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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

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.citation	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.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.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	journal article	es_ES
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.identifier.idgrec	053074	en
dc.type.hasVersion	VoR	es_ES
dc.identifier.url	http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361/200810838	en