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Article: The Durham/UKST Galaxy Redshift Survey - III. Large-scale structure via the two-point correlation function

TitleThe Durham/UKST Galaxy Redshift Survey - III. Large-scale structure via the two-point correlation function
Authors
KeywordsGalaxies: clusters: general
Surveys
Large-scale structure of Universe
Cosmology: observations
Galaxies: general
Issue Date1998
Citation
Monthly Notices of the Royal Astronomical Society, 1998, v. 296, n. 1, p. 173-190 How to Cite?
AbstractWe have investigated the statistical clustering properties of galaxies by calculating the two-point galaxy correlation function from the optically selected Durham/ UKST Galaxy Redshift Survey. This survey is magnitude-limited to bJ ∼ 17, contains ∼ 2500 galaxies sampled at a rate of one-in-three and surveys a ∼ 4 × 106 (h-1 Mpc)3 volume of space. We have empirically determined the optimal method of estimating the two-point correlation function from just such a magnitude-limited survey. Applying our methods to this survey, we find that our redshift-space results agree well with those from previous optical surveys. In particular, we confirm the previously claimed detections of large-scale power out to ∼40 h-1 Mpc scales. We compare with two common models of cosmological structure formation and find that our two-point correlation function has power significantly in excess of the standard cold dark matter model in the 10-30 h-1 Mpc region. We therefore support the observational results of the APM galaxy survey. Given that only the redshift-space clustering can be measured directly, we use standard modelling methods and indirectly estimate the real-space two-point correlation function from the projected two-point correlation function. We then invert this projected correlation function to obtain an estimate of the spatial two-point correlation function in real space. This correlation function in real space has a lower amplitude than that in redshift space, but a steeper slope.
Persistent Identifierhttp://hdl.handle.net/10722/208809
ISSN
2015 Impact Factor: 4.952
2015 SCImago Journal Rankings: 2.806

 

DC FieldValueLanguage
dc.contributor.authorRatcliffe, Andrew-
dc.contributor.authorShanks, Tom-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorFong, Richard-
dc.date.accessioned2015-03-23T02:01:46Z-
dc.date.available2015-03-23T02:01:46Z-
dc.date.issued1998-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 1998, v. 296, n. 1, p. 173-190-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208809-
dc.description.abstractWe have investigated the statistical clustering properties of galaxies by calculating the two-point galaxy correlation function from the optically selected Durham/ UKST Galaxy Redshift Survey. This survey is magnitude-limited to bJ ∼ 17, contains ∼ 2500 galaxies sampled at a rate of one-in-three and surveys a ∼ 4 × 106 (h-1 Mpc)3 volume of space. We have empirically determined the optimal method of estimating the two-point correlation function from just such a magnitude-limited survey. Applying our methods to this survey, we find that our redshift-space results agree well with those from previous optical surveys. In particular, we confirm the previously claimed detections of large-scale power out to ∼40 h-1 Mpc scales. We compare with two common models of cosmological structure formation and find that our two-point correlation function has power significantly in excess of the standard cold dark matter model in the 10-30 h-1 Mpc region. We therefore support the observational results of the APM galaxy survey. Given that only the redshift-space clustering can be measured directly, we use standard modelling methods and indirectly estimate the real-space two-point correlation function from the projected two-point correlation function. We then invert this projected correlation function to obtain an estimate of the spatial two-point correlation function in real space. This correlation function in real space has a lower amplitude than that in redshift space, but a steeper slope.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectGalaxies: clusters: general-
dc.subjectSurveys-
dc.subjectLarge-scale structure of Universe-
dc.subjectCosmology: observations-
dc.subjectGalaxies: general-
dc.titleThe Durham/UKST Galaxy Redshift Survey - III. Large-scale structure via the two-point correlation function-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0002518599-
dc.identifier.volume296-
dc.identifier.issue1-
dc.identifier.spage173-
dc.identifier.epage190-

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