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KECK HIRES Spectroscopy of APM 08279+5255

Sara L. Ellison, Geraint F. Lewis, Max Pettini, Wallace L. W. Sargent, Frederic H. Chaffee, Craig B. Foltz, Michael Rauch and Mike J. Irwin
Publications of the Astronomical Society of the Pacific
Vol. 111, No. 762 (August 1999), pp. 946-953
DOI: 10.1086/316414
Stable URL: http://www.jstor.org/stable/10.1086/316414
Page Count: 8
Subjects: Astronomy
Find more content in these subjects: Astronomy
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Abstract

ABSTRACT With an optical R‐band magnitude of 15.2, the recently discovered \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage[OT2,OT1]{fontenc} \newcommand\cyr{ \renewcommand\rmdefault{wncyr} \renewcommand\sfdefault{wncyss} \renewcommand\encodingdefault{OT2} \normalfont \selectfont} \DeclareTextFontCommand{\textcyr}{\cyr} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} \landscape $z=3.911$ \end{document} broad absorption line quasar APM 08279+5255 is an exceptionally bright high‐redshift source. Its brightness has allowed us to acquire a high signal‐to‐noise ratio (∼80), high‐resolution (∼6 km s−1) spectrum using the HIRES echelle spectrograph on the 10 m Keck I telescope. Given the quality of the data, these observations provide an unprecedented view of associated and intervening absorption systems. Here we announce the availability of this spectrum to the general astronomical community and present a brief analysis of some of its main features.

Notes and References

This item contains 19 references.

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