... M64 has a very bright nucleus which easily highlights the prominent dust lane (the obvious dark band). ... The disk of M64 outside of the nuclear regions, in contrast, is rather low surface brightness and generally can't be seen with ...
... The outside of the disk is relatively quiescent. ... The face-on orientation of the galaxy means that obscuration by dust in the galaxy is minimal. ...
... dominated by an exponential disk whose central disk surface brightness is much ... disk galaxies available at that time and found the remarkable result that the ... nated by an exponential disk with a faceon central disk sur face brightness which ...
... We have not corrected the central disk surface brightness in Column (3) to face on value as the optical depth effects in LSB ... We do expect them to be small, however, as LSB galaxies have a low dust content (McGaugh 1992)]. ...
... Dust and extinction effects An effect which could cause e.g. Sc galaxies to be ... disk perpendicularly (in the faceon direction) than in the edgeon direction (in ... Diskfading scenario This scenario would seem to be a very natural explanation for ...