2010
DOI: 10.1088/0004-637x/721/1/90
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SPT-CL J0546-5345: A MASSIVEz>1 GALAXY CLUSTER SELECTED VIA THE SUNYAEV-ZEL'DOVICH EFFECT WITH THE SOUTH POLE TELESCOPE

Abstract: We report the spectroscopic confirmation of SPT-CL J0546-5345 at z = 1.067. To date this is the most distant cluster to be spectroscopically confirmed from the 2008 South Pole Telescope (SPT) catalog, and indeed the first z > 1 cluster discovered by the Sunyaev-Zel'dovich Effect (SZE). We identify 21 secure spectroscopic members within 0.9 Mpc of the SPT cluster position, 18 of which are quiescent, early-type galaxies. From these quiescent galaxies we obtain a velocity dispersion of 1179 +232 −167 km/s, rankin… Show more

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Cited by 99 publications
(92 citation statements)
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“…BCS used the Mosaic-II wide field imager on the Blanco 4 m telescope at the Cerro Tololo Inter-American Observatory in Chile. The BCS obtained contiguous deep optical imaging in the griz bands across their survey fields, and these data have been processed using a development version of the DES data management system (Ngeow et al 2006;Mohr et al 2008) and then used in the study of the galaxy population and in the redshift estimation of the first SPT survey fields (Ngeow et al 2009;Staniszewski et al 2009;High et al 2010;Brodwin et al 2010;Zenteno et al 2011). These data are publicly available through the NOAO Survey Program and have been used by other groups to study clusters in the SPT survey region (Menanteau et al , 2010 High et al (2010).…”
Section: Optical Imaging and Spectroscopymentioning
confidence: 99%
“…BCS used the Mosaic-II wide field imager on the Blanco 4 m telescope at the Cerro Tololo Inter-American Observatory in Chile. The BCS obtained contiguous deep optical imaging in the griz bands across their survey fields, and these data have been processed using a development version of the DES data management system (Ngeow et al 2006;Mohr et al 2008) and then used in the study of the galaxy population and in the redshift estimation of the first SPT survey fields (Ngeow et al 2009;Staniszewski et al 2009;High et al 2010;Brodwin et al 2010;Zenteno et al 2011). These data are publicly available through the NOAO Survey Program and have been used by other groups to study clusters in the SPT survey region (Menanteau et al , 2010 High et al (2010).…”
Section: Optical Imaging and Spectroscopymentioning
confidence: 99%
“…Although this relation was defined at low redshift, there is no expectation of, nor evidence for, evolution in this relation to z ∼ 1 (e.g., Wu et al 1998;Tran et al 1999;Brodwin et al 2010). Figure 4 plots ISCS J1438.1+3414 on this σ − T X relation (large red circle).…”
Section: σ − T X Relationmentioning
confidence: 99%
“…At z = 1.414, this is the most distant cluster for which this relation has ever been tested. A comparison sample of low redshift (z < 0.1) clusters is plotted, along with the most massive spectroscopically confirmed cluster at z > 1, SPT-CL J0546-5345 from Brodwin et al (2010). The dashed line is the best-fit relation Girardi et al (1996) obtained using previous temperatures from the literature, and the solid line is our own fit using the Vikhlinin et al (2009) temperatures for the low-z clusters.…”
Section: σ − T X Relationmentioning
confidence: 99%
See 1 more Smart Citation
“…Martig et al 2009), in dense galaxy environments, such as galaxy clusters, the removal of cold gas from galaxies and their surroundings is expected to be efficient in quenching star formation (see Balogh et al 2004). The formation of galaxy clusters is a long process that has initial phases at redshifts higher than about 3, and although massive clusters have been observed at redshifts about unity or more (Brodwin et al 2010(Brodwin et al , 2013Propris et al 2015;Ma et al 2015), it is expected that cluster formation is a process that goes on well below z ≈ 1 (Kravtsov & Borgani 2012;Planelles et al 2014). In fact, the nearby Virgo cluster is known for not yet being dynamically fully relaxed (Binggeli 1999).…”
Section: Introductionmentioning
confidence: 99%