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 00:18:17 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger535026
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Trigger: 00535026 Segment: 000
BAT Trigger Time: 370808592 [s; MET]
Trigger Stop: 370808656 [s; MET]
UTC: 2012-10-01T18:23:02.288260 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 276.032542704368 Dec: -5.66707146788107 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.79
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 9.79
Analysis Position: [ source = BAT ]
RA: 276.032542704368 Dec: -5.66707146788107 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 276.032652738635 Dec: -5.66746101233414 [deg; J2000]
{ 18h 24m 07.8s , -05d 40' 02.9" }
+/- 1.51295989025431 [arcmin] (estimated 90% radius based on SNR)
+/- 0.685078133259708 [arcmin] (formal 1-sigma fit error)
SNR: 16.8353470408549
Angular difference between the analysis and refined position is 0.024278 arcmin
Partial Coding Fraction: 1 [ including projection effects ]
Duration
T90: 147.823999941349 +/- 18.6049249307883
Measured from: -22.7879999876022
to: 125.035999953747 [s; relative to TRIGTIME]
T50: 61.7359999418259 +/- 24.4651086343509
Measured from: -6.38800001144409
to: 55.3479999303818 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 3.27200001478195
to: 4.27200001478195 [s; relative to TRIGTIME]
Total Fluence
Measured from: -27.727999985218
to: 142.967999994755 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.764618 0.981461 0.785278 0.204625
0.084112 0.075263 0.062830 0.053878 [error]
Peak 0.016752 0.022189 0.014835 0.003988
0.007066 0.005901 0.004852 0.004226 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 170.696 -27.728 142.968
T90 147.824 -22.788 125.036
T50 61.736 -6.388 55.348
Peak 1.000 3.272 4.272
====== 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: N/A)
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 -1.351 -0.147 0.149 - - - 1.03e-03 -8.19e-05 8.18e-05 90.120 57
CPL -1.285 -0.202 0.587 546.780 -546.780 -546.780 1.10e-03 -1.51e-04 9.66e-04 90.090 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 -1.711 -0.575 0.542 - - - 3.47e-03 -1.14e-03 1.10e-03 47.010 57
CPL -1.205 -1.058 2.732 74.304 -74.304 -74.304 6.40e-03 -6.40e-03 1.77e-01 46.800 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 1.95e-07 3.92e-07 6.15e-07 2.13e-06 1.71e-06 3.33e-06 erg/cm2
90%_error_low -2.96e-08 -3.58e-08 -6.10e-08 -4.42e-07 -1.49e-07 -4.84e-07 erg/cm2
90%_error_hi 3.10e-08 3.54e-08 6.06e-08 5.22e-07 1.51e-07 5.50e-07 erg/cm2
Peak flux PL 1.75e-01 1.55e-01 9.49e-02 8.78e-02 4.62e-01 5.13e-01 ph/cm2/s
90%_error_low -7.93e-02 -4.80e-02 -3.92e-02 -5.55e-02 -1.40e-01 -1.52e-01 ph/cm2/s
90%_error_hi 9.03e-02 4.73e-02 3.93e-02 9.62e-02 1.41e-01 1.53e-01 ph/cm2/s
Fluence CPL 1.92e-07 3.94e-07 6.18e-07 1.93e-06 1.70e-06 3.13e-06 erg/cm2
90%_error_low -3.61e-08 -3.73e-08 -5.51e-08 -1.06e-06 -1.67e-07 -1.07e-06 erg/cm2
90%_error_hi 2.85e-08 4.04e-08 6.64e-08 3.19e-07 1.57e-07 3.60e-07 erg/cm2
Peak flux CPL 1.61e-01 1.63e-01 9.73e-02 4.87e-02 4.51e-01 4.70e-01 ph/cm2/s
90%_error_low -9.38e-02 -5.54e-02 N/A -4.87e-02 -1.46e-01 N/A ph/cm2/s
90%_error_hi 1.01e-01 5.93e-02 N/A 6.06e-02 1.46e-01 N/A ph/cm2/s
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