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Fabry-Perot Interferometry and Spiral Galaxy Dynamics
Stockholm University, Faculty of Science, Department of Astronomy.
2008 (English)In: Pathways Through an Eclectic Universe: Proceedings of a conference held at Santiago del Teide, Tenerife, Spain, 23-27 April 2007 to celebrate John Beckman's 40 years in astrophysics, 2008, 182- p.Conference paper (Other (popular science, discussion, etc.))
Abstract [en]

We present two-dimensional Fabry-Perot observations of the emission-line distribution and kinematics in nearby spiral galaxies. We have developed and demonstrated the utility of a number of analysis tools which have general applicability, but which we have, so far, applied to only one galaxy (M74, Fathi et al. 2007). In this galaxy, we have found kinematic signatures of radial motions caused by an m=2 perturbation. Such a perturbation may well be responsible for the inflow of material forming the nuclear ring and the inner rapidly rotating disk-like structure. The latter, in turn, could help build a pseudo-bulge. In the second paper in this series, we will apply the kinematic analysis tools to a sample of nine late-type spiral galaxies observed with the FaNTOmM Fabry-Perot spectrometer at the Canada-France-Hawaii Telescope.

Place, publisher, year, edition, pages
2008. 182- p.
, Astronomical Society of the Pacific conference series, 390
Keyword [en]
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-15335ISBN: 9781583816509OAI: diva2:181855
Available from: 2008-11-27 Created: 2008-11-27 Last updated: 2012-03-28Bibliographically approved

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Fathi, Kambiz
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