Physical Conditions in Lyman Break Galaxies Derived From Rest-Frame UV Spectra

Details Physical Conditions in Lyman Break Galaxies Derived From Rest-Frame UV Spectra Physical Conditions in Lyman Break Galaxies Derived From Rest-Frame UV Spectra

2001-12-12

arxiv.org/abs/astro-ph/0112262v1

Astronomy and Astrophysics

Astrophysics

4 pages, 1 figure. To appear in "A New Era in Cosmology", (ASP Conference Proceedings), eds. T. Shanks and N. Metcalfe

Scientific paper

We present the results of detailed studies of the astrophysical conditions in z~3 Lyman Break Galaxies (LBGs), placing particular emphasis on what is learned from LBG rest frame UV spectra. By drawing from our database of ~1000 spectra, and constructing higher S/N composite spectra from galaxies grouped according to properties such as luminosity, extinction, morphology, and environment, we can show how the rest-frame UV spectroscopic properties systematically depend on other galaxy properties. Such information is crucial to understanding the detailed nature of LBGs, and their impact on the surrounding IGM.

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