Companions to nearby spirals

Details Companions to nearby spirals Companions to nearby spirals

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..507m&link_type=abstract

Astronomical Journal, vol. 85, May 1980, p. 507-512. Research supported by the Natural Sciences and Engineering Research Council

Astronomy and Astrophysics

Astronomy

7

Galactic Structure, Spiral Galaxies, Astronomical Catalogs, Data Processing, Luminosity

Scientific paper

It is shown that the presence or absence of a spiral in a sparse group is not correlated with the number of close companions it has. Nor do the numbers of companions correlate with the presence or absence of a bar in the central galaxy. However, spirals with many companions are found to be of systematically higher luminosity class than spirals with few companions. The presence of a central ring structure in the parent galaxy is weakly anticorrelated with the number of companions.

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