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: Sun Jan 12 22:35:13 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger542441
======================================================================
Trigger: 00542441 Segment: 000
BAT Trigger Time: 377421477.888 [s; MET]
Trigger Stop: 377421478.912 [s; MET]
UTC: 2012-12-17T07:17:47.893900 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 153.72364002391 Dec: -62.30383321643 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 8.88
Image Trigger?: NO
Rate S/N Ratio: 20.4939015319192 [ if not an image trigger ]
Image S/N Ratio: 8.88
Analysis Position: [ source = BAT ]
RA: 153.72364002391 Dec: -62.30383321643 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 153.709654462856 Dec: -62.3547400564023 [deg; J2000]
{ 10h 14m 50.3s , -62d 21' 17.1" }
+/- 0.854711100208287 [arcmin] (estimated 90% radius based on SNR)
+/- 0.407439340694848 [arcmin] (formal 1-sigma fit error)
SNR: 38.0644287758287
Angular difference between the analysis and refined position is 3.079168 arcmin
Partial Coding Fraction: 0.9921875 [ including projection effects ]
Duration
T90: 778.091999948025 +/- 16.1379687707901
Measured from: -11.6320000290871
to: 766.459999918938 [s; relative to TRIGTIME]
T50: 128.015999913216 +/- 322.562169173793
Measured from: 608.740000009537
to: 736.755999922752 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 735.959999978542
to: 736.959999978542 [s; relative to TRIGTIME]
Total Fluence
Measured from: -17.7319999933243
to: 783.759999990463 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 3.029455 3.953523 2.862401 0.651227
0.145425 0.147412 0.126853 0.109185 [error]
Peak 0.062619 0.083078 0.063784 0.021050
0.006137 0.006371 0.005613 0.004427 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 801.492 -17.732 783.760
T90 778.092 -11.632 766.460
T50 128.016 608.740 736.756
Peak 1.000 735.960 736.960
====== 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 -1.540 -0.083 0.083 - - - 8.16e-04 -3.63e-05 3.61e-05 53.360 57
CPL -1.497 -0.121 0.272 589.351 -589.351 -589.351 8.57e-04 -7.53e-05 2.96e-04 53.410 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 -1.479 -0.147 0.146 - - - 1.41e-02 -1.21e-03 1.20e-03 54.410 57
CPL -1.332 -0.280 0.569 226.072 -226.072 -226.072 1.68e-02 -5.26e-03 1.53e-02 54.170 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 8.67e-07 1.55e-06 2.14e-06 6.10e-06 6.17e-06 1.07e-05 erg/cm2
90%_error_low -6.93e-08 -7.32e-08 -1.25e-07 -7.60e-07 -2.97e-07 -8.50e-07 erg/cm2
90%_error_hi 7.12e-08 7.29e-08 1.25e-07 8.34e-07 2.98e-07 9.10e-07 erg/cm2
Peak flux PL 5.70e-01 5.81e-01 4.17e-01 4.77e-01 1.75e+00 2.04e+00 ph/cm2/s
90%_error_low -8.00e-02 -5.13e-02 -4.54e-02 -9.89e-02 -1.47e-01 -1.73e-01 ph/cm2/s
90%_error_hi 8.32e-02 5.09e-02 4.50e-02 1.14e-01 1.47e-01 1.74e-01 ph/cm2/s
Fluence CPL 8.67e-07 1.56e-06 2.14e-06 6.07e-06 6.16e-06 1.06e-05 erg/cm2
90%_error_low -8.43e-08 -7.29e-08 -9.90e-08 -2.29e-06 -3.38e-07 -2.29e-06 erg/cm2
90%_error_hi 5.50e-08 8.33e-08 1.31e-07 5.00e-07 2.96e-07 5.36e-07 erg/cm2
Peak flux CPL 5.55e-01 5.89e-01 4.22e-01 3.97e-01 1.74e+00 1.96e+00 ph/cm2/s
90%_error_low -9.45e-02 -5.72e-02 -4.83e-02 -1.86e-01 -1.52e-01 -2.50e-01 ph/cm2/s
90%_error_hi 4.79e-02 6.00e-02 4.96e-02 1.34e-01 1.52e-01 2.41e-01 ph/cm2/s
======================================================================
Special notes of this burst