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: Fri Jan 17 19:44:54 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger412982
======================================================================
Trigger: 00412982 Segment: 000
BAT Trigger Time: 288285352 [s; MET]
Trigger Stop: 288285416 [s; MET]
UTC: 2010-02-19T15:15:46.455360 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 154.220640694763 Dec: -12.559076333116 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.44
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.44
Analysis Position: [ source = BAT ]
RA: 154.220640694763 Dec: -12.559076333116 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 154.185828031436 Dec: -12.5637164236549 [deg; J2000]
{ 10h 16m 44.6s , -12d 33' 49.4" }
+/- 2.23183072667931 [arcmin] (estimated 90% radius based on SNR)
+/- 1.20648166159209 [arcmin] (formal 1-sigma fit error)
SNR: 9.66119563606363
Angular difference between the analysis and refined position is 2.057683 arcmin
Partial Coding Fraction: 0.7109375 [ including projection effects ]
Duration
T90: 27.5719999670982 +/- 8.64985226233539
Measured from: 20.1159999966621
to: 47.6879999637604 [s; relative to TRIGTIME]
T50: 13.2919999361038 +/- 6.21360185442746
Measured from: 22.7919999957085
to: 36.0839999318123 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 31.8920000195503
to: 32.8920000195503 [s; relative to TRIGTIME]
Total Fluence
Measured from: 12.7879999876022
to: 51.8199999928474 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.146150 0.286497 0.216678 0.039743
0.034302 0.035392 0.031521 0.027488 [error]
Peak 0.010795 0.020475 0.014503 0.004640
0.005442 0.005671 0.005044 0.004274 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 39.032 12.788 51.820
T90 27.572 20.116 47.688
T50 13.292 22.792 36.084
Peak 1.000 31.892 32.892
====== 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: 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 -1.330 -0.250 0.252 - - - 1.21e-03 -1.77e-04 1.77e-04 73.480 57
CPL -0.890 -0.644 1.090 129.147 -129.147 -129.147 2.01e-03 N/A N/A 72.780 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 -1.426 -0.612 0.631 - - - 3.28e-03 -1.12e-03 1.09e-03 69.490 57
CPL -1.435 -0.603 0.646 9999.350 -9999.350 -9999.350 3.27e-03 -3.27e-03 1.82e-01 69.490 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 5.16e-08 1.05e-07 1.67e-07 5.92e-07 4.65e-07 9.16e-07 erg/cm2
90%_error_low -1.28e-08 -1.67e-08 -3.06e-08 -2.04e-07 -7.54e-08 -2.31e-07 erg/cm2
90%_error_hi 1.37e-08 1.64e-08 3.03e-08 2.69e-07 7.64e-08 2.85e-07 erg/cm2
Peak flux PL 1.26e-01 1.32e-01 9.84e-02 1.18e-01 4.02e-01 4.75e-01 ph/cm2/s
90%_error_low -6.72e-02 -4.80e-02 -4.20e-02 -7.75e-02 -1.33e-01 -1.59e-01 ph/cm2/s
90%_error_hi 7.61e-02 4.58e-02 4.11e-02 1.44e-01 1.33e-01 1.64e-01 ph/cm2/s
Fluence CPL 4.77e-08 1.10e-07 1.73e-07 3.13e-07 4.50e-07 6.44e-07 erg/cm2
90%_error_low -1.50e-08 -1.93e-08 -3.31e-08 -2.21e-07 -8.28e-08 -2.37e-07 erg/cm2
90%_error_hi 1.56e-08 2.03e-08 3.41e-08 5.30e-07 8.22e-08 3.72e-07 erg/cm2
Peak flux CPL 1.30e-01 1.30e-01 9.71e-02 1.18e-01 4.03e-01 4.78e-01 ph/cm2/s
90%_error_low N/A -4.82e-02 -4.08e-02 N/A -1.34e-01 -1.93e-01 ph/cm2/s
90%_error_hi N/A 5.13e-02 4.30e-02 N/A 1.32e-01 1.48e-01 ph/cm2/s
======================================================================
Special notes of this burst