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 13 18:21:03 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger507342
======================================================================
Trigger: 00507342 Segment: 000
BAT Trigger Time: 342500273.6 [s; MET]
Trigger Stop: 342500277.696 [s; MET]
UTC: 2011-11-09T02:57:46.046320 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 118.196067983082 Dec: -41.5986755526321 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.62
Image Trigger?: NO
Rate S/N Ratio: 13.856406460551 [ if not an image trigger ]
Image S/N Ratio: 8.62
Analysis Position: [ source = BAT ]
RA: 118.196067983082 Dec: -41.5986755526321 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 118.247685673307 Dec: -41.588936780625 [deg; J2000]
{ 07h 52m 59.4s , -41d 35' 20.2" }
+/- 1.92908741729053 [arcmin] (estimated 90% radius based on SNR)
+/- 0.820417587419659 [arcmin] (formal 1-sigma fit error)
SNR: 11.8979680043782
Angular difference between the analysis and refined position is 2.388768 arcmin
Partial Coding Fraction: 0.9140625 [ including projection effects ]
Duration
T90: 13 +/- 3.16227766016838
Measured from: -5.60000002384186
to: 7.39999997615814 [s; relative to TRIGTIME]
T50: 6 +/- 2.82842712474619
Measured from: -3.60000002384186
to: 2.39999997615814 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.39999997615814
to: 2.39999997615814 [s; relative to TRIGTIME]
Total Fluence
Measured from: -5.60000002384186
to: 8.39999997615814 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.155543 0.197678 0.090641 0.009748
0.021964 0.022106 0.019480 0.017833 [error]
Peak 0.027079 0.025092 0.013938 0.003615
0.006095 0.006118 0.005397 0.004866 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 14.000 -5.600 8.400
T90 13.000 -5.600 7.400
T50 6.000 -3.600 2.400
Peak 1.000 1.400 2.400
====== 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 -1.856 -0.263 0.249 - - - 1.89e-03 -3.30e-04 3.22e-04 57.210 57
CPL -1.057 -1.057 1.451 47.390 -47.174 -47.390 5.63e-03 -5.63e-03 3.64e-02 55.710 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 -1.845 -0.511 0.456 - - - 3.95e-03 -1.30e-03 1.23e-03 68.080 57
CPL -1.640 -0.622 2.160 72.646 N/A N/A 5.22e-03 N/A N/A 68.030 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 4.73e-08 7.00e-08 7.73e-08 1.61e-07 2.43e-07 3.55e-07 erg/cm2
90%_error_low -9.09e-09 -9.76e-09 -1.79e-08 -6.34e-08 -4.15e-08 -8.54e-08 erg/cm2
90%_error_hi 9.32e-09 9.74e-09 1.85e-08 8.71e-08 4.29e-08 1.04e-07 erg/cm2
Peak flux PL 2.27e-01 1.86e-01 1.04e-01 8.51e-02 5.55e-01 6.02e-01 ph/cm2/s
90%_error_low -7.89e-02 -4.71e-02 -4.27e-02 -5.22e-02 -1.40e-01 -1.57e-01 ph/cm2/s
90%_error_hi 8.29e-02 4.70e-02 4.43e-02 8.76e-02 1.40e-01 1.60e-01 ph/cm2/s
Fluence CPL 4.48e-08 7.71e-08 7.26e-08 4.06e-08 2.21e-07 2.35e-07 erg/cm2
90%_error_low -1.02e-08 -8.70e-09 -2.40e-08 -3.44e-08 -4.58e-08 -5.92e-08 erg/cm2
90%_error_hi 1.01e-08 1.44e-08 2.13e-08 1.44e-07 5.25e-08 1.46e-07 erg/cm2
Peak flux CPL 2.23e-01 1.91e-01 1.03e-01 6.12e-02 5.51e-01 5.80e-01 ph/cm2/s
90%_error_low -8.61e-02 N/A -4.39e-02 -6.12e-02 -1.40e-01 -1.65e-01 ph/cm2/s
90%_error_hi 4.39e-02 N/A 4.61e-02 3.76e-02 1.42e-01 1.75e-01 ph/cm2/s
======================================================================
Special notes of this burst