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: Fri Jan 17 15:20:12 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger437016
======================================================================
Trigger: 00437016 Segment: 000
BAT Trigger Time: 309613176.128 [s; MET]
Trigger Stop: 309613176.384 [s; MET]
UTC: 2010-10-24T11:39:29.826060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 66.4748790740036 Dec: -77.2476285132087 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.55
Image Trigger?: NO
Rate S/N Ratio: 29.698484809835 [ if not an image trigger ]
Image S/N Ratio: 11.55
Analysis Position: [ source = BAT ]
RA: 66.4748790740036 Dec: -77.2476285132087 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 66.4759508348627 Dec: -77.2567240509178 [deg; J2000]
{ 04h 25m 54.2s , -77d 15' 24.2" }
+/- 0.822249953305904 [arcmin] (estimated 90% radius based on SNR)
+/- 0.234548864085115 [arcmin] (formal 1-sigma fit error)
SNR: 40.2292041182374
Angular difference between the analysis and refined position is 0.545917 arcmin
Partial Coding Fraction: 0.765625 [ including projection effects ]
Duration
T90: 18.6919999718666 +/- 0.515379460158422
Measured from: 0.131999969482422
to: 18.823999941349 [s; relative to TRIGTIME]
T50: 8.83199995756149 +/- 4.80167675503301
Measured from: 2.04399996995926
to: 10.8759999275208 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 9.39199995994568
to: 10.3919999599457 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.252000033855438
to: 20.1279999613762 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.831374 1.037085 0.653320 0.071882
0.030759 0.032190 0.027689 0.022438 [error]
Peak 0.162509 0.270582 0.200071 0.038624
0.008779 0.010136 0.009212 0.006172 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 20.380 -0.252 20.128
T90 18.692 0.132 18.824
T50 8.832 2.044 10.876
Peak 1.000 9.392 10.392
====== 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: CPL)
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 -1.835 -0.072 0.071 - - - 8.18e-03 -3.39e-04 3.38e-04 65.860 57
CPL -1.152 -0.299 0.321 60.344 -6.946 12.169 1.82e-02 -5.28e-03 8.14e-03 49.300 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
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 -1.529 -0.073 0.072 - - - 4.50e-02 -2.06e-03 2.06e-03 77.530 57
CPL -0.422 -0.338 0.367 72.126 -7.291 11.252 1.61e-01 -5.09e-02 8.23e-02 40.740 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 2.92e-07 4.37e-07 4.90e-07 1.04e-06 1.53e-06 2.26e-06 erg/cm2
90%_error_low -1.89e-08 -1.74e-08 -2.72e-08 -1.17e-07 -6.41e-08 -1.41e-07 erg/cm2
90%_error_hi 1.93e-08 1.74e-08 2.72e-08 1.27e-07 6.43e-08 1.48e-07 erg/cm2
Peak flux PL 1.91e+00 1.89e+00 1.31e+00 1.43e+00 5.67e+00 6.53e+00 ph/cm2/s
90%_error_low -1.41e-01 -9.06e-02 -7.26e-02 -1.51e-01 -2.61e-01 -2.95e-01 ph/cm2/s
90%_error_hi 1.44e-01 9.03e-02 7.24e-02 1.61e-01 2.61e-01 2.95e-01 ph/cm2/s
Fluence CPL 2.59e-07 4.64e-07 5.02e-07 4.24e-07 1.45e-06 1.65e-06 erg/cm2
90%_error_low -2.29e-08 -2.10e-08 -2.99e-08 -1.25e-07 -7.19e-08 -1.45e-07 erg/cm2
90%_error_hi 2.34e-08 2.12e-08 3.00e-08 1.86e-07 7.23e-08 1.97e-07 erg/cm2
Peak flux CPL 1.55e+00 2.08e+00 1.43e+00 5.36e-01 5.44e+00 5.60e+00 ph/cm2/s
90%_error_low -1.69e-01 -1.11e-01 -8.74e-02 -1.32e-01 -2.69e-01 -3.03e-01 ph/cm2/s
90%_error_hi 1.73e-01 1.12e-01 8.83e-02 1.70e-01 2.69e-01 3.13e-01 ph/cm2/s
======================================================================