Data Editing
Data Editing
Data Editing
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Demixing<br />
Amplitude<br />
Time<br />
Required for essentially all LBA, & some HBA<br />
datasets.<br />
-The 'A-Team' CassA, CygA etc dominate at<br />
low frequencies & need to be removed.<br />
-demixing allows subtraction of these sources<br />
prior to calibration<br />
Ripples from<br />
CasA etc.<br />
Phase<br />
Raw data, one baseline 3C196<br />
Time<br />
Figures courtesy<br />
George Heald<br />
Same baseline, demixed, calibrated,<br />
3C196 subtracted<br />
Louise Ker, LOFAR-UK <strong>Data</strong> School, 30/08/11
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