The UV escape fraction of high-redshift galaxies

Details The UV escape fraction of high-redshift galaxies The UV escape fraction of high-redshift galaxies

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..17..218f&link_type=abstract

Galaxy Evolution: Theory & Observations (Eds. Vladimir Avila-Reese, Claudio Firmani, Carlos S. Frenk & Christine Allen) Revista

Astronomy and Astrophysics

Astronomy

Cosmology: Observations, Cosmology: Diffuse Radiations

Scientific paper

We investigate the degree of opacity of high-redshift galaxies to outgoing UV photons. Using multi-band images of high-redshift galaxies and HST photometry we show that in average no more than 4% of the continuum UV flux can escape (3 sigma limit) from each galaxy. This result is compatible with observations of low-redshift galaxies, but is in contradiction with some recent results based on spectroscopy of z ~ 3 galaxies.

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