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J/MNRAS/387/1037 610-MHz survey of Lockman Hole with GMRT (Garn+, 2008)
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Beginning of ReadMe :J/MNRAS/387/1037 610-MHz survey of Lockman Hole with GMRT (Garn+, 2008)
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A 610-MHz survey of the Lockman Hole with the Giant Metrewave Radio Telescope.
I. Observations, data reduction and source catalogue for the central 5 deg^2^.
Garn T., Green D.A., Riley J. M., Alexander P.
<Mon. Not. R. Astron. Soc. 387, 1037 (2008)>
=2008MNRAS.387.1037G
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ADC_Keywords: Radio sources ; Surveys
Keywords: surveys - catalogues - radio continuum: galaxies
Abstract:
We present observations of the Lockman Hole with the Giant Metrewave
Radio Telescope (GMRT). Twelve pointings were observed, covering a
total area of 5deg^2^ with a resolution of 6x5arcsec^2^, position
angle +45deg. The majority of the pointings have an rms noise of
60uJy/beam before correction for the attenuation of the GMRT primary
beam. Techniques used for data reduction and production of a mosaicked
image of the region are described, and the final mosaic is presented,
along with a catalogue of 2845 sources detected above 6sigma. Radio
source counts are calculated at 610-MHz and combined with existing
1.4-GHz source counts, in order to show that pure luminosity evolution
of the local radio luminosity functions for active galactic nuclei and
starburst galaxies is sufficient to account for the two source counts
simultaneously.
Description:
Observations were made in two 16-MHz sidebands centred on 610MHz, each
split into 128 spectral channels, with a 16.9s integration time.