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: Mon Jan 13 23:58:08 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger446677
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Trigger: 00446677 Segment: 000
BAT Trigger Time: 320189154.752 [s; MET]
Trigger Stop: 320189156.8 [s; MET]
UTC: 2011-02-23T21:25:48.058660 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 150.275688090159 Dec: -68.3291791093942 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.1
Image Trigger?: NO
Rate S/N Ratio: 15.5884572681199 [ if not an image trigger ]
Image S/N Ratio: 7.1
Analysis Position: [ source = BAT ]
RA: 150.275688090159 Dec: -68.3291791093942 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 150.318007935747 Dec: -68.3146242604098 [deg; J2000]
{ 10h 01m 16.3s , -68d 18' 52.6" }
+/- 1.73154649497643 [arcmin] (estimated 90% radius based on SNR)
+/- 0.803004393754581 [arcmin] (formal 1-sigma fit error)
SNR: 13.8834741139095
Angular difference between the analysis and refined position is 1.281561 arcmin
Partial Coding Fraction: 1.015625 [ including projection effects ]
Duration
T90: 61.4479999542236 +/- 11.0534042221947
Measured from: -44.8359999656677
to: 16.6119999885559 [s; relative to TRIGTIME]
T50: 29.9439999461174 +/- 8.65394522916218
Measured from: -28.3679999709129
to: 1.57599997520447 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.992000043392181
to: 1.99200004339218 [s; relative to TRIGTIME]
Total Fluence
Measured from: -45.7919999957085
to: 19.3120000362396 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.373618 0.395527 0.253725 0.087981
0.039551 0.040286 0.035636 0.031561 [error]
Peak 0.019733 0.015329 0.034519 0.005089
0.005144 0.005387 0.004851 0.004079 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 65.104 -45.792 19.312
T90 61.448 -44.836 16.612
T50 29.944 -28.368 1.576
Peak 1.000 0.992 1.992
====== 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 -1.652 -0.212 0.206 - - - 1.01e-03 -1.25e-04 1.22e-04 50.600 57
CPL -1.651 -0.213 0.208 9999.360 -9999.350 -9999.360 1.01e-03 -7.84e-04 -2.90e-04 50.610 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 -1.080 -0.383 0.395 - - - 5.04e-03 -9.98e-04 9.95e-04 67.630 57
CPL -1.072 -0.388 0.396 9999.360 -9999.360 -9999.360 5.07e-03 -9.96e-04 1.02e-02 67.640 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 9.68e-08 1.62e-07 2.06e-07 5.26e-07 6.11e-07 9.91e-07 erg/cm2
90%_error_low -1.66e-08 -1.76e-08 -3.51e-08 -1.66e-07 -8.04e-08 -2.01e-07 erg/cm2
90%_error_hi 1.72e-08 1.75e-08 3.52e-08 2.13e-07 8.21e-08 2.40e-07 erg/cm2
Peak flux PL 1.39e-01 1.80e-01 1.70e-01 2.84e-01 5.84e-01 7.72e-01 ph/cm2/s
90%_error_low -5.48e-02 -4.59e-02 -3.91e-02 -1.24e-01 -1.19e-01 -1.64e-01 ph/cm2/s
90%_error_hi 6.37e-02 4.38e-02 3.77e-02 1.75e-01 1.19e-01 1.75e-01 ph/cm2/s
Fluence CPL 9.87e-08 1.59e-07 1.39e-07 5.85e-07 6.17e-07 9.78e-07 erg/cm2
90%_error_low -8.72e-09 -2.24e-08 -3.09e-08 -3.42e-07 -8.69e-08 -2.80e-07 erg/cm2
90%_error_hi 2.28e-08 3.04e-08 1.52e-08 3.48e-08 7.55e-08 1.79e-07 erg/cm2
Peak flux CPL 1.39e-01 1.80e-01 1.70e-01 2.82e-01 5.83e-01 8.07e-01 ph/cm2/s
90%_error_low N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_hi N/A N/A N/A N/A N/A N/A ph/cm2/s
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