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Star Formation in Disk Galaxies

Star Formation in Disk Galaxies

Rosemary F. G. Wyse , Annette M. N. Ferguson , Jay Gallagher , Deidre Hunter, PASA, 15 (1), 118
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Star Formation in Disk Galaxies

Rosemary F.á G.á Wyse tex2html_wrap_inline141
Annette M.á N.á Ferguson tex2html_wrap_inline141
Jay Gallagher tex2html_wrap_inline145
Deidre Hunter tex2html_wrap_inline147

tex2html_wrap_inline141 Johns Hopkins University, Department of Physics and Astronomy, Baltimore, MD 21218, USA
wyse@pha.jhu.edu, ferguson@skysrv.pha.jhu.edu
tex2html_wrap_inline145 University of Wisconsin-Madison, Department of Astronomy, Madison, WI 53706, USA
jsg@tiger.astro.wisc.edu
tex2html_wrap_inline147 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. Htex2html_wrap_inline155 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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