Astronomy below the Survey Threshold in the SKA era

Astronomy below the Survey Threshold in the SKA era

Astronomy at or below the survey threshold has expanded significantly since the publication of the original Science with the Square Kilometer Array in 1999 and its update in 2004. The techniques in this regime may be broadly (but far from exclusively) defined as confusion or P(D) analyses (analyses...

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Bibliographic Details
Main Authors: Zwart, J., Wall, J., Karim, A., Jackson, Carole, Norris, R., Condon, J., Afonso, J., Heywood, I., Jarvis, M., Navarrete, F., Prandoni, I., Rigby, E., Rottgering, H., Santos, M., Sargent, M., Seymour, Nick, Taylor, R., Vernstrom, T.
Other Authors: Robert Braun
Format: Conference Paper
Published: Proceedings of Science 2014
Online Access:http://pos.sissa.it/archive/conferences/215/172/AASKA14_172.pdf
http://hdl.handle.net/20.500.11937/22198
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Summary:Astronomy at or below the survey threshold has expanded significantly since the publication of the original Science with the Square Kilometer Array in 1999 and its update in 2004. The techniques in this regime may be broadly (but far from exclusively) defined as confusion or P(D) analyses (analyses of one-point statistics), and stacking, accounting for the flux-density distribution of noise-limited images co-added at the positions of objects detected/isolated in a different waveband. Here we discuss the relevant issues, present some examples of recent analyses, and consider some of the consequences for the design and use of surveys with the SKA and its pathfinders.

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