Environmental Dependence of the Nature of Gaseous Envelopes of Galaxies at z < 1

Noriaki Yahata; Kenneth M. Lanzetta; John K. Webb; Xavier Barcons

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Environmental Dependence of the Nature of Gaseous Envelopes of Galaxies at z < 1

Noriaki Yahata·Kenneth M. Lanzetta·John K. Webb·Xavier Barcons

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Abstract

We present new statistical study on the origin of Lyman-alpha absorption systems that are detected in QSO fields. The primary objective is to investigate environmental dependence of the relationship between galaxies and Lyman-alpha absorption systems. We find that galaxies exhibit no environmental dependence in giving rise to Lyman-alpha absorbers in their halos. Conversely, Lyman-alpha absorbers do not exhibit preference as to the environment where they reside.

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Noriaki Yahata, Kenneth M. Lanzetta, John K. Webb, Xavier Barcons. 1998-09-24. Environmental Dependence of the Nature of Gaseous Envelopes of Galaxies at z < 1. https://arxiv.org/abs/astro-ph/9809296

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