Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.190...55w&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 190, Jan. 1980, p. 55-70.
Astronomy and Astrophysics
Astrophysics
23
Astronomical Models, Astrophysics, Galactic Clusters, Luminosity, Data Processing, Galactic Nuclei, Magnitude, Mathematical Models
Scientific paper
The paper compares the joint luminosity-distance-separation distribution in Turner's sample (1976) of close binary galaxies with models based on the assumption that the luminosities of individual galaxies are drawn at random from a 'universal distribution'. The analysis shows that the requirement that a binary must appear isolated biases the sample luminosity and separation distributions; various systematic uncertainties in the data and the reduction methods which lead to the field and binary luminosity functions are discussed, concluding that they are probably too small to account for this discrepancy. Finally, it was found that there is no evidence that Turner's binaries have undergone significant dynamical evolution.
Valdes Francisco
White Simon D. M.
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