcmin
Partial Coding Fraction: 0.1542969 [ including projection effects ]
Duration
T90: 25.6320000290871 +/- 5.64181532462767
Measured from: -0.304000020027161
to: 25.3280000090599 [s; relative to TRIGTIME]
T50: 8.78400003910065 +/- 0.840875777678445
Measured from: 1.74399995803833
to: 10.527999997139 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0120000243186951
to: 0.987999975681305 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.47200000286102
to: 35.8560000061989 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.647878 3.072008 3.280514 1.500788
0.108582 0.122947 0.118974 0.099929 [error]
Peak 0.140164 0.302490 0.404192 0.142714
0.021060 0.027269 0.030847 0.023297 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 37.328 -1.472 35.856
T90 25.632 -0.304 25.328
T50 8.784 1.744 10.528
Peak 1.000 -0.012 0.988
====== 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 -1.099 -0.072 0.073 - - - 1.86e-02 -7.65e-04 7.63e-04 53.370 57
CPL -1.098 -0.069 0.135 9999.360 -9999.360 -9999.360 1.86e-02 -7.44e-04 3.36e-03 53.440 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 -0.928 -0.145 0.148 - - - 6.88e-02 -6.21e-03 6.18e-03 56.570 57
CPL -0.613 -0.384 0.610 268.666 -268.666 -268.666 9.38e-02 -2.95e-02 7.17e-02 55.600 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 6.08e-07 1.43e-06 2.67e-06 1.20e-05 7.24e-06 1.67e-05 erg/cm2
90%_error_low -5.28e-08 -7.48e-08 -1.15e-07 -1.18e-06 -3.00e-07 -1.22e-06 erg/cm2
90%_error_hi 5.46e-08 7.43e-08 1.14e-07 1.26e-06 3.00e-07 1.30e-06 erg/cm2
Peak flux PL 4.75e-04 5.86e-03 6.68e-02 5.81e+00 3.00e-01 5.81e+00 ph/cm2/s
90%_error_low -4.07e-05 -4.79e-04 -5.94e-03 -5.19e-01 -2.43e-02 -4.60e-01 ph/cm2/s
90%_error_hi 3.02e-04 3.26e-03 3.01e-02 1.79e+00 1.28e-01 1.92e+00 ph/cm2/s
Fluence CPL 6.22e-07 1.43e-06 2.64e-06 1.31e-05 7.27e-06 1.80e-05 erg/cm2
90%_error_low N/A -8.76e-08 N/A N/A -3.25e-07 N/A erg/cm2
90%_error_hi N/A 9.14e-08 N/A N/A 2.75e-07 N/A erg/cm2
Peak flux CPL 1.50e+00 2.36e+00 2.56e+00 3.58e+00 7.85e+00 1.00e+01 ph/cm2/s
90%_error_low -3.63e-01 -2.77e-01 -3.00e-01 -1.34e+00 -7.21e-01 -1.53e+00 ph/cm2/s
90%_error_hi 3.64e-01 2.80e-01 3.10e-01 1.50e+00 7.21e-01 1.74e+00 ph/cm2/s
======================================================================
Special notes of this burst