Cosmic Chronometers: Constraining the Equation of State of Dark Energy. II. A Spectroscopic Catalog of Red Galaxies in Galaxy Clusters

Cosmic Chronometers: Constraining the Equation of State of Dark Energy. II. A Spectroscopic Catalog of Red Galaxies in Galaxy Clusters

We present a spectroscopic catalog of (mostly) red galaxies in 24 galaxy clusters in the redshift range 0.17 < z < 0.92 obtained with the LRIS instrument on the Keck I telescope. Here we describe the observations and the galaxy spectra, including the discovery of three cD galaxies with LINER e...

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Veröffentlicht in:The Astrophysical journal. Supplement series 2010-05, Vol.188 (1), p.280-289
Hauptverfasser: Stern, Daniel, Jimenez, Raul, Verde, Licia, Stanford, S. Adam, Kamionkowski, Marc
Format: Artikel
Sprache:eng
Schlagworte:
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
COSMOLOGY
DOCUMENT TYPES
EMISSION SPECTRA
EQUATIONS
EQUATIONS OF STATE
GALAXIES
GALAXY CLUSTERS
MATTER
NONLUMINOUS MATTER
RED SHIFT
SPECTRA
TELESCOPES
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Beschreibung
Zusammenfassung:We present a spectroscopic catalog of (mostly) red galaxies in 24 galaxy clusters in the redshift range 0.17 < z < 0.92 obtained with the LRIS instrument on the Keck I telescope. Here we describe the observations and the galaxy spectra, including the discovery of three cD galaxies with LINER emission spectra, and the spectroscopic discovery of four new galaxy-galaxy lenses in cluster environments.
ISSN:0067-0049
1538-4365
DOI:10.1088/0067-0049/188/1/280