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DEIMOS and MOSFIRE spectroscopy of star-forming galaxies in the AKARI NEP-Deep field

Published online by Cambridge University Press:  10 June 2020

Helen K. Kim ,
Matt Malkan ,
Nagisa Oi ,
Toshinobu Takagi ,
Denis Burgarella ,
Véronique Buat ,
Samir Salim ,
Chris Pearson  and
Hideo Matsuhara
Helen K. Kim
Affiliation:
Department of Physics and Astronomy, UCLA, Los Angeles, CA90095-1547, USA email: hkim@astro.ucla.edu
Matt Malkan
Affiliation:
Department of Physics and Astronomy, UCLA, Los Angeles, CA90095-1547, USA email: hkim@astro.ucla.edu
Nagisa Oi
Affiliation:
Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo162-8601, Japan
Toshinobu Takagi
Affiliation:
Japan Space Forum, 3-2-1, Kandasurugadai, Chiyoda-ku, Tokyo101-0062, Japan
Denis Burgarella
Affiliation:
Laboratoire d’Astrophysique de Marseille, Aix-Marseille Université, CNRS, F-13013 Marseille, France
Véronique Buat
Affiliation:
Laboratoire d’Astrophysique de Marseille, Aix-Marseille Université, CNRS, F-13013 Marseille, France
Samir Salim
Affiliation:
Department of Astronomy, Indiana University, Bloomington, IN47404, USA
Chris Pearson
Affiliation:
Department of Physical Sciences, The Open University, Milton Keynes, MK7 6AA, UK
Hideo Matsuhara
Affiliation:
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa252-5210, Japan
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Abstract

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Observing high resolution optical to infrared spectra is crucial to understanding how energy is generated in galaxies. We present follow-up optical Keck-II/DEIMOS and infrared Keck-I/MOSFIRE spectra of ∼200 galaxies in the AKARI/North Ecliptic Pole Deep survey region at intermediate redshift. From rest-frame optical emission lines, we classify most of our objects as star-forming (53%), with the MIR selection favoring relatively massive galaxies (median log M/M⊙∼ 10.3). In addition, we combine our spectroscopic redshifts with UV to FIR photometry as inputs in order to model SEDs with CIGALE, and we measure the PAH 7.7 μm luminosity as an SFR indicator.

Keywords

techniques: spectroscopicgalaxies: evolutioninfrared: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S341: Challenges in Panchromatic Modelling with Next Generation Facilities , November 2019 , pp. 279 - 280
Copyright
© International Astronomical Union 2020

References

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