Stars and gas in the inner parts of galaxies seen in SAURON integral field observations
2007 (English)In: New Astronomy Reviews, ISSN 1387-6473, Vol. 51, no 1-2, 29-33 p.Article in journal (Refereed) Published
We give two examples of spiral galaxies that show non-circular gas motions in the inner kiloparsecs, from SAURON integral field spectroscopy. We use harmonic decomposition of the velocity field of the ionized gas to study the underlying mass distribution, employing linear theory. The higher order harmonic terms and the main kinematic features of the observed data are consistent with an analytically constructed simple bar model. We also present maps of a number of strong absorption lines in M 100, derive simple stellar populations and correlate them with features in the gas kinematics.
Place, publisher, year, edition, pages
2007. Vol. 51, no 1-2, 29-33 p.
Galaxies: bulges, Galaxies: evolution, Galaxies: formation, Galaxies: kinematics and dynamics, Galaxies: spiral, Galaxies: structure, Galaxies: nuclei, Galaxies: individual (NGC 5448, M 100)
Astronomy, Astrophysics and Cosmology
IdentifiersURN: urn:nbn:se:su:diva-20170DOI: doi:10.1016/j.newar.2006.10.013OAI: oai:DiVA.org:su-20170DiVA: diva2:186695