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Metal Enrichment of Ly Alpha Clouds and the Intergalactic Medium

Published online by Cambridge University Press:  25 May 2016

I. Murakami  and
K. Yamashita
I. Murakami
Affiliation:
National Institute for Fusion Science, Toki, 509-5292, Japan
K. Yamashita
Affiliation:
Information Processing Center, Chiba Univ., Chiba 263, Japan

Extract

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We have considered the metal enrichment of the intergalactic medium (IGM) and Lyα clouds at high redshifts. The CIV absorption lines associated with the Lyα forest have been observed (e.g. Songaila & Cowie 1996) and the metallicity is estimated as ~0.01Z⊙. Here, based on a galactic wind model, we have examined how the IGM is metal-enriched by the outflows driven by supernova explosions in primeval galaxies and minihalos.

Type
Deep Fields & Evolution
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 482
Copyright
Copyright © Kluwer 1999 

References

Songaila, A. & Cowie, L.L. 1996, AJ, 112, 335 CrossRefGoogle Scholar