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 17:22:37 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger429954
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Trigger: 00429954 Segment: 000
BAT Trigger Time: 301734778.432 [s; MET]
Trigger Stop: 301734779.456 [s; MET]
UTC: 2010-07-25T07:12:52.414860 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 166.514988339174 Dec: -26.6876315703796 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.66
Image Trigger?: NO
Rate S/N Ratio: 24.6576560118759 [ if not an image trigger ]
Image S/N Ratio: 6.66
Analysis Position: [ source = BAT ]
RA: 166.514988339174 Dec: -26.6876315703796 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 166.465875297897 Dec: -26.666327278205 [deg; J2000]
{ 11h 05m 51.8s , -26d 39' 58.8" }
+/- 1.1913672336355 [arcmin] (estimated 90% radius based on SNR)
+/- 0.458338433275639 [arcmin] (formal 1-sigma fit error)
SNR: 23.6854551671049
Angular difference between the analysis and refined position is 2.926973 arcmin
Partial Coding Fraction: 0.828125 [ including projection effects ]
Duration
T90: 123.239999949932 +/- 27.1530454699813
Measured from: -0.251999974250793
to: 122.987999975681 [s; relative to TRIGTIME]
T50: 53.4239999651909 +/- 9.74747249464766
Measured from: 9.81999999284744
to: 63.2439999580383 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 8.58399999141693
to: 9.58399999141693 [s; relative to TRIGTIME]
Total Fluence
Measured from: -6.56000000238419
to: 167.624000012875 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.664266 1.057696 0.966591 0.400808
0.062682 0.064816 0.057708 0.050632 [error]
Peak 0.015002 0.031822 0.027668 0.024240
0.005326 0.005729 0.005381 0.004744 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 174.184 -6.560 167.624
T90 123.240 -0.252 122.988
T50 53.424 9.820 63.244
Peak 1.000 8.584 9.584
====== 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 -1.189 -0.118 0.119 - - - 1.16e-03 -7.26e-05 7.26e-05 50.590 57
CPL -1.191 -0.113 0.143 9999.360 -9999.360 -9999.360 1.17e-03 -7.27e-05 2.53e-04 50.640 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 -1.086 -0.344 0.366 - - - 6.02e-03 -1.15e-03 1.14e-03 68.980 57
CPL -1.092 -5.939 0.899 9999.320 N/A N/A 6.04e-03 N/A N/A 68.990 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 1.94e-07 4.31e-07 7.56e-07 3.10e-06 2.07e-06 4.48e-06 erg/cm2
90%_error_low -2.47e-08 -3.25e-08 -5.61e-08 -5.08e-07 -1.41e-07 -5.40e-07 erg/cm2
90%_error_hi 2.58e-08 3.21e-08 5.57e-08 5.78e-07 1.42e-07 6.00e-07 erg/cm2
Peak flux PL 1.67e-01 2.15e-01 2.02e-01 3.37e-01 6.97e-01 9.21e-01 ph/cm2/s
90%_error_low -6.25e-02 -5.24e-02 -4.33e-02 -1.35e-01 -1.37e-01 -1.84e-01 ph/cm2/s
90%_error_hi 7.06e-02 5.03e-02 4.23e-02 1.88e-01 1.37e-01 1.94e-01 ph/cm2/s
Fluence CPL 1.94e-07 4.28e-07 7.48e-07 3.12e-06 2.08e-06 4.25e-06 erg/cm2
90%_error_low N/A -2.95e-08 -4.76e-08 -9.57e-07 -1.53e-07 -7.25e-07 erg/cm2
90%_error_hi N/A 3.51e-08 6.43e-08 2.25e-07 1.30e-07 8.25e-07 erg/cm2
Peak flux CPL 1.72e-01 2.15e-01 2.01e-01 3.40e-01 7.02e-01 9.24e-01 ph/cm2/s
90%_error_low N/A -5.30e-02 -4.25e-02 N/A -1.62e-01 -2.64e-01 ph/cm2/s
90%_error_hi N/A 5.01e-02 4.58e-02 N/A 1.53e-01 1.71e-01 ph/cm2/s
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