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 Jan 22 21:59:26 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger130088
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Trigger: 00130088 Segment: 000
BAT Trigger Time: 138672173.056 [s; MET]
Trigger Stop: 138672173.12 [s; MET]
UTC: 2005-05-25T00:02:53.517080 [includes UTCF correction]
Where From?: (*SHORT BURST*) TDRSS scaled map message
BAT
RA: 278.144062379166 Dec: 26.3398415321529 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 18
Image Trigger?: NO
Rate S/N Ratio: 81.2834546509928 [ if not an image trigger ]
Image S/N Ratio: 18
Analysis Position: [ source = BAT ]
RA: 278.144062379166 Dec: 26.3398415321529 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 278.138110425539 Dec: 26.3393182721794 [deg; J2000]
{ 18h 32m 33.1s , +26d 20' 21.5" }
+/- 0.339732639503496 [arcmin] (estimated 90% radius based on SNR)
+/- 0.0981280526302253 [arcmin] (formal 1-sigma fit error)
SNR: 142.207425874992
Angular difference between the analysis and refined position is 0.321578 arcmin
Partial Coding Fraction: 0.78125 [ including projection effects ]
Duration
T90: 8.83599999547005 +/- 0.0708802014549775
Measured from: 0.328000009059906
to: 9.16400000452995 [s; relative to TRIGTIME]
T50: 5.22400000691414 +/- 0.0256125069658732
Measured from: 1.37200000882149
to: 6.59600001573563 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.543999999761581
to: 1.54399999976158 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.120000004768372
to: 12.6759999990463 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 7.144629 10.285507 7.008009 1.181263
0.038927 0.045504 0.039560 0.024059 [error]
Peak 1.098535 1.982178 1.730768 0.376896
0.014593 0.019074 0.018561 0.010591 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 12.796 -0.120 12.676
T90 8.836 0.328 9.164
T50 5.224 1.372 6.596
Peak 1.000 0.544 1.544
====== 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: CPL)
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 -1.783 N/A N/A - - - 1.32e-01 N/A N/A 212.750 57
CPL -1.026 -0.100 0.102 80.400 -2.918 3.478 2.67e-01 -2.29e-02 2.55e-02 25.900 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 -1.400 N/A N/A - - - 3.60e-01 N/A N/A 165.620 57
CPL -0.603 -0.125 0.128 106.319 -6.786 8.837 7.76e-01 -8.54e-02 9.82e-02 31.120 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 2.82e-06 4.36e-06 5.07e-06 1.13e-05 1.56e-05 2.36e-05 erg/cm2
90%_error_low N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_hi N/A N/A N/A N/A N/A N/A erg/cm2
Peak flux PL 1.35e+01 1.44e+01 1.09e+01 1.34e+01 4.39e+01 5.22e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
Fluence CPL 2.20e-06 4.40e-06 5.55e-06 6.21e-06 1.51e-05 1.84e-05 erg/cm2
90%_error_low -9.69e-08 -7.64e-08 -8.80e-08 -4.12e-07 -2.00e-07 -4.60e-07 erg/cm2
90%_error_hi 9.87e-08 7.63e-08 8.82e-08 4.51e-07 2.00e-07 4.93e-07 erg/cm2
Peak flux CPL 1.26e+01 8.81e+00 4.24e+00 3.43e+00 2.71e+01 2.81e+01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
======================================================================