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 05:44:04 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger295779
======================================================================
Trigger: 00295779 Segment: 000
BAT Trigger Time: 215632428.928 [s; MET]
Trigger Stop: 215632430.976 [s; MET]
UTC: 2007-11-01T17:53:46.595880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 48.1935449819936 Dec: 62.4734168223862 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.51
Image Trigger?: NO
Rate S/N Ratio: 9.2736184954957 [ if not an image trigger ]
Image S/N Ratio: 6.51
Analysis Position: [ source = BAT ]
RA: 48.1935449819936 Dec: 62.4734168223862 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 48.1938288093563 Dec: 62.5433978046221 [deg; J2000]
{ 03h 12m 46.5s , +62d 32' 36.2" }
+/- 2.35401134868118 [arcmin] (estimated 90% radius based on SNR)
+/- 1.5266903466389 [arcmin] (formal 1-sigma fit error)
SNR: 8.9528911709225
Angular difference between the analysis and refined position is 4.198866 arcmin
Partial Coding Fraction: 0.9921875 [ including projection effects ]
Duration
T90: 4.824000030756 +/- 1.97251515354481
Measured from: -1.31600001454353
to: 3.50800001621246 [s; relative to TRIGTIME]
T50: 1.74799999594688 +/- 1.34750140747039
Measured from: 0.104000002145767
to: 1.85199999809265 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.208000004291534
to: 0.791999995708466 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.55200001597404
to: 3.62399998307228 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.050266 0.058764 0.022272 0.024852
0.011134 0.011638 0.010380 0.009800 [error]
Peak 0.016573 0.028180 0.012534 0.014056
0.005023 0.005290 0.004628 0.004199 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 5.176 -1.552 3.624
T90 4.824 -1.316 3.508
T50 1.748 0.104 1.852
Peak 1.000 -0.208 0.792
====== 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 -2.002 -0.471 0.409 - - - 1.47e-03 -4.71e-04 4.54e-04 37.160 57
CPL -0.823 -1.310 2.961 37.661 -37.661 -37.661 7.83e-03 -7.83e-03 6.04e-01 36.130 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 -1.524 -0.413 0.401 - - - 3.72e-03 -1.00e-03 9.80e-04 56.970 57
CPL 0.476 -2.124 3.650 51.299 -13.900 -51.299 5.30e-02 -5.30e-02 6.20e+00 54.620 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 1.56e-08 2.11e-08 2.11e-08 3.81e-08 7.02e-08 9.59e-08 erg/cm2
90%_error_low -4.46e-09 -5.06e-09 -8.63e-09 -2.34e-08 -2.02e-08 -3.59e-08 erg/cm2
90%_error_hi 4.58e-09 4.96e-09 9.41e-09 4.08e-08 2.17e-08 5.02e-08 erg/cm2
Peak flux PL 1.57e-01 1.55e-01 1.08e-01 1.19e-01 4.67e-01 5.39e-01 ph/cm2/s
90%_error_low -5.62e-02 -3.92e-02 -3.58e-02 -6.20e-02 -1.15e-01 -1.38e-01 ph/cm2/s
90%_error_hi 6.05e-02 3.90e-02 3.63e-02 9.39e-02 1.15e-01 1.42e-01 ph/cm2/s
Fluence CPL 1.48e-08 2.43e-08 1.82e-08 5.37e-09 6.14e-08 6.26e-08 erg/cm2
90%_error_low -5.05e-09 -7.15e-09 -1.15e-08 N/A -1.88e-08 -1.99e-08 erg/cm2
90%_error_hi 4.92e-09 7.57e-09 1.13e-08 N/A 2.58e-08 6.94e-08 erg/cm2
Peak flux CPL 1.30e-01 1.94e-01 1.01e-01 1.30e-02 4.38e-01 4.39e-01 ph/cm2/s
90%_error_low -6.78e-02 -5.83e-02 N/A -1.30e-02 -1.16e-01 -1.18e-01 ph/cm2/s
90%_error_hi 6.91e-02 6.19e-02 N/A 1.18e-01 1.19e-01 1.50e-01 ph/cm2/s
======================================================================
Special notes of this burst