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Fan-beam Observations of Bright Galaxies

Published online by Cambridge University Press:  25 April 2016

M.J. Cameron
Affiliation:
School of Physics, University of Sydney
J.R. Glanfield
Affiliation:
School of Physics, University of Sydney

Extract

A survey has been made of 139 bright southern galaxies using the 1´.5 X 4° fan beam of the E-W arm of the Mills cross. These represent a largely complete sample of galaxies down to a limiting total optical magnitude of ~11.0 when corrected for Galactic absorption by 0.35 cosec β and for internal absorption due to the tilt of the emitting galaxy. Of these, 54 were detected down to a limiting radio flux of 0.4 f.u., at which level the probability of a misidentification is 10%. No a priori distinctions were made between the galaxies on the basis of strong radio emission or optical peculiarities.

Type
Contributions
Copyright
Copyright © Astronomical Society of Australia 1968

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