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: Sun Jan 12 00:44:31 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger561974
======================================================================
Trigger: 00561974 Segment: 000
BAT Trigger Time: 395663824.256 [s; MET]
Trigger Stop: 395663824.768 [s; MET]
UTC: 2013-07-16T10:36:53.459220 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 179.547406394627 Dec: 63.0656816836336 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.64
Image Trigger?: NO
Rate S/N Ratio: 27.8747197295327 [ if not an image trigger ]
Image S/N Ratio: 7.64
Analysis Position: [ source = BAT ]
RA: 179.547406394627 Dec: 63.0656816836336 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 179.547 Dec: 63.0657 [deg; J2000]
{ 11h 58m 11.3s , +63d 03' 56.5" }
+/- 2.62718612864 [arcmin] (estimated 90% radius based on SNR)
SNR: 7.65424863938
Angular difference between the analysis and refined position is 0.011100 arcmin
Partial Coding Fraction: 0.6328125 [ including projection effects ]
Duration
T90: 87.6719999909401 +/- 19.9059138688552
Measured from: 0.11599999666214
to: 87.7879999876022 [s; relative to TRIGTIME]
T50: 63.0159999728203 +/- 37.071669430004
Measured from: 2.37999999523163
to: 65.3959999680519 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.0259999632835388
to: 0.974000036716461 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.0200000405311584
to: 106.756000041962 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.028692 0.200758 0.184737 0.037264
0.061939 0.063724 0.056044 0.048882 [error]
Peak 0.029849 0.030058 0.049178 0.025473
0.007794 0.008299 0.007794 0.007134 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 106.736 0.020 106.756
T90 87.672 0.116 87.788
T50 63.016 2.380 65.396
Peak 1.000 -0.026 0.974
====== 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 -1.317 -0.643 0.634 - - - 3.13e-04 -1.14e-04 1.13e-04 41.920 57
CPL 0.303 -2.123 8.136 82.064 -63.880 -82.064 1.59e-03 -1.59e-03 7.20e-01 41.010 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 -0.903 -0.358 0.385 - - - 8.56e-03 -1.76e-03 1.71e-03 62.570 57
CPL -0.900 -0.357 0.398 9999.360 -9999.360 -9999.360 8.62e-03 -1.64e-03 3.24e-02 62.570 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 3.59e-08 7.38e-08 1.19e-07 4.25e-07 3.29e-07 6.54e-07 erg/cm2
90%_error_low -2.04e-08 -2.99e-08 -5.28e-08 -2.93e-07 -1.29e-07 -3.51e-07 erg/cm2
90%_error_hi 2.49e-08 2.90e-08 5.15e-08 5.51e-07 1.32e-07 5.64e-07 erg/cm2
Peak flux PL 1.99e-01 2.87e-01 3.07e-01 6.10e-01 9.82e-01 1.40e+00 ph/cm2/s
90%_error_low -8.21e-02 -7.88e-02 -6.09e-02 -2.38e-01 -1.98e-01 -2.85e-01 ph/cm2/s
90%_error_hi 9.88e-02 7.67e-02 6.00e-02 3.28e-01 2.00e-01 3.09e-01 ph/cm2/s
Fluence CPL 2.32e-08 7.96e-08 1.39e-07 1.08e-07 3.10e-07 3.49e-07 erg/cm2
90%_error_low -2.26e-08 -4.77e-08 -6.45e-08 -9.79e-08 -1.27e-07 -1.63e-07 erg/cm2
90%_error_hi 3.26e-08 3.64e-08 7.39e-08 6.11e-07 1.37e-07 8.73e-07 erg/cm2
Peak flux CPL 2.00e-01 2.88e-01 3.07e-01 6.14e-01 9.83e-01 1.40e+00 ph/cm2/s
90%_error_low -2.00e-01 -8.16e-02 -6.08e-02 N/A -2.11e-01 -5.27e-01 ph/cm2/s
90%_error_hi 9.76e-02 7.63e-02 8.32e-02 N/A 1.98e-01 2.77e-01 ph/cm2/s
======================================================================
Special notes of this burst