Fox, Andrew J. ; Petitjean, Patrick ; Ledoux, Cedric ; Srianand, Raghunathan (2009) Studying hot gas using the ultraviolet: High ions in galactic halos Astrophysics and Space Science, 320 (1-3). pp. 27-30. ISSN 0004-640X
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Official URL: http://www.springerlink.com/content/q1m222j8651741...
Related URL: http://dx.doi.org/10.1007/s10509-007-9722-2
Abstract
Among the many spectral lines falling in the ultraviolet are the resonance doublets of the highly ionized species O VI, N V, C IV, and Si IV. By using both space-based UV observations and ground-based optical observations, these lines can be used to trace diffuse astrophysical plasma over a large fraction of the age of the Universe. In this paper we discuss observations of these absorption lines in damped Lyman-α systems at z ≈ 2-3, using the UVES spectrograph on the VLT in Chile.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Intergalactic medium; Quasars: Absorption lines; Galaxies: Halos; Galaxies: High-redshift |
| ID Code: | 55029 |
| Deposited On: | 18 Aug 2011 08:15 |
| Last Modified: | 18 Aug 2011 08:15 |
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