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Directly imaging damped Lyα galaxies at z > 2 – II. Imaging and spectroscopic observations of 32 quasar fields.

Fumagalli, M and O'Meara, J. and Prochaska, X. and Kanekar, N. and Wolfe, A. (2014) 'Directly imaging damped Lyα galaxies at z > 2 – II. Imaging and spectroscopic observations of 32 quasar fields.', Monthly notices of the Royal Astronomical Society., 444 (2). pp. 1282-1300.

Abstract

Damped Lyα absorbers (DLAs) are a well-studied class of absorption line systems, and yet the properties of their host galaxies remain largely unknown. To investigate the origin of these systems, we have conducted an imaging survey of 32 quasar fields with intervening DLAs between z ∼ 1.9 and 3.8, leveraging a technique that allows us to image galaxies at any small angular separation from the background quasars. In this paper, we present the properties of the targeted DLA sample, new imaging observations of the quasar fields, and the analysis of new and archival spectra of the background quasars.

Item Type:Article
Keywords:ISM: atoms, Galaxies: Evolution, Galaxies: high-redshift, Quasars: absorption lines, Galaxies: star formation, Ultraviolet: ISM
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1093/mnras/stu1512
Publisher statement:This article has been accepted for publication in Monthly notices of the Royal Astronomical Society. ©: 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Date accepted:No date available
Date deposited:01 September 2014
Date of first online publication:October 2014
Date first made open access:No date available

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