Enhanced Far-IR Line Emission at High-Z: Implications for SPICA

Details Enhanced Far-IR Line Emission at High-Z: Implications for SPICA Enhanced Far-IR Line Emission at High-Z: Implications for SPICA

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sitc.conf.4004m&link_type=abstract

SPICA joint European/Japanese Workshop, held 6-8 July, 2009 at Oxford, United Kingdom. Edited by A.M. Heras, B.M. Swinyard, K.G

Mathematics

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Galaxies: Formation, Evolution, Starburst, Missions: Spica

Scientific paper

Recent observations of the fine structure line [CII]158μm in high redshift galaxies have shown that this line is significantly stronger in distant galaxies than in local counterparts with the same far-IR luminosity. This enhancement at high-z probably applies also to other far-IR fine structure lines. This result suggests that SPICA, and in particular its spectrometer SAFARI, will be able to identify and characterize a much larger number of high-z galaxies through these far-IR lines than previously assumed. We discuss the new potentialities offered by SPICA for cosmological studies within this new scenario.

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