Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204..647r&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, Aug. 1983, p. 647-654.
Astronomy and Astrophysics
Astronomy
4
Extragalactic Radio Sources, Milky Way Galaxy, Radio Astronomy, Spatial Distribution, Antenna Arrays, Astronomical Maps, Centimeter Waves, Interplanetary Medium, Scintillation, Very Large Array (Vla)
Scientific paper
The present investigation is concerned with Very Large Array (VLA) observations of 44 compact radio sources located within 10 degrees of the galactic plane. Forty of the sources considered are contained in a list of 'scintar' candidates provided by Rickard and Cronyn (1979). The significance of the presented observations is discussed. In connection with the large fraction of double sources and lack of optical identifications with galactic objects, it is concluded that most or all of the sources are extragalactic in nature. On the assumption that these extragalactic sources have the subarcsec structure implied by interplanetary scintillations (IPS) observations, the angular broadening caused by interstellar scattering in the galactic plane must be patchy and less than that inferred from pulsar data by Rickard and Cronyn.
Cronyn Willard M.
Erickson William C.
Perley Richard A.
Rickard Jeremy
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