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 04:19:27 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger522586
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Trigger: 00522586 Segment: 000
BAT Trigger Time: 359284077.056 [s; MET]
Trigger Stop: 359284089.216 [s; MET]
UTC: 2012-05-21T09:07:48.825220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 197.013854919207 Dec: -52.7460338744419 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.56
Image Trigger?: NO
Rate S/N Ratio: 11.6189500386223 [ if not an image trigger ]
Image S/N Ratio: 8.56
Analysis Position: [ source = BAT ]
RA: 197.013854919207 Dec: -52.7460338744419 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 197.011807975404 Dec: -52.7571518194873 [deg; J2000]
{ 13h 08m 02.8s , -52d 45' 25.7" }
+/- 1.53862798496557 [arcmin] (estimated 90% radius based on SNR)
+/- 0.62430711440556 [arcmin] (formal 1-sigma fit error)
SNR: 16.4355645656268
Angular difference between the analysis and refined position is 0.671206 arcmin
Partial Coding Fraction: 0.3554688 [ including projection effects ]
Duration
T90: 146.832000017166 +/- 27.9444855556604
Measured from: 3.39200001955032
to: 150.224000036716 [s; relative to TRIGTIME]
T50: 55.4560000300407 +/- 24.1445897684261
Measured from: 13.1520000100136
to: 68.6080000400543 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 31.1079999804497
to: 32.1079999804497 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.351999998092651
to: 170.047999978065 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.611510 1.010987 1.133812 0.204257
0.098204 0.101188 0.091531 0.086529 [error]
Peak 0.030295 0.032908 0.034559 0.008835
0.009379 0.010008 0.008791 0.008029 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 169.696 0.352 170.048
T90 146.832 3.392 150.224
T50 55.456 13.152 68.608
Peak 1.000 31.108 32.108
====== 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 -1.210 -0.165 0.167 - - - 1.21e-03 -1.16e-04 1.16e-04 62.870 57
CPL -0.229 -0.728 0.892 99.003 -23.599 116.722 3.41e-03 -1.80e-03 4.87e-03 57.260 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 -1.750 -0.529 0.473 - - - 6.42e-03 -2.08e-03 1.97e-03 62.250 57
CPL -1.371 -0.899 2.218 76.106 -76.106 -76.106 1.03e-02 -1.03e-02 1.69e-01 62.090 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 1.99e-07 4.38e-07 7.57e-07 3.04e-06 2.07e-06 4.43e-06 erg/cm2
90%_error_low -3.52e-08 -4.83e-08 -8.70e-08 -7.04e-07 -2.20e-07 -7.69e-07 erg/cm2
90%_error_hi 3.72e-08 4.78e-08 8.64e-08 8.41e-07 2.22e-07 8.84e-07 erg/cm2
Peak flux PL 3.36e-01 2.92e-01 1.73e-01 1.55e-01 8.68e-01 9.56e-01 ph/cm2/s
90%_error_low -1.29e-01 -7.85e-02 -7.07e-02 -9.56e-02 -2.33e-01 -2.62e-01 ph/cm2/s
90%_error_hi 1.40e-01 7.84e-02 7.12e-02 1.57e-01 2.33e-01 2.66e-01 ph/cm2/s
Fluence CPL 1.59e-07 4.68e-07 8.20e-07 1.01e-06 1.95e-06 2.45e-06 erg/cm2
90%_error_low -4.50e-08 -5.60e-08 -1.02e-07 -4.98e-07 -2.37e-07 -5.45e-07 erg/cm2
90%_error_hi 4.68e-08 5.71e-08 1.05e-07 1.17e-06 2.39e-07 1.17e-06 erg/cm2
Peak flux CPL 3.20e-01 3.05e-01 1.77e-01 9.60e-02 8.57e-01 8.98e-01 ph/cm2/s
90%_error_low -1.50e-01 -2.06e-01 N/A -9.60e-02 -2.33e-01 -2.66e-01 ph/cm2/s
90%_error_hi 1.52e-01 1.03e-01 N/A 1.17e-01 2.37e-01 3.12e-01 ph/cm2/s
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