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Astron. Astrophys. Suppl. Ser. 140, 145-154

A 45-MHz continuum survey of the northern hemisphere

K. Maeda1 - H. Alvarez2 - J. Aparici2 - J. May2 - P. Reich3

Send offprint request: H. Alvarez

1 - Department of Physics, Hyogo College of Medicine, Nishinomiya, 663-8501, Japan
2 - Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile
3 - Max-Plank-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany

Received June 4; accepted September 3, 1999


We present a survey of the 45 MHz radio continuum emission in the declination range $+5\hbox{$^\circ$ }$ to $+65\hbox{$^\circ$ }$. The observations were made with the circular filled array of the Japanese Midle and Upper Atmosphere Radar with a half-power beam width of $3{{\rlap.}{^{\circ}}}6$. The results are presented in sets of maps in galactic and equatorial coordinates (Epoch 1950).

Key words: radio continuum: ISM -- surveys -- galaxy: structure

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