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: Mon Jan 20 08:37:11 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger284850
======================================================================
Trigger: 00284850 Segment: 000
BAT Trigger Time: 206076032.704 [s; MET]
Trigger Stop: 206076033.216 [s; MET]
UTC: 2007-07-14T03:20:30.618220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 42.9432215418995 Dec: 30.235985840538 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.37
Image Trigger?: NO
Rate S/N Ratio: 24.454038521275 [ if not an image trigger ]
Image S/N Ratio: 12.37
Analysis Position: [ source = BAT ]
RA: 42.9432215418995 Dec: 30.235985840538 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 42.9286259990656 Dec: 30.2398419545068 [deg; J2000]
{ 02h 51m 42.9s , +30d 14' 23.4" }
+/- 1.2533164455008 [arcmin] (estimated 90% radius based on SNR)
+/- 0.431665134042676 [arcmin] (formal 1-sigma fit error)
SNR: 22.0308681298215
Angular difference between the analysis and refined position is 0.791168 arcmin
Partial Coding Fraction: 0.9609375 [ including projection effects ]
Duration
T90: 3 +/- 1.4142135623731
Measured from: -0.703999996185303
to: 2.2960000038147 [s; relative to TRIGTIME]
T50: 1 +/- 1
Measured from: 0.296000003814697
to: 1.2960000038147 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.296000003814697
to: 1.2960000038147 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.703999996185303
to: 2.2960000038147 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.186677 0.129387 0.033255 0.034524
0.009777 0.009814 0.008531 0.008561 [error]
Peak 0.113440 0.082213 0.018424 0.016212
0.006271 0.006101 0.005059 0.005037 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 3.000 -0.704 2.296
T90 3.000 -0.704 2.296
T50 1.000 0.296 1.296
Peak 1.000 0.296 1.296
====== 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 -2.563 -0.207 0.195 - - - 5.07e-03 -7.33e-04 7.32e-04 48.090 57
CPL -1.968 1.968 0.929 1.813 -1.361 -0.777 1.22e-02 -2.70e-03 2.16e-03 48.240 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 -2.576 -0.202 0.190 - - - 9.22e-03 -1.31e-03 1.31e-03 59.090 57
CPL -1.732 -0.263 1.167 10.969 N/A N/A 3.21e-02 N/A N/A 56.860 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 5.33e-08 5.17e-08 3.50e-08 3.71e-08 1.55e-07 1.77e-07 erg/cm2
90%_error_low -5.84e-09 -4.89e-09 -6.79e-09 -1.22e-08 -1.55e-08 -2.22e-08 erg/cm2
90%_error_hi 5.93e-09 4.81e-09 7.28e-09 1.61e-08 1.60e-08 2.51e-08 erg/cm2
Peak flux PL 1.08e+00 5.80e-01 1.94e-01 8.45e-02 1.90e+00 1.94e+00 ph/cm2/s
90%_error_low -1.21e-01 -5.31e-02 -3.59e-02 -2.58e-02 -1.60e-01 -1.62e-01 ph/cm2/s
90%_error_hi 1.24e-01 5.25e-02 3.79e-02 3.29e-02 1.60e-01 1.62e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -5.84e-09 -4.89e-09 -6.79e-09 -1.22e-08 -1.55e-08 -2.22e-08 erg/cm2
90%_error_hi 5.93e-09 4.81e-09 7.28e-09 1.61e-08 1.60e-08 2.51e-08 erg/cm2
Peak flux CPL 1.03e+00 6.23e-01 1.66e-01 2.16e-02 1.84e+00 1.84e+00 ph/cm2/s
90%_error_low -1.37e-01 -6.37e-02 N/A -2.16e-02 -1.71e-01 -1.73e-01 ph/cm2/s
90%_error_hi 1.30e-01 7.32e-02 N/A 3.35e-02 1.68e-01 1.71e-01 ph/cm2/s
======================================================================
Special notes of this burst