[33.03] HI Structure of Edge-on Galaxies

AAS 200th meeting, Albuquerque, NM, June 2002
Session 33. Gaseous Galaxy Halos and Edges of Disk Galaxies
Topical Session Oral, Tuesday, June 4, 2002, 8:30-10:00am, 10:45am-12:30pm, 2:00-3:30pm, 3:45-5:30pm, Ballroom A

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[33.03] HI Structure of Edge-on Galaxies

J. A. Irwin (Queen's University, Canada)

Aside from the well-known nuclear outflows observed in some starburst galaxies, edge-on spiral galaxies can also display considerable activity between the disk and halo far from the nucleus. HI observations are particularly important for understanding the kinematics and energetics of these regions. This talk will focus on the broad scale HI structure of galaxies in the z direction as well as the discrete features (sometimes seen as supershells) which span the disk-halo interface. Infall/outflow scenarios, energetics, and the possibility of lagging halos will also be discussed.

This research is supported by the Natural Sciences and Engineering Research Council of Canada.

The author(s) of this abstract have provided an email address for comments about the abstract: irwin@astro.queensu.ca

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