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: Fri Jul 15 14:18:29 EDT 2016
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger701503
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Trigger: 00701503 Segment: 000
BAT Trigger Time: 488587247.936 [s; MET]
Trigger Stop: 488587248.96 [s; MET]
UTC: 2016-06-25T22:40:31.466540 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 176.936915418812 Dec: -65.1138111609725 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.86
Image Trigger?: NO
Rate S/N Ratio: 15.3622914957372 [ if not an image trigger ]
Image S/N Ratio: 8.86
Analysis Position: [ source = BAT ]
RA: 176.936915418812 Dec: -65.1138111609725 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 176.938977169425 Dec: -65.1419065043362 [deg; J2000]
{ 11h 47m 45.4s , -65d 08' 30.9" }
+/- 0.798197129754722 [arcmin] (estimated 90% radius based on SNR)
+/- 0.195796794885138 [arcmin] (formal 1-sigma fit error)
SNR: 41.9721296814664
Angular difference between the analysis and refined position is 1.686523 arcmin
Partial Coding Fraction: 0.5703125 [ including projection effects ]
Duration
T90: 53.9199999570847 +/- 3.0991353106272
Measured from: -9.33200001716614
to: 44.5879999399185 [s; relative to TRIGTIME]
T50: 31.9519999027252 +/- 0.792131237689915
Measured from: 2.45600003004074
to: 34.407999932766 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 35.0720000267029
to: 36.0720000267029 [s; relative to TRIGTIME]
Total Fluence
Measured from: -15.0360000133514
to: 47.4120000004768 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.276958 2.376192 1.161156 0.254559
0.060521 0.062318 0.053674 0.045919 [error]
Peak 0.116273 0.134631 0.070410 0.016241
0.009058 0.009409 0.007885 0.005802 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 62.448 -15.036 47.412
T90 53.920 -9.332 44.588
T50 31.952 2.456 34.408
Peak 1.000 35.072 36.072
====== 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 -2.086 -0.075 0.074 - - - 5.70e-03 -2.35e-04 2.33e-04 37.660 57
CPL -1.917 -0.175 0.309 22.709 -20.968 27.225 7.01e-03 N/A N/A 36.670 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 -1.970 -0.151 0.146 - - - 2.03e-02 -1.97e-03 1.94e-03 53.890 57
CPL -1.633 -0.552 0.639 47.654 N/A N/A 3.14e-02 N/A N/A 52.850 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 7.91e-07 1.02e-06 9.60e-07 1.60e-06 3.31e-06 4.37e-06 erg/cm2
90%_error_low -4.84e-08 -3.68e-08 -5.55e-08 -1.88e-07 -1.26e-07 -2.37e-07 erg/cm2
90%_error_hi 4.95e-08 3.68e-08 5.57e-08 2.05e-07 1.26e-07 2.48e-07 erg/cm2
Peak flux PL 1.31e+00 1.00e+00 5.12e-01 3.75e-01 3.00e+00 3.20e+00 ph/cm2/s
90%_error_low -1.58e-01 -8.14e-02 -6.48e-02 -8.45e-02 -2.47e-01 -2.60e-01 ph/cm2/s
90%_error_hi 1.63e-01 8.14e-02 6.49e-02 9.80e-02 2.47e-01 2.60e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -4.84e-08 -3.68e-08 -5.55e-08 -1.88e-07 -1.26e-07 -2.37e-07 erg/cm2
90%_error_hi 4.95e-08 3.68e-08 5.57e-08 2.05e-07 1.26e-07 2.48e-07 erg/cm2
Peak flux CPL 1.27e+00 1.04e+00 5.15e-01 2.39e-01 2.97e+00 3.06e+00 ph/cm2/s
90%_error_low -1.79e-01 -1.04e-01 -6.91e-02 -1.28e-01 -2.54e-01 -2.95e-01 ph/cm2/s
90%_error_hi 1.81e-01 1.08e-01 6.90e-02 1.71e-01 2.54e-01 3.50e-01 ph/cm2/s
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