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Typical Reduction<br />

LBA<br />

LBA or HBA?<br />

HBA (typically done by RO)<br />

Demix<br />

High res clean<br />

component model<br />

BBS<br />

YES<br />

Bright, central<br />

source?<br />

Long baselines may need to be<br />

flagged with coarser VLSS models<br />

Global calibration useful for all,<br />

but essential for faint fields<br />

No<br />

NDPPP<br />

Model from<br />

pyBDSM+VLSS<br />

BBS<br />

Check & flag solutions,<br />

corrected data<br />

Check & flag solutions,<br />

corrected data<br />

Self-Cal: casapy image,<br />

bbs, casapy2bbs<br />

Image in Casapy<br />

Louise Ker, LOFAR-UK <strong>Data</strong> School, 30/08/11

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