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 Mar 3 23:49:28 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger585128
======================================================================
Trigger: 00585128 Segment: 000
BAT Trigger Time: 412658651.008 [s; MET]
Trigger Stop: 412658655.104 [s; MET]
UTC: 2014-01-29T03:23:59.430600 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 37.868986842113 Dec: -1.5867151917387 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.08
Image Trigger?: NO
Rate S/N Ratio: 8.48528137423857 [ if not an image trigger ]
Image S/N Ratio: 7.08
Analysis Position: [ source = BAT ]
RA: 37.868986842113 Dec: -1.5867151917387 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 37.8569698796769 Dec: -1.58455560323377 [deg; J2000]
{ 02h 31m 25.7s , -01d 35' 04.4" }
+/- 2.34334837844173 [arcmin] (estimated 90% radius based on SNR)
+/- 0.973537501729152 [arcmin] (formal 1-sigma fit error)
SNR: 9.01114567343337
Angular difference between the analysis and refined position is 0.732297 arcmin
Partial Coding Fraction: 0.5703125 [ including projection effects ]
Duration
T90: 3 +/- 1.4142135623731
Measured from: 0.991999983787537
to: 3.99199998378754 [s; relative to TRIGTIME]
T50: 2 +/- 1
Measured from: 0.991999983787537
to: 2.99199998378754 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.99199998378754
to: 2.99199998378754 [s; relative to TRIGTIME]
Total Fluence
Measured from: 0.991999983787537
to: 3.99199998378754 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.082856 0.111878 0.025791 0.016275
0.014433 0.014639 0.012815 0.011519 [error]
Peak 0.026394 0.048005 0.023137 0.009458
0.008378 0.008909 0.007742 0.006586 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 3.000 0.992 3.992
T90 3.000 0.992 3.992
T50 2.000 0.992 2.992
Peak 1.000 1.992 2.992
====== 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 -1.965 -0.342 0.313 - - - 4.62e-03 -1.05e-03 1.02e-03 53.440 57
CPL -0.532 -1.603 4.741 38.335 N/A N/A 3.52e-02 N/A N/A 52.600 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 -1.617 -0.459 0.426 - - - 6.75e-03 -1.80e-03 1.71e-03 34.970 57
CPL -1.615 -1.845 1.173 9999.200 N/A N/A 6.76e-03 N/A N/A 34.970 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 2.75e-08 3.80e-08 3.90e-08 7.28e-08 1.28e-07 1.77e-07 erg/cm2
90%_error_low -6.37e-09 -6.68e-09 -1.17e-08 -3.54e-08 -2.70e-08 -5.08e-08 erg/cm2
90%_error_hi 6.55e-09 6.63e-09 1.22e-08 5.28e-08 2.81e-08 6.45e-08 erg/cm2
Peak flux PL 3.11e-01 2.92e-01 1.90e-01 1.92e-01 8.73e-01 9.86e-01 ph/cm2/s
90%_error_low -1.14e-01 -7.07e-02 -6.50e-02 -1.06e-01 -2.06e-01 -2.37e-01 ph/cm2/s
90%_error_hi 1.24e-01 6.99e-02 6.35e-02 1.60e-01 2.06e-01 2.40e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -6.37e-09 -6.68e-09 -1.17e-08 -3.54e-08 -2.70e-08 -5.08e-08 erg/cm2
90%_error_hi 6.55e-09 6.63e-09 1.22e-08 5.28e-08 2.81e-08 6.45e-08 erg/cm2
Peak flux CPL 3.15e-01 2.89e-01 1.89e-01 2.04e-01 8.76e-01 1.00e+00 ph/cm2/s
90%_error_low N/A -7.00e-02 -1.37e-01 N/A -2.17e-01 -2.64e-01 ph/cm2/s
90%_error_hi N/A 8.92e-02 -4.48e-02 N/A 2.09e-01 2.14e-01 ph/cm2/s
======================================================================
Special notes of this burst