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: Wed Jan 22 20:54:57 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger150532
======================================================================
Trigger: 00150532 Segment: 000
BAT Trigger Time: 145819518.4 [s; MET]
Trigger Stop: 145819520.448 [s; MET]
UTC: 2005-08-15T17:25:18.723840 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 293.574656755954 Dec: 9.16636481502104 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.78
Image Trigger?: NO
Rate S/N Ratio: 12.6095202129185 [ if not an image trigger ]
Image S/N Ratio: 8.78
Analysis Position: [ source = BAT ]
RA: 293.574656755954 Dec: 9.16636481502104 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 293.586029591279 Dec: 9.13916585505451 [deg; J2000]
{ 19h 34m 20.6s , +09d 08' 21.0" }
+/- 2.02346551917523 [arcmin] (estimated 90% radius based on SNR)
+/- 1.05251402914945 [arcmin] (formal 1-sigma fit error)
SNR: 11.1131878127321
Angular difference between the analysis and refined position is 1.765522 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 2.99200001358986 +/- 0.614751980694982
Measured from: -0.527999997138977
to: 2.46400001645088 [s; relative to TRIGTIME]
T50: 1.57600000500679 +/- 0.455385567529134
Measured from: 0.167999982833862
to: 1.74399998784065 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0999999940395355
to: 0.900000005960464 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.72800001502037
to: 2.72400000691414 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.061182 0.081721 0.038575 0.007388
0.009620 0.009637 0.008107 0.006604 [error]
Peak 0.022093 0.026531 0.018884 0.004788
0.005127 0.005140 0.004431 0.003492 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 3.452 -0.728 2.724
T90 2.992 -0.528 2.464
T50 1.576 0.168 1.744
Peak 1.000 -0.100 0.900
====== 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 -1.815 -0.249 0.236 - - - 3.09e-03 -5.34e-04 5.24e-04 62.540 57
CPL 0.405 -1.333 1.720 43.627 -6.993 11.636 6.21e-02 -6.21e-02 5.74e-01 53.330 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 -1.637 -0.361 0.344 - - - 4.15e-03 -9.73e-04 9.51e-04 35.740 57
CPL -0.319 -1.365 2.213 55.718 -12.787 -55.718 2.27e-02 -2.27e-02 3.84e-01 33.590 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 1.83e-08 2.78e-08 3.16e-08 6.85e-08 9.82e-08 1.46e-07 erg/cm2
90%_error_low -3.60e-09 -4.05e-09 -7.08e-09 -2.59e-08 -1.69e-08 -3.49e-08 erg/cm2
90%_error_hi 3.70e-09 4.04e-09 7.27e-09 3.46e-08 1.74e-08 4.17e-08 erg/cm2
Peak flux PL 1.95e-01 1.81e-01 1.16e-01 1.15e-01 5.40e-01 6.08e-01 ph/cm2/s
90%_error_low -5.94e-02 -3.86e-02 -3.40e-02 -5.43e-02 -1.14e-01 -1.31e-01 ph/cm2/s
90%_error_hi 6.34e-02 3.84e-02 3.43e-02 7.73e-02 1.14e-01 1.33e-01 ph/cm2/s
Fluence CPL 1.55e-08 3.56e-08 2.69e-08 4.22e-09 8.18e-08 8.23e-08 erg/cm2
90%_error_low -4.25e-09 -6.01e-09 -9.56e-09 -3.51e-09 -1.48e-08 -1.52e-08 erg/cm2
90%_error_hi 4.26e-09 6.17e-09 9.57e-09 1.40e-08 1.72e-08 2.06e-08 erg/cm2
Peak flux CPL 1.68e-01 2.10e-01 1.18e-01 2.72e-02 5.18e-01 5.24e-01 ph/cm2/s
90%_error_low -6.91e-02 -5.14e-02 -4.50e-02 -2.72e-02 -1.15e-01 -1.20e-01 ph/cm2/s
90%_error_hi 7.13e-02 5.52e-02 4.12e-02 1.12e-01 1.16e-01 1.44e-01 ph/cm2/s
======================================================================
Special notes of this burst