The Role of Dust in Producing the Extragalactic Diffuse Background

Details The Role of Dust in Producing the Extragalactic Diffuse Background The Role of Dust in Producing the Extragalactic Diffuse Background

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001iaus..204..389d&link_type=abstract

The Extragalactic Infrared Background and its Cosmological Implications, Proceedings of IAU Symposium #204, held 15-18 August 20

Mathematics

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Scientific paper

Dust plays an important role in determining the spectral energy distribution of the Extragalactic Background Light (EBL). The dust absorbs and scatters the energy emitted by stars and active galactic nuclei at x-ray, ultraviolet, and visible wavelengths, and re-radiates it at infrared wavelengths. The efficiency of this energy redistribution depends on a variety of factors. On a global scale, it depends on the star, metal, and dust formation histories in the Universe. On a local scale, it depends on the nature and morphology of the star-forming regions and galactic systems in which these processes take place. In this lecture I will present an overview of the various processes that produce the EBL, and their dependence on some of the factors listed above.

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