H-alpha Velocity Fields of Normal Spiral Disks
Astrophysics
2007-05-23 v1
Abstract
We present H-alpha velocity fields for a sample of nearly face--on spiral galaxies observed with DensePak on the WIYN telescope. We combine kinematic inclinations and position angles measured from these data with photometric inclinations and position angles measured from I-band images to show that spiral disks are intrinsically non-circular.
Keywords
Cite
@article{arxiv.astro-ph/0010250,
title = {H-alpha Velocity Fields of Normal Spiral Disks},
author = {David R. Andersen and M. A. Bershady and L. S. Sparke and J. S. Gallagher and E. M. Wilcots and W. van Driel and D. Monnier-Ragaigne},
journal= {arXiv preprint arXiv:astro-ph/0010250},
year = {2007}
}
Comments
2 pages, 2 embedded figures. To appear in Disk Galaxies and Galaxy Disks, eds. J.G. Funes & E.M. Corsini (ASP Conference Series). Full resolution poster paper available at http://www.astro.wisc.edu/~andersen/pub.html