File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Structure and dynamics of the Shapley Supercluster: Velocity catalogue, general morphology and mass

TitleStructure and dynamics of the Shapley Supercluster: Velocity catalogue, general morphology and mass
Authors
KeywordsCosmology: observations
Galaxies: distances and redshifts
Galaxies: clusters: individual: Shapley Supercluster
Galaxies: clusters: individual: A 3558
Galaxies: clusters: general
Cosmology: large-scale structure of Universe
Issue Date2006
Citation
Astronomy and Astrophysics, 2006, v. 447, n. 1, p. 133-144 How to Cite?
AbstractWe present results of our wide-field redshift survey of galaxies in a 285 square degree region of the Shapley Supercluster (SSC), based on a set of 10 529 velocity measurements (including 1201 new ones) on 8632 galaxies obtained from various telescopes and from the literature. Our data reveal that the main plane of the SSC (v ≈14 500 km s-1) extends further than previous estimates, filling the whole extent of our survey region of 12 degrees by 30 degrees on the sky (30 × 75 h-1 Mpc). There is also a connecting structure associated with the slightly nearer Abell 3571 cluster complex (v ≈ 12 000 km s-1). These galaxies seem to link two previously identified sheets of galaxies and establish a connection with a third one at v̄ = 15 000 km s-1 near RA = 13b. They also tend to fill the gap of galaxies between the foreground Hydra-Centaurus region and the more distant SSC. In the velocity range of the Shapley Supercluster (9000 km s-1 < cz < 18000 km s-1), we found redshift-space overdensities with bj < 17.5 of ≃5.4 over the 225 square degree central region and ≃3.8 in a 192 square degree region excluding rich clusters. Over the large region of our survey, we find that the intercluster galaxies make up 48 per cent of the observed galaxies in the SSC region and, accounting for the different completeness, may contribute nearly twice as much mass as the cluster galaxies. In this paper, we discuss the completeness of the velocity catalogue, the morphology of the supercluster, the global overdensity, and some properties of the individual galaxy clusters in the Supercluster. © ESO 2006.
Persistent Identifierhttp://hdl.handle.net/10722/208848
ISSN
2014 Impact Factor: 4.378
2015 SCImago Journal Rankings: 2.446

 

DC FieldValueLanguage
dc.contributor.authorProust, Dominique-
dc.contributor.authorQuintana, Hernán-
dc.contributor.authorCarrasco, Eleazar Rodrigo-
dc.contributor.authorReisenegger, Andreas-
dc.contributor.authorSlezak, Éric-
dc.contributor.authorMuriel, Hernán-
dc.contributor.authorDünner, Rolando-
dc.contributor.authorSodré, Laerte Jr-
dc.contributor.authorDrinkwater, Michael J.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorRagone, C. J.-
dc.date.accessioned2015-03-23T02:01:55Z-
dc.date.available2015-03-23T02:01:55Z-
dc.date.issued2006-
dc.identifier.citationAstronomy and Astrophysics, 2006, v. 447, n. 1, p. 133-144-
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/10722/208848-
dc.description.abstractWe present results of our wide-field redshift survey of galaxies in a 285 square degree region of the Shapley Supercluster (SSC), based on a set of 10 529 velocity measurements (including 1201 new ones) on 8632 galaxies obtained from various telescopes and from the literature. Our data reveal that the main plane of the SSC (v ≈14 500 km s-1) extends further than previous estimates, filling the whole extent of our survey region of 12 degrees by 30 degrees on the sky (30 × 75 h-1 Mpc). There is also a connecting structure associated with the slightly nearer Abell 3571 cluster complex (v ≈ 12 000 km s-1). These galaxies seem to link two previously identified sheets of galaxies and establish a connection with a third one at v̄ = 15 000 km s-1 near RA = 13b. They also tend to fill the gap of galaxies between the foreground Hydra-Centaurus region and the more distant SSC. In the velocity range of the Shapley Supercluster (9000 km s-1 < cz < 18000 km s-1), we found redshift-space overdensities with bj < 17.5 of ≃5.4 over the 225 square degree central region and ≃3.8 in a 192 square degree region excluding rich clusters. Over the large region of our survey, we find that the intercluster galaxies make up 48 per cent of the observed galaxies in the SSC region and, accounting for the different completeness, may contribute nearly twice as much mass as the cluster galaxies. In this paper, we discuss the completeness of the velocity catalogue, the morphology of the supercluster, the global overdensity, and some properties of the individual galaxy clusters in the Supercluster. © ESO 2006.-
dc.languageeng-
dc.relation.ispartofAstronomy and Astrophysics-
dc.subjectCosmology: observations-
dc.subjectGalaxies: distances and redshifts-
dc.subjectGalaxies: clusters: individual: Shapley Supercluster-
dc.subjectGalaxies: clusters: individual: A 3558-
dc.subjectGalaxies: clusters: general-
dc.subjectCosmology: large-scale structure of Universe-
dc.titleStructure and dynamics of the Shapley Supercluster: Velocity catalogue, general morphology and mass-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1051/0004-6361:20052838-
dc.identifier.scopuseid_2-s2.0-32544440821-
dc.identifier.volume447-
dc.identifier.issue1-
dc.identifier.spage133-
dc.identifier.epage144-

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats