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.
======================================================================
BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Fri Aug 7 22:36:19 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger650141
======================================================================
Trigger: 00650141 Segment: 000
BAT Trigger Time: 459409610.88 [s; MET]
Trigger Stop: 459409612.928 [s; MET]
UTC: 2015-07-24T05:46:35.984200 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 97.5395976716236 Dec: -19.1535017233648 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.19
Image Trigger?: NO
Rate S/N Ratio: 9.64365076099295 [ if not an image trigger ]
Image S/N Ratio: 7.19
Analysis Position: [ source = BAT ]
RA: 97.5395976716236 Dec: -19.1535017233648 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 97.5500159653381 Dec: -19.149950895894 [deg; J2000]
{ 06h 30m 12.0s , -19d 08' 59.8" }
+/- 1.77072557306103 [arcmin] (estimated 90% radius based on SNR)
+/- 0.873218114968808 [arcmin] (formal 1-sigma fit error)
SNR: 13.4467267822412
Angular difference between the analysis and refined position is 0.627759 arcmin
Partial Coding Fraction: 0.484375 [ including projection effects ]
Duration
T90: 280.007999956608 +/- 43.9618534887909
Measured from: 1.23600000143051
to: 281.243999958038 [s; relative to TRIGTIME]
T50: 199.8599999547 +/- 5.43473861011519
Measured from: 24.8840000033379
to: 224.743999958038 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 24.0839999914169
to: 25.0839999914169 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.07199996709824
to: 325.420000016689 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.435485 1.646309 0.691322 0.271984
0.101247 0.103609 0.087157 0.072734 [error]
Peak 0.028951 0.046641 0.029332 0.009758
0.008185 0.008689 0.007237 0.005904 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 326.492 -1.072 325.420
T90 280.008 1.236 281.244
T50 199.860 24.884 224.744
Peak 1.000 24.084 25.084
====== 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 -1.991 -0.148 0.143 - - - 7.07e-04 -6.72e-05 6.61e-05 69.280 57
CPL -1.432 -0.646 0.785 42.125 -34.105 -42.125 1.49e-03 -8.46e-04 2.77e-03 67.180 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 -1.640 -0.374 0.362 - - - 7.28e-03 -1.70e-03 1.67e-03 53.600 57
CPL -1.020 -0.951 1.906 75.786 N/A N/A 1.55e-02 N/A N/A 53.060 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 4.68e-07 6.39e-07 6.43e-07 1.17e-06 2.13e-06 2.92e-06 erg/cm2
90%_error_low -5.20e-08 -4.90e-08 -8.29e-08 -2.76e-07 -1.91e-07 -3.72e-07 erg/cm2
90%_error_hi 5.32e-08 4.90e-08 8.40e-08 3.29e-07 1.93e-07 4.11e-07 erg/cm2
Peak flux PL 3.43e-01 3.18e-01 2.04e-01 2.01e-01 9.48e-01 1.07e+00 ph/cm2/s
90%_error_low -1.16e-01 -7.37e-02 -5.88e-02 -9.47e-02 -2.14e-01 -2.36e-01 ph/cm2/s
90%_error_hi 1.26e-01 7.28e-02 5.79e-02 1.32e-01 2.14e-01 2.37e-01 ph/cm2/s
Fluence CPL 4.46e-07 6.81e-07 6.23e-07 4.46e-07 2.00e-06 2.20e-06 erg/cm2
90%_error_low -5.94e-08 -6.92e-08 -1.02e-07 -2.90e-07 -2.32e-07 -3.82e-07 erg/cm2
90%_error_hi 5.94e-08 7.17e-08 9.38e-08 8.13e-07 2.41e-07 9.34e-07 erg/cm2
Peak flux CPL 3.14e-01 3.41e-01 2.14e-01 1.03e-01 9.33e-01 9.72e-01 ph/cm2/s
90%_error_low -1.34e-01 -4.67e-02 -6.51e-02 -1.03e-01 -2.17e-01 -2.42e-01 ph/cm2/s
90%_error_hi 1.41e-01 9.76e-02 6.82e-02 1.36e-01 2.17e-01 2.58e-01 ph/cm2/s
======================================================================