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: Sun May 24 00:17:42 EDT 2015
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger210254
======================================================================
Trigger: 00210254 Segment: 000
BAT Trigger Time: 169454616 [s; MET]
Trigger Stop: 169454680 [s; MET]
UTC: 2006-05-16T06:43:34.803820 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 71.1776265196255 Dec: -18.1132631831351 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 9.43
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 9.43
Analysis Position: [ source = BAT ]
RA: 71.1776265196255 Dec: -18.1132631831351 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 71.1737782623283 Dec: -18.126590211845 [deg; J2000]
{ 04h 44m 41.7s , -18d 07' 35.7" }
+/- 2.63967288335655 [arcmin] (estimated 90% radius based on SNR)
+/- 1.40995325023373 [arcmin] (formal 1-sigma fit error)
SNR: 7.60158114105145
Angular difference between the analysis and refined position is 0.829187 arcmin
Partial Coding Fraction: 0.796875 [ including projection effects ]
Duration
T90: 128 +/- 35.7770876399966
Measured from: -47
to: 81 [s; relative to TRIGTIME]
T50: 64 +/- 22.6274169979695
Measured from: -15
to: 49 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 56.5
to: 57.5 [s; relative to TRIGTIME]
Total Fluence
Measured from: -47
to: 97 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.648574 0.653196 0.286961 0.030002
0.066103 0.069106 0.063186 0.063552 [error]
Peak 0.008731 0.011279 0.005521 0.002638
0.005537 0.005795 0.005312 0.005458 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 144.000 -47.000 97.000
T90 128.000 -47.000 81.000
T50 64.000 -15.000 49.000
Peak 1.000 56.500 57.500
====== 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 -2.040 -0.240 0.225 - - - 6.44e-04 -1.08e-04 1.06e-04 77.880 57
CPL -0.803 -1.081 1.578 36.262 -17.501 13.632 3.73e-03 -3.73e-03 3.43e-02 73.880 56
=== 1-s peak 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 -1.706 -1.424 1.187 - - - 1.59e-03 -1.20e-03 1.17e-03 33.350 57
CPL -0.104 -2.205 0.104 48.955 N/A N/A 1.37e-02 N/A N/A 32.670 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 1.97e-07 2.61e-07 2.54e-07 4.42e-07 8.58e-07 1.15e-06 erg/cm2
90%_error_low -3.19e-08 -3.33e-08 -5.63e-08 -1.64e-07 -1.31e-07 -2.40e-07 erg/cm2
90%_error_hi 3.25e-08 3.31e-08 5.88e-08 2.21e-07 1.36e-07 2.84e-07 erg/cm2
Peak flux PL 7.94e-02 7.09e-02 4.35e-02 4.06e-02 2.11e-01 2.35e-01 ph/cm2/s
90%_error_low -7.94e-02 -7.09e-02 -4.35e-02 -4.06e-02 -1.40e-01 -1.57e-01 ph/cm2/s
90%_error_hi 7.87e-02 4.72e-02 4.20e-02 1.27e-01 1.40e-01 1.63e-01 ph/cm2/s
Fluence CPL 1.86e-07 3.00e-07 2.15e-07 5.78e-08 7.46e-07 7.58e-07 erg/cm2
90%_error_low -3.55e-08 -4.70e-08 -8.57e-08 N/A -1.36e-07 -1.47e-07 erg/cm2
90%_error_hi 3.52e-08 4.94e-08 7.72e-08 N/A 1.59e-07 2.98e-07 erg/cm2
Peak flux CPL 6.30e-02 9.38e-02 4.01e-02 2.96e-03 2.00e-01 1.99e-01 ph/cm2/s
90%_error_low -6.30e-02 -9.38e-02 -4.01e-02 -2.96e-03 -1.33e-01 -1.35e-01 ph/cm2/s
90%_error_hi 8.68e-02 6.94e-02 5.42e-02 7.13e-02 1.39e-01 1.71e-01 ph/cm2/s
======================================================================
Special notes of this burst