On classical and pseudobulges: The nature of bulges of early-type spirals
| dc.creator | Peletier, Reynier | |
| dc.date | 2007-07-27 | |
| dc.date | 2007-08-11 | |
| dc.date.accessioned | 2026-07-07T08:22:58Z | |
| dc.date.available | 2026-07-07T08:22:58Z | |
| dc.description | Historically, galactic bulges are thought to be elliptical galaxy-like objects sitting in the middle of a generally larger disk. There are, however, more and more claims that some bulges are much more similar to disks. John Kormendy has named these bulges pseudo-bulges. In this paper I discuss some recent integral field spectroscopy of the SAURON collaboration on a sample of 24 Sa and Sab galaxies. Using their 2-dimensional maps of the stellar velocity, velocity dispersion, and absorption line strength, it is now much easier to understand the nature of nearby galactic bulges. I review several aspects of bulges, namely the surface photometry, stellar kinematics, stellar populations, presence of interstellar matter, and their behavior in the fundamental plane of early-type galaxies. | |
| dc.description | 9 pages, 1 figure, to appear in Pathways through an eclectic Universe, J. H. Knapen, T. J. Mahoney, and A. Vazdekis (Eds.), ASP Conf. Ser., 2007; higher resolution version available from ftp://ftp.astro.rug.nl/exchange/PELEtier/eclectic/peletier_beckman.pdf. This is a re-submit with a better quality figure | |
| dc.identifier | https://arxiv.org/abs/0707.4063 | |
| dc.identifier | http://arxiv.org/abs/0707.4063 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/135831 | |
| dc.subject | Astrophysics | |
| dc.title | On classical and pseudobulges: The nature of bulges of early-type spirals | |
| dc.type | text |