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 12:05:46 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger255029
======================================================================
Trigger: 00255029 Segment: 000
BAT Trigger Time: 189864320 [s; MET]
Trigger Stop: 189864416 [s; MET]
UTC: 2007-01-07T12:05:18.316420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 159.407793776817 Dec: -53.207754632713 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 17.29
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 17.29
Analysis Position: [ source = BAT ]
RA: 159.407793776817 Dec: -53.207754632713 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 159.425490693158 Dec: -53.2065285925257 [deg; J2000]
{ 10h 37m 42.1s , -53d 12' 23.5" }
+/- 1.19127676496544 [arcmin] (estimated 90% radius based on SNR)
+/- 0.453545268367258 [arcmin] (formal 1-sigma fit error)
SNR: 23.6880248308494
Angular difference between the analysis and refined position is 0.640187 arcmin
Partial Coding Fraction: 0.5390625 [ including projection effects ]
Duration
T90: 370.299999982119 +/- 45.6328837409909
Measured from: -15.5679999887943
to: 354.731999993324 [s; relative to TRIGTIME]
T50: 43.0120000243187 +/- 6.02942386236866
Measured from: -5.49200001358986
to: 37.5200000107288 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -7.24000000953674
to: -6.24000000953674 [s; relative to TRIGTIME]
Total Fluence
Measured from: -20.5079999864101
to: 465.324000000954 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.991942 2.584329 2.422122 1.117193
0.125282 0.129398 0.113595 0.100410 [error]
Peak 0.038051 0.084101 0.092730 0.038397
0.008321 0.009158 0.008818 0.007569 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 485.832 -20.508 465.324
T90 370.300 -15.568 354.732
T50 43.012 -5.492 37.520
Peak 1.000 -7.240 -6.240
====== 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 -1.266 -0.095 0.096 - - - 1.11e-03 -5.45e-05 5.44e-05 60.020 57
CPL -1.266 -0.092 0.101 9999.350 -9999.350 -9999.350 1.11e-03 -5.43e-05 1.21e-04 60.130 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 -0.960 -0.200 0.209 - - - 1.72e-02 -1.95e-03 1.92e-03 56.450 57
CPL -0.952 -0.204 0.209 9999.000 -9999.000 -9999.000 1.73e-02 -1.91e-03 8.01e-03 56.480 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 5.52e-07 1.17e-06 1.95e-06 7.36e-06 5.36e-06 1.10e-05 erg/cm2
90%_error_low -5.78e-08 -7.16e-08 -1.12e-07 -9.64e-07 -2.79e-07 -1.02e-06 erg/cm2
90%_error_hi 6.01e-08 7.09e-08 1.11e-07 1.07e-06 2.80e-07 1.10e-06 erg/cm2
Peak flux PL 4.23e-01 5.89e-01 6.05e-01 1.14e+00 1.98e+00 2.75e+00 ph/cm2/s
90%_error_low -1.01e-01 -8.91e-02 -6.83e-02 -2.67e-01 -2.26e-01 -3.16e-01 ph/cm2/s
90%_error_hi 1.11e-01 8.70e-02 6.77e-02 3.22e-01 2.27e-01 3.26e-01 ph/cm2/s
Fluence CPL 5.51e-07 1.16e-06 1.91e-06 7.45e-06 5.40e-06 1.08e-05 erg/cm2
90%_error_low -5.80e-08 -6.30e-08 -7.58e-08 -1.76e-06 -3.16e-07 -1.12e-06 erg/cm2
90%_error_hi 6.01e-08 7.96e-08 1.47e-07 1.27e-06 2.43e-07 1.27e-06 erg/cm2
Peak flux CPL 4.23e-01 5.89e-01 6.05e-01 1.25e+00 1.98e+00 2.76e+00 ph/cm2/s
90%_error_low N/A -8.94e-02 N/A N/A -2.26e-01 -4.52e-01 ph/cm2/s
90%_error_hi N/A 8.69e-02 N/A N/A 2.27e-01 1.63e-01 ph/cm2/s
======================================================================
Special notes of this burst