TitleBulge-disc decompositions and structural bimodality of Ursa Major cluster spiral galaxies
AuthorsMcDonald, Michael; Courteau, Stéphane; Tully, R. Brent
AbstractWe present bulge and disc (B/D) decompositions of existing K' surface brightness profiles for 65 Ursa Major (UMa) cluster spiral galaxies. This improves upon the disc-only fits of Tully et al. The 1996 disc fits were used by Tully & Verheijen for their discovery of the bimodality of structural parameters in the UMa cluster galaxies. It is shown that our new one-dimensional B/D decompositions yield disc structural par ...
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