Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...38..251s&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 38, Nov. 1979, p. 251-263.
Astronomy and Astrophysics
Astronomy
116
Background Radiation, Continuous Radiation, Galactic Radiation, Milky Way Galaxy, Radio Sources (Astronomy), Astronomical Catalogs, Astronomical Maps, Fine Structure, Point Sources, Resolution
Scientific paper
Radio continuum observations at 1420 MHz of the North Polar Spur (NPS) were made with the 100-m telescope. Contour maps are presented for the region from -6 to +20 deg galactic latitude and from 16 to 35 deg galactic longitude with a HPBW of 10 arcmin in order to study the fine structure of the spur. The Narrow Neck region is nearly resolved and is shown to have many subridges. A sharp, thin ridge is found to extend from the main NPS ridge towards lower galactic latitudes, reaching as low as 2 deg. A list of 250 radio sources stronger than 0.25 Jy in the observed region is presented. Source counts show that point sources at latitudes higher than 6 deg are mostly extragalactic. Discussions are given of radio features of the NPS and some other interesting objects found in the mapped region.
Reich Wolfgang
Sofue Yoshiaki
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