The origin of intergalactic metals around Lyman-break galaxies

Details The origin of intergalactic metals around Lyman-break galaxies The origin of intergalactic metals around Lyman-break galaxies

2005-04-06

arxiv.org/abs/astro-ph/0504160v1

Astrophys.J. 625 (2005) L43-L46

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, ApJL in press

Scientific paper

10.1086/430779

Theoretical and observational arguments suggest that the intergalactic medium (IGM) might have been polluted with metals produced by early star formation. In this scenario, Lyman-break galaxies (LBGs) at redshift z=3 are likely to be surrounded by old metal bubbles, relics of an era when the characteristic mass of galaxies was small and gas retainment more difficult. We find that pregalactic enrichment of the IGM from 10^8-10^{10} M_sun dwarf galaxies at 6

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