Flocculent and grand design spiral arm structure in cluster galaxies

Details Flocculent and grand design spiral arm structure in cluster galaxies Flocculent and grand design spiral arm structure in cluster galaxies

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.201.1035e&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 201, Dec. 1982, p. 1035-1039.

Astronomy and Astrophysics

Astronomy

11

Galactic Clusters, Galactic Structure, Spiral Galaxies, Classifications, Luminosity, Red Shift

Scientific paper

A total of 829 spiral galaxies in 22 clusters having redshifts between z = 0.02 and 0.06 were classified according to the appearance of their spiral arm structures. The fraction of galaxies that have a grand design spiral structure was found to be higher among barred galaxies than among non-barred galaxies (at z = 0.02, 95 per cent of strongly barred galaxies have a grand design, compared with 67 per cent of non-barred or weakly barred galaxies). Cluster galaxies and distant non-cluster galaxies have the same fraction of grand design galaxies when resolution effects are considered. The grand design fraction among cluster galaxies is also similar to the fraction observed among nearby galaxies in binary systems and in groups.

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