High-frequency structure of Ooty occultation sources. II

Details High-frequency structure of Ooty occultation sources. II High-frequency structure of Ooty occultation sources. II

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85.1577m&link_type=abstract

Astronomical Journal, vol. 85, Dec. 1980, p. 1577-1581. Research supported by the Natural Sciences and Engineering Research Cou

Astronomy and Astrophysics

Astronomy

2

High Frequencies, Lunar Occultation, Radio Interferometers, Radio Sources (Astronomy), Galactic Structure, Position (Location), Quasars, Radio Galaxies, Radio Spectra, Radio Telescopes, X Ray Sources

Scientific paper

A sample of 57 sources from the Ooty Lunar Occultation survey at 327 MHz has been studied using the 3-element interferometer system at Green Bank at frequencies 2.7 and 8.1 GHz. A comparison of the angular separation at low and high frequencies for well resolved double sources does not show any frequency-dependent effects. The mean spectral index of the 42 doubles in the sample is 0.92, considerably steeper than the usual mixed samples. The source 1417-19 is found to be a triple source, with a strong central component coinciding with the N galaxy suggested as the identification.

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