... cold gas accretion for the nearby spiralgalaxies; old stellar ages and magnesium ... The chemical evolution of spiralgalaxies cannot be understood without permanent ...
... inner polar disks in unbarred early-type spiralgalaxies NGC 2841 (Sil'chenko et al ... inner polar disks are found in SaSc spiralgalaxies in one third of all cases, and ...
... We reported finding a few large nearby spiralgalaxies with such two-tiers disks ... Among our findings in unbarred spiralgalaxies, only one galaxy, NGC 5533, has a LSB ...
... a disk galaxy and its bulge's n: in late-typ e spiralgalaxies the bulges have exp onential brightness profiles, n = 1, and in ... As a result, the late-typ e spiralgalaxy may b e transformed into an early-typ e spiralgalaxy and even into a S0. ...
... galaxies are divided into lenticular and spiralgalaxies, or into galaxies with or ... and compared them to the spiralgalaxies, the statistical difference becomes even ... for all the lenticular galaxies is 0.36, and for the spiralgalaxies 0.38 (Fig ...
... can "strip" the gas reservoirs of spiralgalaxies and transform them into lenticular ... km/s. Another substantial member of the group is the brightest spiralgalaxy, NGC 93 ...
... intermediate between elliptical and spiralgalaxies, have morphologically formed in ... as well as early-type spiralgalaxies, which are the most likely candidates for pre ...
... Inner gas polar rings are found as in spiralgalaxies with the massive outer gas disks co-planar to the main symmetry planes (e.g. NGC 2841, Sil'chenko et al. 1997, and NGC 7217, Sil'chenko & Afanasiev 2000) as well in many lenticular galaxies (Fig. ...