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: Wed Jan 22 22:27:04 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger114485
======================================================================
Trigger: 00114485 Segment: 000
BAT Trigger Time: 134977442.368 [s; MET]
Trigger Stop: 134977444.416 [s; MET]
UTC: 2005-04-12T05:44:02.894760 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 181.120322462344 Dec: -1.25227292288913 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9
Image Trigger?: NO
Rate S/N Ratio: 18.5741756210067 [ if not an image trigger ]
Image S/N Ratio: 9
Analysis Position: [ source = BAT ]
RA: 181.120322462344 Dec: -1.25227292288913 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 181.101457535243 Dec: -1.18516071049333 [deg; J2000]
{ 12h 04m 24.3s , -01d 11' 06.6" }
+/- 1.54742017871378 [arcmin] (estimated 90% radius based on SNR)
+/- 0.884869962203484 [arcmin] (formal 1-sigma fit error)
SNR: 16.3023211016515
Angular difference between the analysis and refined position is 4.182725 arcmin
Partial Coding Fraction: 0.953125 [ including projection effects ]
Duration
T90: 27.5719999969006 +/- 3.5047145410041
Measured from: -6.31999999284744
to: 21.2520000040531 [s; relative to TRIGTIME]
T50: 10.3760000169277 +/- 3.3321734677688
Measured from: -1.63600000739098
to: 8.74000000953674 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.14399999380112
to: 2.14399999380112 [s; relative to TRIGTIME]
Total Fluence
Measured from: -8.28400000929832
to: 23.9079999923706 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.127352 0.250516 0.323186 0.142428
0.024029 0.025303 0.023015 0.020181 [error]
Peak 0.013649 0.012926 0.031446 0.015349
0.004278 0.004599 0.004391 0.003705 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 32.192 -8.284 23.908
T90 27.572 -6.320 21.252
T50 10.376 -1.636 8.740
Peak 1.000 1.144 2.144
====== 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 -0.696 -0.166 0.175 - - - 1.65e-03 -1.60e-04 1.56e-04 28.820 57
CPL -0.695 -0.161 0.232 9999.360 -9999.360 -9999.360 1.66e-03 -1.50e-04 8.11e-04 28.850 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 -0.576 -0.363 0.410 - - - 4.17e-03 -9.71e-04 9.18e-04 69.030 57
CPL -0.511 -0.425 1.901 8344.160 -8344.160 -8344.160 4.13e-03 -8.98e-04 -4.13e-03 69.080 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 3.21e-08 9.71e-08 2.40e-07 1.66e-06 6.50e-07 2.03e-06 erg/cm2
90%_error_low -6.71e-09 -1.25e-08 -2.08e-08 -3.38e-07 -5.80e-08 -3.44e-07 erg/cm2
90%_error_hi 7.32e-09 1.23e-08 2.07e-08 4.06e-07 5.82e-08 4.06e-07 erg/cm2
Peak flux PL 7.14e-02 1.25e-01 1.68e-01 4.63e-01 4.89e-01 8.28e-01 ph/cm2/s
90%_error_low -3.23e-02 -3.89e-02 -3.20e-02 -1.74e-01 -9.84e-02 -1.85e-01 ph/cm2/s
90%_error_hi 4.04e-02 3.85e-02 3.19e-02 2.45e-01 9.93e-02 2.20e-01 ph/cm2/s
Fluence CPL 3.21e-08 9.71e-08 2.37e-07 1.75e-06 6.51e-07 2.01e-06 erg/cm2
90%_error_low N/A -1.42e-08 N/A -7.98e-07 N/A -6.77e-07 erg/cm2
90%_error_hi N/A 1.41e-08 N/A 3.07e-07 N/A 1.80e-07 erg/cm2
Peak flux CPL 6.96e-02 1.25e-01 1.69e-01 4.39e-01 4.88e-01 8.08e-01 ph/cm2/s
90%_error_low -4.33e-02 -4.23e-02 -3.33e-02 -4.39e-01 -1.04e-01 -3.37e-01 ph/cm2/s
90%_error_hi 2.97e-02 3.93e-02 4.47e-02 1.51e-01 9.25e-02 2.22e-01 ph/cm2/s
======================================================================
Special notes of this burst