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 Mar 3 23:55:21 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger585834
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Trigger: 00585834 Segment: 000
BAT Trigger Time: 413363851.776 [s; MET]
Trigger Stop: 413363852.8 [s; MET]
UTC: 2014-02-06T07:17:20.165420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 145.350247125002 Dec: 66.7503930303182 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 18.35
Image Trigger?: NO
Rate S/N Ratio: 52.820450584977 [ if not an image trigger ]
Image S/N Ratio: 18.35
Analysis Position: [ source = BAT ]
RA: 145.350247125002 Dec: 66.7503930303182 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 145.321432651379 Dec: 66.7609958708438 [deg; J2000]
{ 09h 41m 17.1s , +66d 45' 39.6" }
+/- 0.690661747345658 [arcmin] (estimated 90% radius based on SNR)
+/- 0.198550636252018 [arcmin] (formal 1-sigma fit error)
SNR: 51.6106385954751
Angular difference between the analysis and refined position is 0.932871 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 94.1879999041557 +/- 18.3610798297631
Measured from: 1.87999999523163
to: 96.0679998993874 [s; relative to TRIGTIME]
T50: 11.3839999437332 +/- 19.6462154393177
Measured from: 51.6839999556541
to: 63.0679998993874 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 60.8039999604225
to: 61.8039999604225 [s; relative to TRIGTIME]
Total Fluence
Measured from: -38.3040000200272
to: 256.060000002384 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 7.484973 10.443103 7.999963 1.693059
0.108077 0.114834 0.103035 0.087529 [error]
Peak 0.569354 0.969866 0.902770 0.196029
0.013324 0.017050 0.016707 0.009710 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 294.364 -38.304 256.060
T90 94.188 1.880 96.068
T50 11.384 51.684 63.068
Peak 1.000 60.804 61.804
====== 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 -1.510 -0.033 0.033 - - - 6.02e-03 -1.04e-04 1.04e-04 64.040 57
CPL -1.142 -0.141 0.145 133.610 -22.100 46.299 8.71e-03 -1.12e-03 1.33e-03 43.470 56
=== 1-s peak 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 -1.271 -0.038 0.038 - - - 1.74e-01 -3.90e-03 3.90e-03 100.760 57
CPL -0.536 -0.174 0.181 115.633 -12.020 18.234 3.67e-01 -5.77e-02 7.12e-02 43.200 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 2.29e-06 4.17e-06 5.86e-06 1.73e-05 1.68e-05 2.96e-05 erg/cm2
90%_error_low -8.39e-08 -8.87e-08 -1.18e-07 -8.06e-07 -2.95e-07 -8.53e-07 erg/cm2
90%_error_hi 8.52e-08 8.87e-08 1.18e-07 8.32e-07 2.95e-07 8.74e-07 erg/cm2
Peak flux PL 1.73e-03 2.23e-02 2.39e-01 2.20e+01 5.39e-01 2.21e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 2.06e-06 4.23e-06 6.05e-06 1.12e-05 1.64e-05 2.35e-05 erg/cm2
90%_error_low -1.13e-07 -9.32e-08 -1.38e-07 -1.59e-06 -3.30e-07 -1.62e-06 erg/cm2
90%_error_hi 1.15e-07 9.35e-08 1.39e-07 1.92e-06 3.30e-07 1.94e-06 erg/cm2
Peak flux CPL 4.71e+00 6.85e+00 6.01e+00 4.26e+00 1.99e+01 2.18e+01 ph/cm2/s
90%_error_low -3.24e-01 -1.97e-01 -1.79e-01 -5.07e-01 -5.14e-01 -7.50e-01 ph/cm2/s
90%_error_hi 3.32e-01 1.97e-01 1.80e-01 5.87e-01 5.16e-01 7.98e-01 ph/cm2/s
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