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.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Sun Jan 19 12:32:35 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger377487
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Trigger: 00377487 Segment: 000
BAT Trigger Time: 281296750.08 [s; MET]
Trigger Stop: 281296751.104 [s; MET]
UTC: 2009-11-30T17:59:04.773120 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 203.098397836289 Dec: 34.0753830112892 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.78
Image Trigger?: NO
Rate S/N Ratio: 14.2828568570857 [ if not an image trigger ]
Image S/N Ratio: 7.78
Analysis Position: [ source = BAT ]
RA: 203.098397836289 Dec: 34.0753830112892 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 203.147297894378 Dec: 34.0869269740027 [deg; J2000]
{ 13h 32m 35.4s , +34d 05' 12.9" }
+/- 1.31679771749279 [arcmin] (estimated 90% radius based on SNR)
+/- 0.559297929773727 [arcmin] (formal 1-sigma fit error)
SNR: 20.5294284452897
Angular difference between the analysis and refined position is 2.526856 arcmin
Partial Coding Fraction: 0.7734375 [ including projection effects ]
Duration
T90: 101.759999930859 +/- 24.0315634280469
Measured from: -5.83599996566772
to: 95.9239999651909 [s; relative to TRIGTIME]
T50: 31.8879998922348 +/- 6.30764996930951
Measured from: 1.49200004339218
to: 33.379999935627 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.0640000104904175
to: 1.06400001049042 [s; relative to TRIGTIME]
Total Fluence
Measured from: -28.6559999585152
to: 127.388000011444 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 1.082411 1.110622 0.576647 0.153630
0.067421 0.069829 0.061550 0.054287 [error]
Peak 0.036886 0.048177 0.036122 0.015742
0.006441 0.006848 0.006061 0.005043 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 156.044 -28.656 127.388
T90 101.760 -5.836 95.924
T50 31.888 1.492 33.380
Peak 1.000 0.064 1.064
====== 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 -2.086 -0.147 0.141 - - - 1.01e-03 -9.86e-05 9.71e-05 59.430 57
CPL -1.516 -0.487 0.633 34.059 -28.527 13.288 2.19e-03 -1.01e-03 3.01e-03 56.150 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 -1.198 -0.265 0.278 - - - 9.17e-03 -1.30e-03 1.30e-03 67.540 57
CPL -1.211 -0.250 0.297 9999.360 -9999.360 -9999.360 9.22e-03 -1.31e-03 1.31e-03 67.570 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 3.50e-07 4.51e-07 4.25e-07 7.06e-07 1.46e-06 1.93e-06 erg/cm2
90%_error_low -3.59e-08 -3.36e-08 -5.63e-08 -1.68e-07 -1.29e-07 -2.37e-07 erg/cm2
90%_error_hi 3.65e-08 3.36e-08 5.76e-08 2.02e-07 1.31e-07 2.62e-07 erg/cm2
Peak flux PL 2.83e-01 3.41e-01 2.97e-01 4.44e-01 1.08e+00 1.36e+00 ph/cm2/s
90%_error_low -8.10e-02 -6.11e-02 -4.92e-02 -1.43e-01 -1.60e-01 -2.02e-01 ph/cm2/s
90%_error_hi 8.77e-02 5.88e-02 4.81e-02 1.86e-01 1.61e-01 2.06e-01 ph/cm2/s
Fluence CPL 3.35e-07 4.81e-07 4.06e-07 2.56e-07 1.37e-06 1.48e-06 erg/cm2
90%_error_low -3.95e-08 -4.38e-08 -6.89e-08 -1.55e-07 -1.47e-07 -2.22e-07 erg/cm2
90%_error_hi 3.96e-08 4.49e-08 6.50e-08 4.05e-07 1.54e-07 4.30e-07 erg/cm2
Peak flux CPL 2.83e-01 3.41e-01 2.94e-01 4.40e-01 1.08e+00 1.36e+00 ph/cm2/s
90%_error_low -8.12e-02 -6.25e-02 -4.83e-02 N/A -1.70e-01 -2.29e-01 ph/cm2/s
90%_error_hi 8.77e-02 6.03e-02 5.23e-02 N/A 1.62e-01 1.98e-01 ph/cm2/s
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