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 13 23:21:18 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger449578
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Trigger: 00449578 Segment: 000
BAT Trigger Time: 322193808.384 [s; MET]
Trigger Stop: 322193809.408 [s; MET]
UTC: 2011-03-19T02:16:41.615380 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 356.401203320955 Dec: -66.0171233760089 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.06
Image Trigger?: NO
Rate S/N Ratio: 12.1655250605964 [ if not an image trigger ]
Image S/N Ratio: 7.06
Analysis Position: [ source = BAT ]
RA: 356.401203320955 Dec: -66.0171233760089 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 356.507489050582 Dec: -66.008348789258 [deg; J2000]
{ 23h 46m 01.8s , -66d 00' 30.1" }
+/- 0.797350467285248 [arcmin] (estimated 90% radius based on SNR)
+/- 0.236900467714755 [arcmin] (formal 1-sigma fit error)
SNR: 42.0358125781118
Angular difference between the analysis and refined position is 2.645439 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 20.6799999475479 +/- 1.60441395332415
Measured from: 1.99599999189377
to: 22.6759999394417 [s; relative to TRIGTIME]
T50: 10.3719999790192 +/- 0.404474986949819
Measured from: 5.31999999284744
to: 15.6919999718666 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 13.1039999723434
to: 14.1039999723434 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.251999974250793
to: 31.0719999670982 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.674661 1.415216 0.416656 0.027770
0.031839 0.031667 0.026652 0.022937 [error]
Peak 0.125850 0.096399 0.029241 0.006560
0.006637 0.006378 0.004995 0.004104 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 31.324 -0.252 31.072
T90 20.680 1.996 22.676
T50 10.372 5.320 15.692
Peak 1.000 13.104 14.104
====== 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: 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 -2.551 -0.079 0.077 - - - 5.04e-03 -2.36e-04 2.34e-04 84.010 57
CPL -1.375 -0.407 0.448 21.035 -9.980 5.450 2.40e-02 -9.97e-03 1.97e-02 54.840 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 -2.601 -0.178 0.168 - - - 1.05e-02 -1.32e-03 1.32e-03 55.900 57
CPL -1.643 -0.350 1.130 12.824 N/A N/A 4.31e-02 N/A N/A 52.090 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 5.47e-07 5.34e-07 3.65e-07 3.91e-07 1.60e-06 1.84e-06 erg/cm2
90%_error_low -2.98e-08 -1.83e-08 -2.40e-08 -4.97e-08 -5.65e-08 -7.85e-08 erg/cm2
90%_error_hi 3.03e-08 1.83e-08 2.44e-08 5.47e-08 5.66e-08 8.10e-08 erg/cm2
Peak flux PL 1.25e+00 6.64e-01 2.19e-01 9.32e-02 2.19e+00 2.23e+00 ph/cm2/s
90%_error_low -1.28e-01 -5.49e-02 -3.59e-02 -2.55e-02 -1.69e-01 -1.71e-01 ph/cm2/s
90%_error_hi 1.31e-01 5.45e-02 3.76e-02 3.15e-02 1.69e-01 1.71e-01 ph/cm2/s
Fluence CPL 4.76e-07 5.79e-07 3.18e-07 7.30e-08 1.43e-06 1.45e-06 erg/cm2
90%_error_low -3.68e-08 -2.34e-08 -3.25e-08 -2.97e-08 -7.08e-08 -7.84e-08 erg/cm2
90%_error_hi 3.73e-08 2.36e-08 3.18e-08 4.79e-08 7.32e-08 8.93e-08 erg/cm2
Peak flux CPL 1.19e+00 7.22e-01 1.83e-01 2.05e-02 2.12e+00 2.12e+00 ph/cm2/s
90%_error_low -1.42e-01 -7.01e-02 -5.71e-02 N/A -1.79e-01 -1.81e-01 ph/cm2/s
90%_error_hi 1.40e-01 7.63e-02 5.16e-02 N/A 1.78e-01 1.78e-01 ph/cm2/s
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