Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/9190
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dc.contributor.authorLe Borgne, J. F.cat
dc.contributor.authorPelló i Descayre, Rosercat
dc.contributor.authorSanahuja i Parera, Blaicat
dc.date.accessioned2009-08-25T07:45:20Z-
dc.date.available2009-08-25T07:45:20Z-
dc.date.issued1992cat
dc.identifier.issn0365-0138cat
dc.identifier.urihttps://hdl.handle.net/2445/9190-
dc.description.abstractWe present new photometric and spectroscopic observations of objects in the field of the cluster of galaxies Abell 2218. The photometric survey, centered on the cluster core, extends to a field of about 4 x 4 arcmin. It was performed in 5 bands (B,g,r,i and z filters). This sample, which includes 729 objects, is about three times larger than the survey made by Butcher and collaborators (Butcher et al., 1983, Butcher and Oemler, 1984) in the same central region of the field. Only 228 objects appear in both catalogues since our survey covers a smaller region. The spectral range covered by our filters is wider and the photometry is much deeper, up to magnitude 27 in r. The spectroscopic survey concerns 66 objects, on a field comparable to that of Butcher and collaborators. From our observations we calculate the mean redshift of the cluster, 0.1756, and its velocity dispersion, 1370 km/s. The spectral types are determined for many galaxies in the sample by comparing their spectra with synthetic ones from Rocca-Volmerange and Guiderdoni (1988).eng
dc.format.extent21 p.cat
dc.format.mimetypeapplication/pdfeng
dc.language.isoengeng
dc.publisherEDP Sciencescat
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per NASA Astrophysics Data System http://adsabs.harvard.edu/cat
dc.relation.ispartofAstronomy and Astrophysics Supplement Series, 1992, vol. 95, núm. 1, p. 87-107.cat
dc.rights(c) The European Southern Observatory, 1992cat
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationCúmuls de galàxiescat
dc.subject.classificationFotometria astronòmicacat
dc.subject.classificationClusters of galaxiescat
dc.subject.otherAstronomical photometryrng
dc.titlePhotometric and spectroscopic survey of the cluster of galaxies Abell A2218eng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec87269cat
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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