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Constraint on the inflow/outflow rates in star-forming galaxies at z ∼ 1.4 from molecular gas observations

Abstract:

We constrain the rate of gas inflow into and outflow from a main-sequence star-forming galaxy at z ∼ 1.4 by fitting a simple analytic model for the chemical evolution in a galaxy to the observational data of the stellar mass, metallicity, and molecular gas mass fraction. The molecular gas mass is derived from CO observations with a metallicity-dependent CO-to-H 2 conversion factor, and the gas metallicity is derived from the Hα and [N II]λ 6584 emission line ratio. Using a stacking analysis o...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.3847/1538-4357/833/1/53

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ORCID:
0000-0003-3844-1517
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ORCID:
0000-0001-6469-8725
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ORCID:
0000-0002-2651-1701
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Publisher:
American Astronomical Societ Publisher's website
Journal:
Astrophysical Journal Journal website
Volume:
833
Issue:
1
Pages:
53-53
Publication date:
2016-12-10
Acceptance date:
2016-10-09
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Pubs id:
pubs:668070
URN:
uri:5126eb6a-772b-42e7-b9fa-b2dbe3c1abde
UUID:
uuid:5126eb6a-772b-42e7-b9fa-b2dbe3c1abde
Local pid:
pubs:668070

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