Wide-band, wide field imaging

Danielle Fenech with Muxlow, Laing

Wide-field images are commonly classed as images having large numbers of resolution elements (i.e. beamwidths) across them. They are usually required when surveying large regions of the sky at once, whether for multiple objects or large single objects. There are several issues that need to be addressed when producing wide-field images, which include:
  • Bandwidth smearing
  • Time-average smearing
  • Non-coplanar arrays
  • Confusing sources
  • Primary beam response
See http://astrowiki.physics.ox.ac.uk/ERIS2009/WebHome#Links_to_data_and_scripts Continuum: MERLIN Wide-field, wide band imaging
Topic revision: r1 - 01 Sep 2009, AnitaRichards
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