Rosemary F. G. Wyse , Annette M. N. Ferguson , Jay Gallagher , Deidre Hunter, PASA, 15 (1), 118
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Next Section: Introduction
Star Formation in Disk Galaxies
Rosemary F.á G.á Wyse 
Annette M.á N.á Ferguson
Jay Gallagher 
Deidre Hunter 
Johns Hopkins University, Department of Physics and Astronomy, Baltimore, MD 21218, USA
wyse@pha.jhu.edu, ferguson@skysrv.pha.jhu.edu University of Wisconsin-Madison, Department of Astronomy, Madison, WI 53706, USA
jsg@tiger.astro.wisc.edu Lowell Observatory, Flagstaff, AZ 86001, USA
dah@lowell.edu
Abstract:
We present results, some preliminary, from a major new study of the star formation properties of a sample of nearby disk galaxies (Ferguson, PhD thesis). Our emphasis is on the faint outer regions of disks. H
images, combined with broad-band images and spectroscopy of HII regions, constrain the present and past star formation rates and chemical enrichment. These data also allow study of faint diffuse ionized gas, which traces the influence of massive stars on their environment, and the structure of the interstellar medium.
Keywords: galaxies:ISM - galaxies:evolution -- galaxies:abundances -- stars:formation
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