1420MHz radio continuum survey of the southern sky (Reich+, 2001)

Computer Science

Scientific paper

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Surveys, Radio Continuum

Scientific paper

The results of an absolutely calibrated radio continuum survey of the South Celestial Hemisphere at a frequency of 1420MHz are presented. Contour maps show the area 0h<=RA<=24h for the declination range -90° to -10°. Contour steps (50mK TB; 3xrms noise) and angular resolution (HPBW 35.4') of the maps match the already existing Stockert telescope Northern Sky Survey at the same frequency (Reich 1982A&AS...48..219R ; Reich & Reich 1986A&AS...63..205R). We compare flux densities of compact and extended sources with published data from the Parkes 64-m telescope and find excellent agreement in general. The survey maps are sensitive enough to constrain synchrotron and thermal emission components which might influence studies of the cosmic microwave background.
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