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Journal article

Accretion of gas onto nearby spiral galaxies

Abstract:

We present evidence for cosmological gas accretion onto spiral galaxies in the local universe. The accretion is seen through its effects on the dynamics of the extra-planar neutral gas. The accretion rates that we estimate for two nearby spiral galaxies are of the order of their star formation rates. Our model shows that most of the extra-planar gas is produced by supernova feedback (galactic fountain) and only 10-20 % comes from accretion. The accreting material must have low specific angula...

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Publication status:
Published

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Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
386
Issue:
2
Pages:
935-944
Publication date:
2008-02-04
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Language:
English
Keywords:
Pubs id:
pubs:10388
UUID:
uuid:081c0b7c-9ca8-4382-84bd-573e380dbd5c
Local pid:
pubs:10388
Source identifiers:
10388
Deposit date:
2012-12-19

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