Initial Chemical Enrichment in Galaxies

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We present evidence that damped Lyman-alpha galaxies detected in spectra of quasars may not have started forming stars until the redshift z~3. If damped Lyman-alpha absorbers are the progenitors of disk galaxies, then the above result may indicate that star formation in galactic disks first began at z~3.
LaTeX, 1 PS figure, to appear in the Proceedings of the 18th Texas Symposium (1997)

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/11027

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/9701241
 http://arxiv.org/abs/astro-ph/9701241

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arXiv