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: Wed Nov 19 23:06:53 EST 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger616502
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Trigger: 00616502 Segment: 000
BAT Trigger Time: 435983824 [s; MET]
Trigger Stop: 435983888 [s; MET]
UTC: 2014-10-26T02:36:51.296880 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 44.0804525026473 Dec: 26.9599053858768 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 11
Analysis Position: [ source = BAT ]
RA: 44.0804525026473 Dec: 26.9599053858768 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 44.0490065807522 Dec: 26.9251941472626 [deg; J2000]
{ 02h 56m 11.8s , +26d 55' 30.7" }
+/- 1.86368916202356 [arcmin] (estimated 90% radius based on SNR)
+/- 0.733732141123246 [arcmin] (formal 1-sigma fit error)
SNR: 12.4988642699834
Angular difference between the analysis and refined position is 2.677042 arcmin
Partial Coding Fraction: 0.8828125 [ including projection effects ]
Duration
T90: 139.475999951363 +/- 14.8381213498224
Measured from: 21.7400000095367
to: 161.215999960899 [s; relative to TRIGTIME]
T50: 72.7679999470711 +/- 12.4589060727686
Measured from: 55.5199999809265
to: 128.287999927998 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 65.6399999856949
to: 66.6399999856949 [s; relative to TRIGTIME]
Total Fluence
Measured from: 13.9559999704361
to: 180.89200001955 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.307293 1.054742 0.391654 0.208802
0.075008 0.076729 0.065638 0.056640 [error]
Peak 0.023157 0.007280 0.014637 0.005430
0.006167 0.006204 0.005165 0.004561 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 166.936 13.956 180.892
T90 139.476 21.740 161.216
T50 72.768 55.520 128.288
Peak 1.000 65.640 66.640
====== 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 -2.331 -0.193 0.182 - - - 8.07e-04 -1.04e-04 1.02e-04 62.020 57
CPL -1.992 1.992 1.992 0.923 -0.361 1.475 1.29e-03 -2.41e-04 2.69e-04 63.300 56
=== 1-s peak 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 -1.243 -0.827 1.082 - - - 3.03e-03 -1.11e-03 1.11e-03 50.880 57
CPL -1.307 -2.239 1.200 9999.360 N/A N/A 3.04e-03 N/A N/A 50.910 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 3.78e-07 4.20e-07 3.34e-07 4.40e-07 1.29e-06 1.57e-06 erg/cm2
90%_error_low -4.26e-08 -3.70e-08 -5.87e-08 -1.34e-07 -1.30e-07 -2.12e-07 erg/cm2
90%_error_hi 4.35e-08 3.66e-08 6.14e-08 1.72e-07 1.34e-07 2.40e-07 erg/cm2
Peak flux PL 9.75e-02 1.14e-01 9.68e-02 1.39e-01 3.58e-01 4.47e-01 ph/cm2/s
90%_error_low -9.75e-02 -6.42e-02 -4.68e-02 -1.03e-01 -3.58e-01 -1.69e-01 ph/cm2/s
90%_error_hi 8.84e-02 5.01e-02 4.22e-02 2.84e-01 1.38e-01 1.97e-01 ph/cm2/s
Fluence CPL 3.66e-07 4.27e-07 2.99e-07 6.32e-08 1.24e-06 1.37e-06 erg/cm2
90%_error_low -3.94e-08 -2.94e-08 -4.46e-08 4.81e-08 -1.31e-07 -2.17e-07 erg/cm2
90%_error_hi 4.06e-08 4.50e-08 9.45e-08 4.12e-07 1.61e-07 2.64e-07 erg/cm2
Peak flux CPL 9.86e-02 1.15e-01 9.63e-02 1.36e-01 3.59e-01 4.55e-01 ph/cm2/s
90%_error_low N/A -6.45e-02 -4.65e-02 N/A -1.40e-01 -1.82e-01 ph/cm2/s
90%_error_hi N/A 4.98e-02 4.27e-02 N/A 1.38e-01 1.94e-01 ph/cm2/s
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