Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003jkas...36..149s&link_type=abstract
Journal of the Korean Astronomical Society, vol. 36, no. 3, pp. 149-158
Astronomy and Astrophysics
Astronomy
8
Galaxies: Structure, Galaxies: Evolution, Infrared: Galaxies
Scientific paper
Deep surveys at mid-infared through submillimeter wavelengths indicate that a substantial fraction of the total luminosity output from galaxies at high redshift (z>1) emerges at wavelengths 30-300 μm. In addition, much of the star formation and AGN activity associated with galaxy building at these epochs appears to reside in a class of luminous infrared galaxies (LIGs), often so heavily enshrouded in dust that they appear as ``blank-fields" in deep optical/UV surveys. Here we present an update on the state of our current knowledge of the cosmic evolution of LIGs from z = 0 to z ˜ 4 based on the most recent data obtained from ongoing ground-based redshift surveys of sources detected in ISO and SCUBA deep fields. A scenario for the origin and evolution of LIGs in the local Universe (z < 0.3), based on results from multiwavelength observations of several large complete of luminous IRAS galaxies, is then discussed.
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