Radio continuum observations of the galactic centre at 4.75 and 10.7 GHz

Details Radio continuum observations of the galactic centre at 4.75 and 10.7 GHz Radio continuum observations of the galactic centre at 4.75 and 10.7 GHz

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26as...81..291s&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 81, no. 3, Dec. 1989, p. 291-302. Research supported by the

Astronomy and Astrophysics

Astronomy

15

Centimeter Waves, Galactic Nuclei, Radio Sources (Astronomy), Milky Way Galaxy, Polarization (Waves), Sagittarius Constellation

Scientific paper

Radio continuum observations of the galactic center region at 10.7 GHz (2.8 cm) and 4.75 GHz (6.3 cm) have been made with the Effelsberg 100 m radiotelescope, with good dynamic range and sensitivity. Several new features have been found in a large region including Sgr A and Sgr B2. The data are presented in a series of total intensity maps including two where the smooth background has been subtracted revealing several new small diameter sources. In addition the polarization map at 10.7 GHz is presented. A list of sources and a brief discussion of a few interesting objects is included. The data are intended to be used in future investigations at other frequencies and/or spectral domains.

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