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 Feb 10 13:47:26 EST 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger729293
======================================================================
Trigger: 00729293 Segment: 000
BAT Trigger Time: 504930379.344 [s; MET]
Trigger Stop: 504930379.408 [s; MET]
UTC: 2017-01-01T02:26:00.951240 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 267.102656576912 Dec: 11.6542661795857 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 14.24
Image Trigger?: NO
Rate S/N Ratio: 98.9595877113481 [ if not an image trigger ]
Image S/N Ratio: 14.24
Analysis Position: [ source = BAT ]
RA: 267.102656576912 Dec: 11.6542661795857 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 267.089049977496 Dec: 11.6414954233128 [deg; J2000]
{ 17h 48m 21.4s , +11d 38' 29.4" }
+/- 1.09799239135421 [arcmin] (estimated 90% radius based on SNR)
+/- 0.389226605384475 [arcmin] (formal 1-sigma fit error)
SNR: 26.6145627906668
Angular difference between the analysis and refined position is 1.107459 arcmin
Partial Coding Fraction: 0.1464844 [ including projection effects ]
Duration
T90: 3.10400003194809 +/- 0.847999980989493
Measured from: -0.271999955177307
to: 2.83200007677078 [s; relative to TRIGTIME]
T50: 0.976000010967255 +/- 0.0715541870086366
Measured from: 0.0640000104904175
to: 1.04000002145767 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.219999969005585
to: 0.780000030994415 [s; relative to TRIGTIME]
Total Fluence
Measured from: -1.63199996948242
to: 8.5120000243187 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.218976 4.046090 2.679502 0.508671
0.090968 0.099976 0.085390 0.055933 [error]
Peak 1.609857 2.413747 1.858522 0.453463
0.054512 0.068351 0.061896 0.036308 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 10.144 -1.632 8.512
T90 3.104 -0.272 2.832
T50 0.976 0.064 1.040
Peak 1.000 -0.220 0.780
====== 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 -1.798 -0.059 0.059 - - - 6.72e-02 -2.16e-03 2.15e-03 52.620 57
CPL -1.690 -0.183 0.226 150.793 N/A N/A 7.58e-02 N/A N/A 51.900 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 -1.519 -0.059 0.059 - - - 4.33e-01 -1.45e-02 1.45e-02 53.270 57
CPL -1.331 -0.207 0.232 195.029 -78.525 -195.029 5.30e-01 -1.03e-01 1.47e-01 51.190 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 1.15e-06 1.77e-06 2.03e-06 4.48e-06 6.28e-06 9.43e-06 erg/cm2
90%_error_low -6.59e-08 -5.97e-08 -8.56e-08 -4.01e-07 -2.05e-07 -4.62e-07 erg/cm2
90%_error_hi 6.73e-08 5.96e-08 8.53e-08 4.26e-07 2.05e-07 4.80e-07 erg/cm2
Peak flux PL 1.81e+01 1.81e+01 1.26e+01 1.39e+01 5.43e+01 6.27e+01 ph/cm2/s
90%_error_low -1.13e+00 -6.91e-01 -5.07e-01 -1.13e+00 -1.95e+00 -2.10e+00 ph/cm2/s
90%_error_hi 1.15e+00 6.89e-01 5.05e-01 1.19e+00 1.95e+00 2.10e+00 ph/cm2/s
Fluence CPL 1.13e-06 1.78e-06 2.05e-06 3.85e-06 6.23e-06 8.81e-06 erg/cm2
90%_error_low -8.27e-08 -6.59e-08 -9.19e-08 -9.87e-07 -2.23e-07 -1.01e-06 erg/cm2
90%_error_hi 7.96e-08 6.65e-08 9.28e-08 7.45e-07 2.22e-07 6.13e-07 erg/cm2
Peak flux CPL 1.74e+01 1.83e+01 1.29e+01 1.15e+01 5.38e+01 6.01e+01 ph/cm2/s
90%_error_low -1.41e+00 -7.47e-01 -6.00e-01 -2.30e+00 -2.04e+00 -3.21e+00 ph/cm2/s
90%_error_hi 1.44e+00 7.53e-01 6.06e-01 2.52e+00 2.04e+00 3.62e+00 ph/cm2/s
======================================================================
Special notes of this burst