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: Mon Jan 13 03:59:03 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger525451
======================================================================
Trigger: 00525451 Segment: 000
BAT Trigger Time: 362791062.144 [s; MET]
Trigger Stop: 362791062.656 [s; MET]
UTC: 2012-06-30T23:17:33.768120 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 352.284720356421 Dec: 42.509854645773 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 6.87
Image Trigger?: NO
Rate S/N Ratio: 13.856406460551 [ if not an image trigger ]
Image S/N Ratio: 6.87
Analysis Position: [ source = BAT ]
RA: 352.284720356421 Dec: 42.509854645773 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 352.30163391658 Dec: 42.4946321895834 [deg; J2000]
{ 23h 29m 12.4s , +42d 29' 40.7" }
+/- 2.72548590820523 [arcmin] (estimated 90% radius based on SNR)
+/- 1.62278977496944 [arcmin] (formal 1-sigma fit error)
SNR: 7.26198934334174
Angular difference between the analysis and refined position is 1.180663 arcmin
Partial Coding Fraction: 0.65625 [ including projection effects ]
Duration
T90: 0.595999896526337 +/- 0.209914213178579
Measured from: -0.0119999647140503
to: 0.583999931812286 [s; relative to TRIGTIME]
T50: 0.247999966144562 +/- 0.18822332093353
Measured from: 0.208000004291534
to: 0.455999970436096 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -0.212000012397766
to: 0.787999987602234 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0320000052452087
to: 0.607999980449677 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.020245 0.023955 0.028494 0.011595
0.005865 0.006160 0.005939 0.004586 [error]
Peak 0.012935 0.027562 0.028408 0.003198
0.007286 0.007427 0.006940 0.005520 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 0.640 -0.032 0.608
T90 0.596 -0.012 0.584
T50 0.248 0.208 0.456
Peak 1.000 -0.212 0.788
====== 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 -1.030 -0.395 0.421 - - - 8.79e-03 -2.03e-03 1.97e-03 45.560 57
CPL -1.023 -0.399 0.467 9999.310 -9999.310 -9999.310 8.83e-03 -1.99e-03 1.32e-02 45.560 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 -0.960 -0.487 0.548 - - - 5.31e-03 -1.59e-03 1.53e-03 47.480 57
CPL -0.750 -3.347 1.824 370.750 N/A N/A 6.48e-03 N/A N/A 47.480 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 4.63e-09 1.14e-08 2.23e-08 1.08e-07 6.02e-08 1.46e-07 erg/cm2
90%_error_low -2.04e-09 -3.35e-09 -5.26e-09 -4.94e-08 -1.36e-08 -5.28e-08 erg/cm2
90%_error_hi 2.42e-09 3.19e-09 5.11e-09 7.22e-08 1.36e-08 7.20e-08 erg/cm2
Peak flux PL 1.31e-01 1.82e-01 1.87e-01 3.51e-01 6.11e-01 8.50e-01 ph/cm2/s
90%_error_low -7.17e-02 -7.08e-02 -5.34e-02 -1.78e-01 -1.80e-01 -2.41e-01 ph/cm2/s
90%_error_hi 9.14e-02 6.84e-02 5.26e-02 2.75e-01 1.82e-01 2.58e-01 ph/cm2/s
Fluence CPL 4.63e-09 1.14e-08 2.16e-08 1.09e-07 6.00e-08 1.37e-07 erg/cm2
90%_error_low N/A N/A -6.07e-09 -7.37e-08 -1.72e-08 -6.45e-08 erg/cm2
90%_error_hi N/A N/A 8.19e-09 2.99e-08 1.74e-08 7.74e-08 erg/cm2
Peak flux CPL 1.26e-01 1.82e-01 1.90e-01 3.16e-01 6.08e-01 8.13e-01 ph/cm2/s
90%_error_low -9.71e-02 -7.09e-02 -5.61e-02 -3.16e-01 -1.84e-01 -3.21e-01 ph/cm2/s
90%_error_hi 8.18e-02 7.15e-02 6.69e-02 2.96e-01 1.78e-01 2.85e-01 ph/cm2/s
======================================================================
Special notes of this burst