The Lyman continuum radiation from galaxies

Details The Lyman continuum radiation from galaxies The Lyman continuum radiation from galaxies

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..408..337d&link_type=abstract

The ultraviolet universe at low and high redshift. AIP Conference Proceedings, Volume 408, pp. 337-342 (1997).

Computer Science

Background Radiations, Characteristics And Properties Of External Galaxies And Extragalactic Objects, Radiation Mechanisms, Polarization

Scientific paper

The Hα luminosity density of galaxies is used to calculate the local diffuse radiation field at the Lyman limit as resulting from star formation in the universe. The fraction of Lyman continuum radiation leaking out from galaxies through their neutral hydrogen is the most uncertain parameter of the calculation. A comparison of the diffuse radiation predicted from galaxies with that measured from all sources of ionization shows that the average Lyman continuum escape fraction should be lower than 1%. This number is lower than the upper limits reported so far in a few objects.

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