H-alpha Velocity Fields of Normal Spiral Disks

Details H-alpha Velocity Fields of Normal Spiral Disks H-alpha Velocity Fields of Normal Spiral Disks

2000-10-12

arxiv.org/abs/astro-ph/0010250v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 embedded figures. To appear in Disk Galaxies and Galaxy Disks, eds. J.G. Funes & E.M. Corsini (ASP Conference Serie

Scientific paper

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.

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