Astronomy and Astrophysics Supplement Series

Free access article

DOI: 10.1051/aas:1997358

A&A Supplement Ser., Vol. 124, August 1997, 259-280

Received May 30; accepted October 25, 1996

The Westerbork Northern Sky Survey (WENSS)

I. A 570 square degree Mini-Survey around the North Ecliptic Pole

R.B. Rengelink - Y. Tang - A.G. de Bruyn - G.K. Miley - M.N. Bremer - H.J.A. Röttgering - M.A.R. Bremer

Send offprint request: R.B. Rengelink

Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands
Netherlands Foundation for Research in Astronomy, Postbus 2, 7990 AA Dwingeloo, The Netherlands
Kapteyn Astronomical Institute, Postbus 800, 9700 AV Groningen, The Netherlands
Institute of Astronomy, Madingley Road, Cambridge, CB3 0HE, UK
Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge, CB3 0HE, UK
Space Research Organization of the Netherlands, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands

Abstract:

The Westerbork Northern Sky Survey (WENSS) is a low-frequency radio survey that will cover the whole sky north of at a wavelength of 92 cm to a limiting flux density of approximately 18 mJy (). This survey has a resolution of and a positional accuracy for strong sources of 1.5''. Here we present a source list comprising 11299 sources and maps of 120 extended sources for a 570 square degree region around the north ecliptic pole, the so-called mini-survey. We discuss the errors and reliability of the source parameters and the completeness of the survey.

keywords: surveys -- radio continuum: general

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