Molecular hydrogen at high redshift

Srianand, R. (2006) Molecular hydrogen at high redshift Proceedings of the International Astronomical Union, 1 . pp. 319-323. ISSN 1743-9213

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Official URL: http://journals.cambridge.org/action/displayAbstra...

Related URL: http://dx.doi.org/10.1017/S1743921306000834

Abstract

Absorption lines of molecular hydrogen provide a most sensitive and powerful tool to understand the early evolution of galaxies and the intergalactic medium (IGM). In addition these lines are useful to investigate the space and time variations of the ratio of electron to proton mass. In this presentation I review the status of the search for H2 at high z. High resolution spectrograph on ELTs will allow us to detect H2 in the Lyman Break Galaxies (LBGs) and CO and HD in DLAs that already show H2. This will allow us to investigate the astrochemistry at early epochs and study the physics of interstellar medium (ISM) at high redshifts.

Item Type:Article
Source:Copyright of this article belongs to Cambridge University Press.
Keywords:Quasar: Absorption Lines; Galaxies: Intergalactic Medium; Galaxies: High-redshift
ID Code:55310
Deposited On:18 Aug 2011 08:06
Last Modified:18 Aug 2011 08:06

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