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Title:
Feeding Galaxies
Authors:
Putman, Mary E.; Grcevich, Jana; Peek, J. E. G.
Affiliation:
AA(University of Michigan, Dept. of Astronomy, 500 Church St, Ann Arbor, MI 48109-1042), AB(University of Michigan, Dept. of Astronomy, 500 Church St, Ann Arbor, MI 48109-1042), AC(Dept. of Astronomy, University of California, Berkeley, CA 94720)
Publication:
THE EVOLUTION OF GALAXIES THROUGH THE NEUTRAL HYDROGEN WINDOW. AIP Conference Proceedings, Volume 1035, pp. 141-146 (2008). (AIPC Homepage)
Publication Date:
08/2008
Origin:
AIP
PACS Keywords:
Galactic halo, HI regions and 21-cm lines; diffuse, translucent, and high-velocity clouds, Stellar structure, interiors, evolution, nucleosynthesis, ages, Accretion and accretion disks, Spectroscopy and spectrophotometry
DOI:
10.1063/1.2973567
Bibliographic Code:
2008AIPC.1035..141P

Abstract

Halo clouds have been found about the three largest galaxies of the Local Group and in the halos of nearby spirals. This suggests they are a relatively generic feature of the galaxy evolution process and a source of fuel for galaxy disks. Here we discuss two major sources of star formation fuel for the Galaxy, satellite material and clouds condensing from the hot halo medium. Evidence for both methods of fueling are presented and their contribution quantified.
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