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The REFLEX galaxy cluster survey VIII. Spectroscopic observations and optical atlas

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The REFLEX galaxy cluster survey VIII. Spectroscopic observations and optical atlas

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dc.contributor.author Ortiz-Gil, Amelia
dc.contributor.author Guzzo, L.
dc.contributor.author Schuecker, P.
dc.contributor.author Böhringer, H.
dc.contributor.author Collins, C. A.
dc.contributor.author De Grandi, S.
dc.contributor.author Edge, A. C.
dc.contributor.author Neumann, D. M.
dc.contributor.author Schindler, S.
dc.contributor.author Altucci, C.
dc.contributor.author Shaver, P. A.
dc.date.accessioned 2010-07-28T11:54:47Z
dc.date.available 2010-07-28T11:54:47Z
dc.date.issued 2009
dc.identifier.uri http://hdl.handle.net/10550/16710
dc.description.abstract We present the final data from the spectroscopic survey of the ROSAT-ESO Flux-Limited X-ray (REFLEX) catalog of galaxy clusters. The REFLEX survey covers 4.24 steradians (34% of the entire sky) below a declination of δ = +2.50 and at high Galactic latitude (|b| > 20◦). The REFLEX catalog includes 447 entries with a median redshift of 0.08 and is better than 90% complete to a limiting flux fX = 3 × 10−12 erg s−1 cm−2 (0.1 to 2.4 keV), representing the largest statistically homogeneous sample of clusters drawn from the ROSAT All-Sky Survey (RASS) to date. Here we describe the details of the spectroscopic observations carried out at the ESO 1.5 m, 2.2 m, and 3.6 m telescopes, as well as the data reduction and redshift measurement techniques. The spectra typically cover the wavelength range 3600–7500 Å at a two-pixel resolution of ∼14 Å, and the measured redshifts have a total rms error of ∼100 km s−1 . In total we present 1406 new galaxy redshifts in 192 clusters, most of which previously did not have any redshift measured. Finally, the luminosity/redshift distributions of the cluster sample and a comparison to the no-evolution expectations from the cluster X-ray luminosity function are presented. en
dc.language.iso en en
dc.relation http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361/200810838 en
dc.source GUZZO, L., SCHUECKER, P., BÖHRINGER, H., COLLINS, C. A., ORTIZ-GIL, A., DE GRANDI, S., EDGE, A. C., NEUMANN, D. M., SCHINDLER, S., ALTUCCI, C. and SHAVER, P. A. (2009): The REFLEX galaxy cluster survey VIII. Spectroscopic observations and optical atlas, Astronomy and Astrophysics, núm. 499, vol. 2, pp. 357 en
dc.subject Surveys; Galaxies : clusters : general; Galaxies : distances and redshifts en
dc.title The REFLEX galaxy cluster survey VIII. Spectroscopic observations and optical atlas en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia::Galaxias en
dc.subject.unesco UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia en
dc.identifier.doi 10.1051/0004-6361/200810838 en
dc.description.private aorgil@uv.es en
dc.identifier.idgrec 053074 en
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