SparsePak Observations of Diffuse Ionized Gas Halo Kinematics in NGC 891

Details SparsePak Observations of Diffuse Ionized Gas Halo Kinematics in NGC 891 SparsePak Observations of Diffuse Ionized Gas Halo Kinematics in NGC 891

2005-08-25

arxiv.org/abs/astro-ph/0508559v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures; to appear in the proceedings of the Island Universes conference held in Terschelling, Netherlands, July 20

Scientific paper

We present WIYN SparsePak observations of the diffuse ionized gas (DIG) halo
of NGC 891. Preliminary results of an analysis of the halo velocity field
reveal a clear gradient of the azimuthal velocity with z which agrees with
results for the neutral gas. The magnitude of the gradient has been determined,
using two independent methods, to be approximately 15 km/s/kpc.

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