FERNÁNDEZ-ONTIVEROS, J. A.; ARMUS, L.; BAES, M.; BERNARD-SALAS, J.; BOLATTO, A. D.; BRAINE, J.; CIESLA, L.; DE LOOZE, I.; EGAMI, E.; FISCHER, J.; GIARD, M.; GONZÁLEZ-ALFONSO, E.; GRANATO, G. L.; GRUPPIONI, C.; IMANISHI, M.; ISHIHARA, D.; KANEDA, H.; MADDEN, S.; MALKAN, M.; MATSUHARA, H.; MATSUURA, M.; NAGAO, T.; NAJARRO, F.; NAKAGAWA, T.; ONAKA, T.; OYABU, S.; PEREIRA-SANTAELLA, M.; FOURNON, I. Pérez; ROELFSEMA, P.; SANTINI, P.; SILVA, L.; SMITH, J. -D. T.; SPINOGLIO, L.; VAN DER TAK, F.; WADA, T.; WU, R.

doi:10.1017/pasa.2017.43

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FERNÁNDEZ-ONTIVEROS, J. A.
Istituto di Astrofisica e Planetologia Spaziali - INAF [IAPS]

ARMUS, L.

BAES, M.
Universiteit Gent = Ghent University = Université de Gand [UGENT]

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Publications of the Astronomical Society of Australia. 2017, vol. 34, p. id.e053

Cambridge University Press (CUP)

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The physical processes driving the chemical evolution of galaxies in the last $\sim 11\, \rm{Gyr}$ cannot be understood without directly probing the dust-obscured phase of star-forming galaxies and active galactic nuclei. This phase, hidden to optical tracers, represents the bulk of star formation and black hole accretion activity in galaxies at $1 < z < 3$. Spectroscopic observations with a cryogenic infrared (IR) observatory like SPICA will be sensitive enough to peer through the dust-obscured regions of galaxies and access the rest-frame mid- to far-IR range in galaxies at high-$z$. This wavelength range contains a unique suite of spectral lines and dust features that serve as proxies for the abundances of heavy elements and the dust composition, providing tracers with a feeble response to both extinction and temperature. In this work, we investigate how SPICA observations could be exploited to understand key aspects in the chemical evolution of galaxies: the assembly of nearby galaxies based on the spatial distribution of heavy element abundances, the global content of metals in galaxies reaching the knee of the luminosity function up to $z \sim 3$, and the dust composition of galaxies at high-$z$. Possible synergies with facilities available in the late 2020s are also discussed.< Réduire

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SPICA and the Chemical Evolution of Galaxies: The Rise of Metals and Dust

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