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: Mon Jan 20 07:39:41 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger287364
======================================================================
Trigger: 00287364 Segment: 000
BAT Trigger Time: 208404714.56 [s; MET]
Trigger Stop: 208404715.584 [s; MET]
UTC: 2007-08-10T02:11:52.414980 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 189.939176238456 Dec: 10.7444551264059 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 12.68
Image Trigger?: NO
Rate S/N Ratio: 20.7846096908265 [ if not an image trigger ]
Image S/N Ratio: 12.68
Analysis Position: [ source = BAT ]
RA: 189.939176238456 Dec: 10.7444551264059 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 189.948936942719 Dec: 10.7479977043999 [deg; J2000]
{ 12h 39m 47.7s , +10d 44' 52.8" }
+/- 1.20068503580658 [arcmin] (estimated 90% radius based on SNR)
+/- 0.400345717458607 [arcmin] (formal 1-sigma fit error)
SNR: 23.423308583952
Angular difference between the analysis and refined position is 0.613378 arcmin
Partial Coding Fraction: 0.5390625 [ including projection effects ]
Duration
T90: 9.04000002145767 +/- 2.68246155678399
Measured from: -1.50400000810623
to: 7.53600001335144 [s; relative to TRIGTIME]
T50: 3.62000000476837 +/- 0.441687673669902
Measured from: 0.236000001430511
to: 3.85600000619888 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.111999988555908
to: 0.888000011444092 [s; relative to TRIGTIME]
Total Fluence
Measured from: -2.30399999022484
to: 10.4399999976158 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.425784 0.476947 0.231047 0.028330
0.025128 0.026407 0.022513 0.019396 [error]
Peak 0.063323 0.087205 0.047272 0.016409
0.007483 0.008131 0.006866 0.005571 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 12.744 -2.304 10.440
T90 9.040 -1.504 7.536
T50 3.620 0.236 3.856
Peak 1.000 -0.112 0.888
====== 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: 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 -2.051 -0.128 0.124 - - - 5.70e-03 -4.66e-04 4.59e-04 71.570 57
CPL -1.370 -0.569 0.669 38.993 -21.890 11.322 1.39e-02 -7.24e-03 1.96e-02 67.350 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 -1.812 -0.192 0.184 - - - 1.36e-02 -1.68e-03 1.65e-03 57.130 57
CPL -1.247 -0.684 0.908 60.559 -14.321 -60.559 2.78e-02 -1.52e-02 5.96e-02 55.500 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 1.56e-07 2.05e-07 1.98e-07 3.41e-07 6.72e-07 9.00e-07 erg/cm2
90%_error_low -1.50e-08 -1.35e-08 -2.21e-08 -7.03e-08 -5.07e-08 -9.56e-08 erg/cm2
90%_error_hi 1.53e-08 1.35e-08 2.23e-08 8.16e-08 5.13e-08 1.04e-07 erg/cm2
Peak flux PL 7.57e-01 6.34e-01 3.61e-01 3.05e-01 1.89e+00 2.06e+00 ph/cm2/s
90%_error_low -1.21e-01 -6.89e-02 -5.72e-02 -8.47e-02 -2.05e-01 -2.23e-01 ph/cm2/s
90%_error_hi 1.26e-01 6.87e-02 5.71e-02 1.01e-01 2.05e-01 2.23e-01 ph/cm2/s
Fluence CPL 1.46e-07 2.21e-07 1.92e-07 1.15e-07 6.29e-07 6.74e-07 erg/cm2
90%_error_low -1.75e-08 -1.88e-08 -2.66e-08 -6.54e-08 -5.98e-08 -9.07e-08 erg/cm2
90%_error_hi 1.76e-08 1.93e-08 2.52e-08 1.63e-07 6.17e-08 1.71e-07 erg/cm2
Peak flux CPL 7.06e-01 6.77e-01 3.70e-01 1.56e-01 1.85e+00 1.91e+00 ph/cm2/s
90%_error_low -1.41e-01 -8.91e-02 -6.28e-02 -9.50e-02 -2.11e-01 -2.38e-01 ph/cm2/s
90%_error_hi 1.43e-01 9.32e-02 6.33e-02 1.85e-01 2.10e-01 2.89e-01 ph/cm2/s
======================================================================
Special notes of this burst