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 26 10:52:51 EST 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger624606
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Trigger: 00624606 Segment: 000
BAT Trigger Time: 442620523.072 [s; MET]
Trigger Stop: 442620524.096 [s; MET]
UTC: 2015-01-10T22:08:30.037560 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 289.359743492699 Dec: 32.5222624222269 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 10.76
Image Trigger?: NO
Rate S/N Ratio: 15.4272486205415 [ if not an image trigger ]
Image S/N Ratio: 10.76
Analysis Position: [ source = BAT ]
RA: 289.359743492699 Dec: 32.5222624222269 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 289.37338688361 Dec: 32.5282052322741 [deg; J2000]
{ 19h 17m 29.6s , +32d 31' 41.5" }
+/- 1.22751743157288 [arcmin] (estimated 90% radius based on SNR)
+/- 0.496412747048057 [arcmin] (formal 1-sigma fit error)
SNR: 22.695303610433
Angular difference between the analysis and refined position is 0.776872 arcmin
Partial Coding Fraction: 0.9609375 [ including projection effects ]
Duration
T90: 10.5799999833107 +/- 0.950166307490648
Measured from: -7.25200003385544
to: 3.32799994945526 [s; relative to TRIGTIME]
T50: 6.45199996232986 +/- 1.43298848937098
Measured from: -4.21200001239777
to: 2.2399999499321 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.73600000143051
to: 2.73600000143051 [s; relative to TRIGTIME]
Total Fluence
Measured from: -7.93999999761581
to: 3.77199995517731 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.320475 0.372016 0.203824 0.043985
0.022214 0.022588 0.018939 0.015142 [error]
Peak 0.041141 0.067549 0.052036 0.021915
0.006744 0.007139 0.006311 0.004824 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 11.712 -7.940 3.772
T90 10.580 -7.252 3.328
T50 6.452 -4.212 2.240
Peak 1.000 1.736 2.736
====== 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 -1.887 -0.135 0.131 - - - 4.57e-03 -3.89e-04 3.83e-04 49.710 57
CPL -1.294 -0.543 0.624 51.654 -11.391 73.733 9.82e-03 -4.86e-03 1.21e-02 46.190 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 -1.358 -0.196 0.196 - - - 1.13e-02 -1.32e-03 1.31e-03 44.840 57
CPL -0.947 -0.512 0.901 126.855 -60.512 -126.855 1.84e-02 -8.14e-03 3.37e-02 44.000 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 9.83e-08 1.43e-07 1.54e-07 3.12e-07 4.92e-07 7.07e-07 erg/cm2
90%_error_low -1.04e-08 -1.02e-08 -1.79e-08 -6.73e-08 -4.11e-08 -8.67e-08 erg/cm2
90%_error_hi 1.07e-08 1.02e-08 1.80e-08 7.89e-08 4.17e-08 9.55e-08 erg/cm2
Peak flux PL 4.06e-01 4.45e-01 3.47e-01 4.45e-01 1.36e+00 1.64e+00 ph/cm2/s
90%_error_low -7.92e-02 -5.57e-02 -4.98e-02 -1.18e-01 -1.58e-01 -1.96e-01 ph/cm2/s
90%_error_hi 8.35e-02 5.51e-02 4.93e-02 1.43e-01 1.58e-01 1.99e-01 ph/cm2/s
Fluence CPL 9.23e-08 1.53e-07 1.52e-07 1.19e-07 4.63e-07 5.17e-07 erg/cm2
90%_error_low -1.19e-08 -1.35e-08 -2.04e-08 -6.61e-08 -4.73e-08 -8.30e-08 erg/cm2
90%_error_hi 1.20e-08 1.39e-08 1.98e-08 1.63e-07 4.87e-08 1.68e-07 erg/cm2
Peak flux CPL 3.80e-01 4.64e-01 3.59e-01 2.73e-01 1.34e+00 1.48e+00 ph/cm2/s
90%_error_low -9.36e-02 -6.58e-02 -5.47e-02 -1.59e-01 -1.64e-01 -2.37e-01 ph/cm2/s
90%_error_hi 9.62e-02 6.87e-02 5.64e-02 2.15e-01 1.63e-01 2.87e-01 ph/cm2/s
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