SPICA and the Chemical Evolution of Galaxies: The Rise of Metals and DustFernández-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., Pérez Fournon, I., Roelfsema, P., Santini, P., Silva, L., Smith, J-D. T., Spinoglio, L., van der Tak, F., Wada, T. & Wu, R., 1-Nov-2017, In : Publications of the Astronomical Society of Australia. 34, e053.
Research output: Contribution to journal › Article › Academic › peer-review
The physical processes driving the chemical evolution of galaxies in the last 11Gyr 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 the star formation and black hole accretion activity in galaxies at 1 <z < 3. Spectroscopic observations with a cryogenic infrared observatory like SPICA, will be sensitive enough to peer through the dust-obscured regions of galaxies and access the rest-frame mid- to far-infrared 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 3, and the dust composition of galaxies at high-z. Possible synergies with facilities available in the late 2020s are also discussed.
|Journal||Publications of the Astronomical Society of Australia|
|Publication status||Published - 1-Nov-2017|
- galaxies: active, galaxies: evolution, galaxies: starburst, infrared: galaxies, techniques: spectroscopic telescopes