Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aj.....80..931v&link_type=abstract
Astronomical Journal, vol. 80, Nov. 1975, p. 931-954.
Astronomy and Astrophysics
Astronomy
76
Astronomical Catalogs, Flux Quantization, Radio Sources (Astronomy), Astronomical Coordinates, Error Analysis, High Frequencies, Position (Location), Sky Surveys (Astronomy), Stellar Structure, Tables (Data)
Scientific paper
The results of the Clark Lake 26.3-MHz Sky Survey are presented. Data concerning the apparent fluxes and positions of 471 radio sources in the declination range 3-63 deg are given. Almost all of these sources are identified with 3CR or 4C sources, and upper limits are placed on the fluxes of all 3CR sources which could not be found. The flux scale for this survey is based upon the absolute flux determinations of Viner (1975, Paper I of this series). The procedures employed and the errors are discussed. Low-frequency flux scales are discussed and comparisons are made with other workers. The Kellermann, Pauliny-Toth, and Williams (1969) scale should be raised by 11% to agree with the Clark Lake scale. The Penticton scale (Roger, Bridle, and Costain 1973) and the Clark Lake scale agree very well. The Grakovo scale (Bruk et al. 1968; Braude et al. 1969a) appears to be highly nonlinear and about 30% above the Clark Lake scale.
Erickson William C.
Viner M. R.
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