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Deep GMRT images of the Spitzer extragalactic First Look Survey at 610 MHz

Published online by Cambridge University Press:  01 August 2006

David A. Green
Affiliation:
Cavendish Laboratory, 19 J.J. Thomson Avenue, Cambridge, CB4 3PT, UK email: dag@mrao.cam.ac.uk, tsg25@cam.ac.uk
Timothy S. Garn
Affiliation:
Cavendish Laboratory, 19 J.J. Thomson Avenue, Cambridge, CB4 3PT, UK email: dag@mrao.cam.ac.uk, tsg25@cam.ac.uk
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We have observed the Spitzer extragalactic First Look Survey (xFLS) region with the Giant Meterwave Radio Telescope (GMRT), near Pune, India, at 610 MHz. Seven pointings were observed with the GMRT, one central and six in a surrounding hexagon. Each field was observed with an integration time of ~ 200 min., in a series of scans spread over a range of LST to improve uv coverage. Two sidebands, each of 16 MHz with 128 channels – to allow narrow band interference to be excised efficiently – were observed. The synthesised beam of the images is ~ 5″ and as the primary beam of the GMRT at 610 MHz is ~ 43′, these seven pointings cover most of the xFLS region.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2007