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AKARI/IRC broadband mid-infrared data as an indicator of the Star Formation Rate

Published online by Cambridge University Press:  17 August 2012

Fang-Ting Yuan ,
Tsutomu T. Takeuchi ,
Véronique Buat ,
Sébastien Heinis ,
Elodie Giovannoli ,
Katsuhiro L. Murata ,
Jorge Iglesias-Páramo  and
Denis Burgarella
Fang-Ting Yuan
Affiliation:
Division of Particle and Astrophysical Sciences, Nagoya University, JAPAN email: [email protected], [email protected], [email protected]
Tsutomu T. Takeuchi
Affiliation:
Division of Particle and Astrophysical Sciences, Nagoya University, JAPAN email: [email protected], [email protected], [email protected]
Véronique Buat
Affiliation:
Laboratoire d'Astrophysique de Marseille, OAMP, Université Aix-Marseille, FRANCE email: [email protected], [email protected], [email protected], [email protected]
Sébastien Heinis
Affiliation:
Laboratoire d'Astrophysique de Marseille, OAMP, Université Aix-Marseille, FRANCE email: [email protected], [email protected], [email protected], [email protected]
Elodie Giovannoli
Affiliation:
Laboratoire d'Astrophysique de Marseille, OAMP, Université Aix-Marseille, FRANCE email: [email protected], [email protected], [email protected], [email protected]
Katsuhiro L. Murata
Affiliation:
Division of Particle and Astrophysical Sciences, Nagoya University, JAPAN email: [email protected], [email protected], [email protected]
Jorge Iglesias-Páramo
Affiliation:
Instituto de Astrofísica de Andalucía (IAA - CSIC), Glorieta de la Astronomía s.n., SPAIN Centro Astronómico Hispano Alemán, SPAIN email: [email protected]
Denis Burgarella
Affiliation:
Laboratoire d'Astrophysique de Marseille, OAMP, Université Aix-Marseille, FRANCE email: [email protected], [email protected], [email protected], [email protected]
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Abstract

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With the goal of constructing Star-Formation Rates (SFR) from AKARI Infrared Camera (IRC) data, we analyzed an IR-selected GALEX-SDSS-2MASS-AKARI(IRC & Far-Infrared Surveyor) sample of 153 nearby galaxies. The far-infrared fluxes were obtained from AKARI diffuse maps to correct the underestimation for extended sources raised by PSF photometry. SFRs of these galaxies were derived using the SED fitting program CIGALE. In spite of complicated features contained in these bands, both the S9W and L18W emissions correlate with the SFR of galaxies. The SFR calibrations using S9W and L18W are presented for the first time. These calibrations agree well with previous work based on Spitzer data within the scatter, and should be applicable to dust-rich galaxies.

Keywords

infrared: galaxiesISM: dustextinctionstars: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S284: The Spectral Energy Distribution of Galaxies , September 2011 , pp. 357 - 359
Copyright
Copyright © International Astronomical Union 2012

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