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 06:49:36 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger293587
======================================================================
Trigger: 00293587 Segment: 000
BAT Trigger Time: 213573359.04 [s; MET]
Trigger Stop: 213573363.136 [s; MET]
UTC: 2007-10-08T21:55:56.761900 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 151.547964114205 Dec: 44.3338686638463 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.42
Image Trigger?: NO
Rate S/N Ratio: 11.6619037896906 [ if not an image trigger ]
Image S/N Ratio: 9.42
Analysis Position: [ source = BAT ]
RA: 151.547964114205 Dec: 44.3338686638463 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 151.565618302677 Dec: 44.3054742583822 [deg; J2000]
{ 10h 06m 15.7s , +44d 18' 19.7" }
+/- 1.94059627467662 [arcmin] (estimated 90% radius based on SNR)
+/- 0.789071746762406 [arcmin] (formal 1-sigma fit error)
SNR: 11.7972936444498
Angular difference between the analysis and refined position is 1.864618 arcmin
Partial Coding Fraction: 0.8828125 [ including projection effects ]
Duration
T90: 17.9839999973774 +/- 5.13886522246629
Measured from: -8.0639999806881
to: 9.9200000166893 [s; relative to TRIGTIME]
T50: 5.31200003623962 +/- 2.7882266629656
Measured from: -1.85600000619888
to: 3.45600003004074 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.172000020742416
to: 1.17200002074242 [s; relative to TRIGTIME]
Total Fluence
Measured from: -11.0079999864101
to: 13.5680000185966 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.218529 0.199022 0.100754 0.000574
0.023034 0.023708 0.020299 0.017339 [error]
Peak 0.028041 0.023773 0.007286 0.003878
0.004749 0.004888 0.004208 0.003584 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 24.576 -11.008 13.568
T90 17.984 -8.064 9.920
T50 5.312 -1.856 3.456
Peak 1.000 0.172 1.172
====== 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 -2.144 -0.262 0.240 - - - 1.09e-03 -2.03e-04 1.98e-04 45.810 57
CPL -1.108 -1.048 1.405 32.684 N/A N/A 4.70e-03 N/A N/A 42.950 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 -2.285 -0.522 0.430 - - - 2.82e-03 -1.03e-03 1.01e-03 59.900 57
CPL -1.473 -0.617 3.454 22.934 N/A N/A 9.40e-03 N/A N/A 59.400 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 6.28e-08 7.81e-08 7.07e-08 1.11e-07 2.50e-07 3.23e-07 erg/cm2
90%_error_low -1.02e-08 -1.06e-08 -1.73e-08 -4.48e-08 -4.03e-08 -6.92e-08 erg/cm2
90%_error_hi 1.04e-08 1.05e-08 1.82e-08 6.16e-08 4.18e-08 8.24e-08 erg/cm2
Peak flux PL 2.48e-01 1.58e-01 6.47e-02 3.60e-02 4.89e-01 5.07e-01 ph/cm2/s
90%_error_low -6.70e-02 -3.98e-02 -2.90e-02 -2.30e-02 -1.10e-01 -1.17e-01 ph/cm2/s
90%_error_hi 6.85e-02 3.83e-02 3.23e-02 3.99e-02 1.10e-01 1.18e-01 ph/cm2/s
Fluence CPL 5.96e-08 8.81e-08 6.24e-08 1.99e-08 2.25e-07 2.30e-07 erg/cm2
90%_error_low -1.13e-08 -1.46e-08 -2.37e-08 -1.71e-08 -4.08e-08 -4.53e-08 erg/cm2
90%_error_hi 1.12e-08 1.51e-08 2.20e-08 8.95e-08 4.68e-08 6.20e-08 erg/cm2
Peak flux CPL 2.42e-01 1.73e-01 5.74e-02 9.81e-03 4.80e-01 4.82e-01 ph/cm2/s
90%_error_low -7.27e-02 N/A -5.74e-02 N/A -1.10e-01 N/A ph/cm2/s
90%_error_hi 7.06e-02 N/A 3.76e-02 N/A 1.11e-01 N/A ph/cm2/s
======================================================================
Special notes of this burst