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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Mon Jan 20 08:56:35 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger282445
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Trigger: 00282445 Segment: 000
BAT Trigger Time: 203704176 [s; MET]
Trigger Stop: 203704240 [s; MET]
UTC: 2007-06-16T16:29:33.974040 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 32.1553533187329 Dec: 56.9481781851878 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.92
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.92
Analysis Position: [ source = BAT ]
RA: 32.1553533187329 Dec: 56.9481781851878 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 32.0873325021319 Dec: 56.9553496039486 [deg; J2000]
{ 02h 08m 21.0s , +56d 57' 19.3" }
+/- 2.60161168691881 [arcmin] (estimated 90% radius based on SNR)
+/- 1.62368304149754 [arcmin] (formal 1-sigma fit error)
SNR: 7.76094926712883
Angular difference between the analysis and refined position is 2.266900 arcmin
Partial Coding Fraction: 0.609375 [ including projection effects ]
Duration
T90: 406.875999987125 +/- 17.313424148776
Measured from: 88.580000013113
to: 495.456000000238 [s; relative to TRIGTIME]
T50: 203.879999995232 +/- 5.36175794195104
Measured from: 160.780000001192
to: 364.659999996424 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 139.743999987841
to: 140.743999987841 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.52799999713898
to: 602.395999997854 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 9.610418 12.574998 9.055223 2.091862
0.125655 0.132345 0.120431 0.110638 [error]
Peak 0.060124 0.087236 0.081495 0.029505
0.005470 0.006057 0.005867 0.005000 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 608.924 -6.528 602.396
T90 406.876 88.580 495.456
T50 203.880 160.780 364.660
Peak 1.000 139.744 140.744
====== 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 -1.593 -0.035 0.035 - - - 3.45e-03 -5.94e-05 5.94e-05 35.680 57
CPL -1.471 -0.132 0.142 245.032 -101.298 -245.032 3.90e-03 -4.67e-04 5.88e-04 33.430 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 -1.206 -0.131 0.132 - - - 1.64e-02 -1.18e-03 1.18e-03 51.670 57
CPL -1.207 -0.127 0.137 9999.360 -9999.360 -9999.360 1.64e-02 -1.15e-03 5.82e-03 51.700 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 2.93e-06 5.08e-06 6.74e-06 1.82e-05 1.97e-05 3.30e-05 erg/cm2
90%_error_low -1.09e-07 -1.08e-07 -1.41e-07 -8.96e-07 -3.45e-07 -9.50e-07 erg/cm2
90%_error_hi 1.11e-07 1.07e-07 1.41e-07 9.29e-07 3.45e-07 9.73e-07 erg/cm2
Peak flux PL 5.08e-01 6.10e-01 5.28e-01 7.83e-01 1.92e+00 2.43e+00 ph/cm2/s
90%_error_low -6.90e-02 -5.05e-02 -4.67e-02 -1.40e-01 -1.40e-01 -1.90e-01 ph/cm2/s
90%_error_hi 7.18e-02 4.99e-02 4.62e-02 1.58e-01 1.40e-01 1.94e-01 ph/cm2/s
Fluence CPL 2.83e-06 5.10e-06 6.80e-06 1.56e-05 1.95e-05 3.03e-05 erg/cm2
90%_error_low -1.50e-07 -1.11e-07 -1.57e-07 -2.49e-06 -3.99e-07 -2.53e-06 erg/cm2
90%_error_hi 1.53e-07 1.11e-07 1.58e-07 2.68e-06 2.00e-07 2.89e-06 erg/cm2
Peak flux CPL 5.08e-01 6.10e-01 5.29e-01 7.79e-01 1.92e+00 2.43e+00 ph/cm2/s
90%_error_low N/A N/A N/A N/A -1.40e-01 N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A 1.40e-01 N/A ph/cm2/s
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