Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apjs...40..527p&link_type=abstract
Astrophysical Journal Supplement Series, vol. 40, July 1979, p. 527-575.
Astronomy and Astrophysics
Astronomy
146
Galactic Clusters, Galactic Radiation, Microwave Spectra, Radio Galaxies, Red Shift, Angular Distribution, Astronomical Catalogs, Graphs (Charts), H Lines, Radial Velocity, Radio Astronomy, Statistical Analysis, Stellar Magnitude
Scientific paper
A sample including 279 binary galaxies over a wide range of separations is selected from the Uppsala general catalog using well-defined criteria. The true angular separation distribution of the binary galaxies is reconstructed from the observed distribution and a statistical analysis of the selection criteria. Observational data are compiled on the galaxies using optical as well as radio information. The associated 21 cm neutral-hydrogen studies result in the detection of 149 member galaxies (94 without observed optical redshifts). In addition to accurate radial velocities, H I studies provide global measurements on individual galaxies, including total indicative mass and mass-to-light ratios, to be compared with values obtained from a statistical study of the orbital parameters.
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