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 16:05:00 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger434178
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Trigger: 00434178 Segment: 000
BAT Trigger Time: 306207072 [s; MET]
Trigger Stop: 306207136 [s; MET]
UTC: 2010-09-15T01:31:05.822060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 315.648430088771 Dec: 65.6666778587913 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.67
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 8.67
Analysis Position: [ source = BAT ]
RA: 315.648430088771 Dec: 65.6666778587913 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 315.668971063575 Dec: 65.6831438613723 [deg; J2000]
{ 21h 02m 40.6s , +65d 40' 59.3" }
+/- 1.96083564054061 [arcmin] (estimated 90% radius based on SNR)
+/- 1.00571384314772 [arcmin] (formal 1-sigma fit error)
SNR: 11.6237229045367
Angular difference between the analysis and refined position is 1.110761 arcmin
Partial Coding Fraction: 0.546875 [ including projection effects ]
Duration
T90: 199.195999920368 +/- 26.1886720109784
Measured from: -28.2639999985695
to: 170.931999921799 [s; relative to TRIGTIME]
T50: 74.6999999284744 +/- 44.7318905947454
Measured from: -4.24000000953674
to: 70.4599999189377 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 8.75999999046326
to: 9.75999999046326 [s; relative to TRIGTIME]
Total Fluence
Measured from: -36.3040000200272
to: 185.84399998188 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.752220 0.829151 0.704758 0.309393
0.091951 0.094342 0.084187 0.075489 [error]
Peak 0.024448 0.007320 0.019966 0.014234
0.006898 0.007078 0.006518 0.005852 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 222.148 -36.304 185.844
T90 199.196 -28.264 170.932
T50 74.700 -4.240 70.460
Peak 1.000 8.760 9.760
====== 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 -1.521 -0.236 0.231 - - - 7.13e-04 -8.60e-05 8.44e-05 70.740 57
CPL -1.545 -2.423 -0.660 9999.360 -9683.318 -9506.040 7.06e-04 -7.06e-04 -4.02e-04 70.820 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 -1.604 -3.207 1.124 - - - 3.65e-03 -3.65e-03 1.44e-03 72.020 57
CPL -1.635 N/A N/A 9999.310 N/A N/A 3.63e-03 N/A N/A 72.030 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 2.06e-07 3.74e-07 5.22e-07 1.52e-06 1.50e-06 2.62e-06 erg/cm2
90%_error_low -4.23e-08 -4.48e-08 -8.79e-08 -5.01e-07 -2.01e-07 -5.74e-07 erg/cm2
90%_error_hi 4.47e-08 4.42e-08 8.64e-08 6.52e-07 2.04e-07 6.99e-07 erg/cm2
Peak flux PL 1.69e-01 1.58e-01 1.02e-01 1.03e-01 4.71e-01 5.32e-01 ph/cm2/s
90%_error_low -1.69e-01 -7.65e-02 -1.02e-01 -1.03e-01 -1.75e-01 -2.02e-01 ph/cm2/s
90%_error_hi 1.75e-01 5.82e-02 6.29e-02 3.00e-01 1.71e-01 2.18e-01 ph/cm2/s
Fluence CPL 2.07e-07 1.36e-07 2.83e-07 1.51e-06 1.50e-06 2.57e-06 erg/cm2
90%_error_low -4.26e-08 -9.08e-08 -6.81e-08 N/A -2.12e-07 -5.97e-07 erg/cm2
90%_error_hi 4.45e-08 1.04e-07 5.06e-08 N/A 2.16e-07 7.43e-07 erg/cm2
Peak flux CPL 1.48e-01 9.93e-02 4.55e-02 3.49e-02 3.08e-01 3.29e-01 ph/cm2/s
90%_error_low -7.22e-02 -9.93e-02 -4.55e-02 -3.49e-02 -2.30e-01 N/A ph/cm2/s
90%_error_hi 1.55e-01 -4.92e-02 -4.00e-02 -3.41e-02 3.07e-02 N/A ph/cm2/s
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