The Origin of Intergalactic Metals around Lyman Break Galaxies | Zendy

C. Porciani | Zendy; Piero Madau | Zendy

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The Origin of Intergalactic Metals around Lyman Break Galaxies

Author(s) -

C. Porciani,

Piero Madau

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/430779

Subject(s) - physics , astrophysics , galaxy , redshift , intergalactic travel , intergalactic medium , dwarf galaxy , astronomy , galaxy formation and evolution

Theoretical and observational arguments suggest that the intergalactic medium(IGM) might have been polluted with metals produced by early star formation. Inthis scenario, Lyman-break galaxies (LBGs) at redshift z=3 are likely to besurrounded by old metal bubbles, relics of an era when the characteristic massof galaxies was small and gas retainment more difficult. We find thatpregalactic enrichment of the IGM from 10^8-10^{10} M_sun dwarf galaxies at6

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