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: Sat Oct 4 21:29:32 EDT 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger603954
======================================================================
Trigger: 00603954 Segment: 000
BAT Trigger Time: 426680212.288 [s; MET]
Trigger Stop: 426680213.312 [s; MET]
UTC: 2014-07-10T10:16:40.041420 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 41.0871768965041 Dec: 35.4932251244368 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.54
Image Trigger?: NO
Rate S/N Ratio: 20.2731349327133 [ if not an image trigger ]
Image S/N Ratio: 11.54
Analysis Position: [ source = BAT ]
RA: 41.0871768965041 Dec: 35.4932251244368 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 41.0865779780287 Dec: 35.4987180474495 [deg; J2000]
{ 02h 44m 20.8s , +35d 29' 55.4" }
+/- 1.83052885375025 [arcmin] (estimated 90% radius based on SNR)
+/- 0.913692354993513 [arcmin] (formal 1-sigma fit error)
SNR: 12.8235710277597
Angular difference between the analysis and refined position is 0.330871 arcmin
Partial Coding Fraction: 0.5859375 [ including projection effects ]
Duration
T90: 3 +/- 2.23606797749979
Measured from: -0.287999987602234
to: 2.71200001239777 [s; relative to TRIGTIME]
T50: 1 +/- 1
Measured from: -0.287999987602234
to: 0.712000012397766 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.287999987602234
to: 0.712000012397766 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.287999987602234
to: 3.71200001239777 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.160458 0.159069 0.075023 0.016506
0.017182 0.017892 0.015773 0.014037 [error]
Peak 0.057864 0.053592 0.045052 0.015592
0.008974 0.009690 0.008673 0.007297 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 4.000 -0.288 3.712
T90 3.000 -0.288 2.712
T50 1.000 -0.288 0.712
Peak 1.000 -0.288 0.712
====== 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 -2.037 -0.238 0.221 - - - 6.19e-03 -1.01e-03 9.80e-04 50.360 57
CPL -0.964 -1.010 1.279 39.555 N/A N/A 2.62e-02 N/A N/A 47.040 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 -1.658 -0.285 0.271 - - - 1.13e-02 -2.02e-03 1.98e-03 76.710 57
CPL -0.624 -1.143 1.858 64.314 -17.499 -64.314 3.90e-02 -3.90e-02 2.87e-01 74.970 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 5.25e-08 6.97e-08 6.79e-08 1.18e-07 2.29e-07 3.08e-07 erg/cm2
90%_error_low -8.72e-09 -8.78e-09 -1.46e-08 -4.32e-08 -3.41e-08 -6.23e-08 erg/cm2
90%_error_hi 8.93e-09 8.75e-09 1.50e-08 5.68e-08 3.49e-08 7.25e-08 erg/cm2
Peak flux PL 5.40e-01 4.95e-01 3.14e-01 3.05e-01 1.48e+00 1.65e+00 ph/cm2/s
90%_error_low -1.33e-01 -8.27e-02 -7.12e-02 -1.17e-01 -2.43e-01 -2.74e-01 ph/cm2/s
90%_error_hi 1.41e-01 8.23e-02 7.04e-02 1.52e-01 2.43e-01 2.75e-01 ph/cm2/s
Fluence CPL 4.83e-08 7.91e-08 6.40e-08 2.42e-08 2.09e-07 2.16e-07 erg/cm2
90%_error_low -1.01e-08 -1.24e-08 -1.86e-08 -1.88e-08 -3.49e-08 -4.04e-08 erg/cm2
90%_error_hi 9.98e-09 1.28e-08 1.76e-08 8.06e-08 3.84e-08 8.53e-08 erg/cm2
Peak flux CPL 4.58e-01 5.50e-01 3.37e-01 1.13e-01 1.43e+00 1.46e+00 ph/cm2/s
90%_error_low -1.80e-01 -1.08e-01 -8.22e-02 -1.13e-01 -2.58e-01 -2.80e-01 ph/cm2/s
90%_error_hi 1.76e-01 1.13e-01 8.55e-02 2.40e-01 2.53e-01 3.56e-01 ph/cm2/s
======================================================================
Special notes of this burst