Is the distribution of mass within spiral galaxies a function of galaxy environment?

Details Is the distribution of mass within spiral galaxies a function of galaxy environment? Is the distribution of mass within spiral galaxies a function of galaxy environment?

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...305l..11b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 305, June 1, 1986, p. L11-L14.

Astronomy and Astrophysics

Astrophysics

19

Galactic Structure, Mass Distribution, Spiral Galaxies, Astronomical Catalogs, Galactic Clusters, Galactic Rotation, Statistical Analysis

Scientific paper

Rotation curves have been derived for 20 spiral galaxies that are known to be members of large clusters. The forms of mass distributions for these galaxies are compared to those previously determined for 60 relatively isolated spiral galaxies. Hubble types Sa, Sb, and Sc are equally represented in field and cluster samples. Yet, cluster galaxies have statistically different forms of rotation curves, and hence different forms of mass distributions, than field galaxies. Indeed, the evidence suggests that the form of mass distribution for a spiral galaxy is more a function of environment than of Hubble type.

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