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 05:16:06 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger297628
======================================================================
Trigger: 00297628 Segment: 000
BAT Trigger Time: 217987437.696 [s; MET]
Trigger Stop: 217987441.792 [s; MET]
UTC: 2007-11-29T00:03:55.301720 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 220.089670547025 Dec: -26.6590902014323 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.85
Image Trigger?: NO
Rate S/N Ratio: 11.5325625946708 [ if not an image trigger ]
Image S/N Ratio: 11.85
Analysis Position: [ source = BAT ]
RA: 220.089670547025 Dec: -26.6590902014323 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 220.048957876435 Dec: -26.6699762684598 [deg; J2000]
{ 14h 40m 11.7s , -26d 40' 11.9" }
+/- 2.06367015489598 [arcmin] (estimated 90% radius based on SNR)
+/- 1.06871041757118 [arcmin] (formal 1-sigma fit error)
SNR: 10.8051863397994
Angular difference between the analysis and refined position is 2.278593 arcmin
Partial Coding Fraction: 0.5546875 [ including projection effects ]
Duration
T90: 408.080000013113 +/- 52.3240852031849
Measured from: -0.412000000476837
to: 407.668000012636 [s; relative to TRIGTIME]
T50: 186.136000007391 +/- 23.5661112465353
Measured from: 15.6359999775887
to: 201.77199998498 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 5.82799997925758
to: 6.82799997925758 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.64000001549721
to: 465.079999983311 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.227064 2.595751 1.522351 0.171889
0.151452 0.156152 0.139981 0.133959 [error]
Peak 0.031898 0.026211 0.049538 0.013780
0.007360 0.007821 0.007235 0.006424 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 470.720 -5.640 465.080
T90 408.080 -0.412 407.668
T50 186.136 15.636 201.772
Peak 1.000 5.828 6.828
====== 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 -1.860 -0.139 0.135 - - - 8.48e-04 -7.22e-05 7.11e-05 60.190 57
CPL -1.473 -0.473 0.588 59.318 -14.483 -59.318 1.40e-03 -5.93e-04 1.55e-03 58.580 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 -1.267 -0.364 0.364 - - - 7.80e-03 -1.53e-03 1.53e-03 65.150 57
CPL -1.122 -2.424 1.620 334.761 -334.761 -334.761 9.10e-03 -2.81e-03 3.45e-02 65.200 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 7.16e-07 1.06e-06 1.16e-06 2.41e-06 3.67e-06 5.35e-06 erg/cm2
90%_error_low -7.77e-08 -7.53e-08 -1.36e-07 -5.30e-07 -3.10e-07 -6.73e-07 erg/cm2
90%_error_hi 7.97e-08 7.54e-08 1.37e-07 6.25e-07 3.15e-07 7.47e-07 erg/cm2
Peak flux PL 2.57e-01 2.97e-01 2.47e-01 3.45e-01 9.25e-01 1.15e+00 ph/cm2/s
90%_error_low -9.07e-02 -6.78e-02 -5.99e-02 -1.50e-01 -1.85e-01 -2.35e-01 ph/cm2/s
90%_error_hi 1.02e-01 6.56e-02 5.81e-02 2.10e-01 1.85e-01 2.43e-01 ph/cm2/s
Fluence CPL 6.86e-07 1.10e-06 1.15e-06 1.23e-06 3.52e-06 4.17e-06 erg/cm2
90%_error_low -8.82e-08 -9.70e-08 -1.49e-07 -6.98e-07 -3.66e-07 -8.08e-07 erg/cm2
90%_error_hi 8.88e-08 9.96e-08 1.46e-07 1.38e-06 3.74e-07 1.47e-06 erg/cm2
Peak flux CPL 2.61e-01 2.97e-01 2.46e-01 3.49e-01 9.26e-01 1.15e+00 ph/cm2/s
90%_error_low -1.30e-01 -6.74e-02 -5.88e-02 N/A -1.96e-01 -3.64e-01 ph/cm2/s
90%_error_hi 9.74e-02 7.36e-02 7.09e-02 N/A 1.84e-01 2.20e-01 ph/cm2/s
======================================================================
Special notes of this burst