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Mass–metallicity relation for AKARI-FMOS infrared luminous galaxies at z ~ 0.9

Part of: IAU Issue 315 - From Interstellar Clouds...

Published online by Cambridge University Press:  12 September 2016

Nagisa Oi ,
Hideo Matsuhara ,
Tomotsugu Goto ,
Chris Pearson ,
Véronique Buat  and
Matthew A. Malkan
Nagisa Oi
Affiliation:
JAXA/ISAS, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara 252-5210Japan email: nagisaoi@ir.isas.jaxa.jp
Hideo Matsuhara
Affiliation:
JAXA/ISAS, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara 252-5210Japan email: nagisaoi@ir.isas.jaxa.jp
Tomotsugu Goto
Affiliation:
National Tsing Hua University, Hsinchu, Taiwan, R.O.C.
Chris Pearson
Affiliation:
Oxford Astrophysics, Oxford University, the United Kingdom
Véronique Buat
Affiliation:
Laboratoire d'Astrophysique de Marseille, Marseille, France
Matthew A. Malkan
Affiliation:
University of California, Los Angeles, CA, the United States
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Abstract

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We study the mass–metallicity relation and fundamental relation (FMR) for infrared bright galaxies (IR galaxies) at z ~ 0.9 discovered by AKARI NEP-Deep survey. The main result of this work is that metallicity of IR galaxies surprisingly match optical selected galaxies at a given mass even their star formation rates are different, which may imply that optical and IR selected galaxies follow similar star formation histories, and the starbursts in the IR galaxies do not give a strong impact in changing metallicity because of the short duration time.

Keywords

galaxies: evolutiongalaxies: fundamental parameter (metallicity)infrared: galaxies
Type
Poster Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S315: From Interstellar Clouds to Star-Forming Galaxies: Universal Processes? , August 2015 , E60
Copyright
Copyright © International Astronomical Union 2016 

References

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