Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..542w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 542-560.
Astronomy and Astrophysics
Astrophysics
73
Galactic Clusters, Galactic Evolution, Galactic Rotation, Galactic Structure, H I Regions, Spiral Galaxies, Correlation, Galactic Mass, Mass To Light Ratios, Morphology
Scientific paper
Inner and outer velocity gradients, residuals from synthetic rotation curves for field spirals, and M/L gradients are used to study the rotation curves of spiral galaxies. A good correlation is found between the outer gradient of the rotation curve and the galaxy's distance from the cluster center, with a similar effect noted in the residuals between the observed and synthetic rotation curves. A correlation is also shown to exist between the M/L gradient across a galaxy and the galaxy's position in the cluster. The results suggest that the inner cluster environment may strip away some fraction of the mass in the outer halo of a spiral galaxy or may not allow the halo to form.
Forbes Duncan A.
Rubin Vera Cooper
Whitmore Bradley C.
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