Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145..405o&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 2, April 1985, p. 405-424. Sponsorship: Nederlandse Organisatie voor
Astronomy and Astrophysics
Astronomy
40
Radio Interferometers, Radio Sources (Astronomy), Astronomical Maps, Centimeter Waves, Data Reduction, Gray Scale, Position (Location), Tables (Data)
Scientific paper
The authors present a deep 21 cm radio survey of the Lynx 2 field selected from the Leiden-Berkeley Deep Survey areas. In the main part of the paper the authors give a review of the data reduction techniques that were used and present a complete radio sample which they used to determine the 1412 MHz source counts and the median angular size at the mJy level. A comparison of this survey with a survey of the same field with the Very Large Array is performed. A systematic position difference as a function of distance to the field center is found. The absolute uncertainties in the coordinate frame and flux scale are determined, as well as the signal-to-noise dependent error distribution. Corrections for systematic influence of the flux determining algorithm are discussed. Finally, a search was made for variable sources in the maps.
Oort J. A. M.
Windhorst Rogier A.
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