Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-09-12
Astronomy and Astrophysics
Astrophysics
16 pages, 10 figures, accepted by A&A
Scientific paper
10.1051/0004-6361:20053981
The formation and evolution of disk-dominated galaxies is difficult to explain, yet these objects exist. We therefore embarked on a study aimed at a better understanding of these enigmatic objects. We used data from the SDSS DR1 in order to identify edge-on galaxies with disks in a uniform, reproducible, automated fashion. We identified 3169 edge-on disk galaxies, which we subdivided into disk galaxies with bulge, intermediate types, and simple disk galaxies without any obvious bulge component. We subdivided these types further into subclasses: Sa(f), Sb(f), Sc(f), Scd(f), Sd(f), Irr(f), where the (f) indicates that these galaxies are seen edge-on. A number of incompleteness effects affect our catalog, but it contains almost a factor of four more bulgeless galaxies with prominent simple disks (flat galaxies) within the area covered here than previous optical catalogs, which were based on the visual selection from photographic plates. We find that approximately 15% of the edge-on disk galaxies in our catalog are flat galaxies, demonstrating that these galaxies are fairly common, especially among intermediate-mass star-forming galaxies. Bulgeless disks account for roughly one third of our galaxies when also puffy disks and edge-on irregulars are included.(Abridged)
Barazza Fabio D.
Gallagher Jay S.
Grebel Eva Katharina
Kautsch Stefan J.
No associations
LandOfFree
A Catalog of Edge-on Disk Galaxies: From Galaxies with a Bulge to Superthin Galaxies does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A Catalog of Edge-on Disk Galaxies: From Galaxies with a Bulge to Superthin Galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Catalog of Edge-on Disk Galaxies: From Galaxies with a Bulge to Superthin Galaxies will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-2179