Next Generation Study of the Cosmic Metallicity Evolution with SPICA
Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama 790-8577, Japan
2 INAF - Osservatorio Astronomico di Roma, via di Frascati 33, 00040 Monte Porzio Catone, Italy
3 Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 229-8510, Japan
In order to explore the metallicity of high-z dusty galaxies in the evolving phase, mid- and far-infrared line diagnostics by using deep spectroscopy with SPICA are extremely powerful. We here propose to use far-infrared [O III] and [N III] lines to study the metallicity in dustenshrouded parts in galaxies.
Key words: Galaxies: evolution / Infrared: spectroscopy / Missions: SPICA
© Owned by the authors, published by EDP Sciences, 2009