A search for Galactic compact radio sources - Scintillating sources at low Galactic latitudes

Details A search for Galactic compact radio sources - Scintillating sources at low Galactic latitudes A search for Galactic compact radio sources - Scintillating sources at low Galactic latitudes

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989azh....66..897p&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 66, Sept.-Oct. 1989, p. 897-906. In Russian.

Astronomy and Astrophysics

Astronomy

1

Compact Galaxies, Radio Sources (Astronomy), Scintillation, Sky Surveys (Astronomy), Astronomical Catalogs, Milky Way Galaxy, Peculiar Galaxies, Quasars, Spatial Distribution

Scientific paper

A search for compact scintillating radio sources with angular sizes less than 1.5 arcsec in the region l = 34-71 deg, absolute value b less than or equal to 6 deg was performed at 102.5 MHz using the BSA telescope. A total of 58 scintillating sources were detected and 49 of them were observed as compact sources for the first time. Comparison with radio sources from standard catalogs reveals that three sources have one component, eight are unidentified, 37 have a complicated structure of core-halo type, and 10 may have a one-component or multicomponent structure. The five galactic sources include G 34.2+1.7, G 41.6-30, and 40.8-4.7. The nature of these sources is discussed. A strong dependence of angular sizes of sources on galactic coordinates is detected, indicating increased scattering in the galactic plane, especially in the arms. Eight new compact unidentified radio sources are noted that may be potential candidates for short-period quasars or peculiar galactic objects similar to SS 433.

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