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: Sat Oct 4 23:24:21 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger596901
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Trigger: 00596901 Segment: 000
BAT Trigger Time: 419934725.184 [s; MET]
Trigger Stop: 419934729.28 [s; MET]
UTC: 2014-04-23T08:31:53.262020 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 197.290296592494 Dec: 49.8145967622945 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.94
Image Trigger?: NO
Rate S/N Ratio: 10.9544511501033 [ if not an image trigger ]
Image S/N Ratio: 9.94
Analysis Position: [ source = BAT ]
RA: 197.290296592494 Dec: 49.8145967622945 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 197.275473333852 Dec: 49.8380463461092 [deg; J2000]
{ 13h 09m 06.1s , +49d 50' 17.0" }
+/- 0.912461825176301 [arcmin] (estimated 90% radius based on SNR)
+/- 0.352192157056506 [arcmin] (formal 1-sigma fit error)
SNR: 34.6700539400205
Angular difference between the analysis and refined position is 1.519465 arcmin
Partial Coding Fraction: 0.3984375 [ including projection effects ]
Duration
T90: 134.143999993801 +/- 23.1033129881465
Measured from: -50.8320000171661
to: 83.311999976635 [s; relative to TRIGTIME]
T50: 53.8240000009537 +/- 2.91112079374196
Measured from: 2.54399996995926
to: 56.3679999709129 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 44.1879999637604
to: 45.1879999637604 [s; relative to TRIGTIME]
Total Fluence
Measured from: -130.128000020981
to: 108.912000000477 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.335540 5.020936 4.446507 1.275937
0.127154 0.134508 0.120261 0.101863 [error]
Peak 0.057980 0.104402 0.083037 0.041026
0.009167 0.010774 0.009795 0.007752 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 239.040 -130.128 108.912
T90 134.144 -50.832 83.312
T50 53.824 2.544 56.368
Peak 1.000 44.188 45.188
====== 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 -1.335 -0.056 0.057 - - - 4.00e-03 -1.21e-04 1.21e-04 47.910 57
CPL -1.163 -0.193 0.228 271.043 N/A N/A 4.79e-03 N/A N/A 46.090 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 -1.194 -0.187 0.190 - - - 1.83e-02 -2.06e-03 2.06e-03 70.770 57
CPL -0.980 -0.382 0.879 244.568 -244.568 -244.568 2.35e-02 N/A N/A 70.540 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 1.05e-06 2.13e-06 3.37e-06 1.19e-05 9.37e-06 1.84e-05 erg/cm2
90%_error_low -6.44e-08 -7.70e-08 -1.21e-07 -9.59e-07 -3.02e-07 -1.02e-06 erg/cm2
90%_error_hi 6.59e-08 7.67e-08 1.21e-07 1.02e-06 3.02e-07 1.07e-06 erg/cm2
Peak flux PL 5.63e-01 6.80e-01 5.94e-01 8.91e-01 2.15e+00 2.73e+00 ph/cm2/s
90%_error_low -1.13e-01 -8.77e-02 -7.84e-02 -2.22e-01 -2.45e-01 -3.25e-01 ph/cm2/s
90%_error_hi 1.19e-01 8.64e-02 7.75e-02 2.64e-01 2.45e-01 3.32e-01 ph/cm2/s
Fluence CPL 1.00e-06 2.15e-06 3.43e-06 9.40e-06 9.27e-06 1.60e-05 erg/cm2
90%_error_low -8.23e-08 -8.26e-08 -1.38e-07 -2.33e-06 -3.29e-07 -2.33e-06 erg/cm2
90%_error_hi 8.39e-08 8.33e-08 1.39e-07 2.76e-06 3.27e-07 2.28e-06 erg/cm2
Peak flux CPL 5.43e-01 6.96e-01 6.08e-01 6.85e-01 2.14e+00 2.53e+00 ph/cm2/s
90%_error_low -1.32e-01 -1.00e-01 -8.85e-02 -4.06e-01 -2.49e-01 -4.78e-01 ph/cm2/s
90%_error_hi 1.20e-01 1.08e-01 9.27e-02 4.04e-01 2.49e-01 4.96e-01 ph/cm2/s
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