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Article: The 6dF Galaxy Survey: Samples, observational techniques and the first data release

TitleThe 6dF Galaxy Survey: Samples, observational techniques and the first data release
Authors
KeywordsSurveys
Galaxies: Clusters: General
Cosmology: Observations
Galaxies: Distances and redshifts
Large-scale structure of universe
Issue Date2004
Citation
Monthly Notices of the Royal Astronomical Society, 2004, v. 355, n. 3, p. 747-763 How to Cite?
AbstractThe 6dF Galaxy Survey (6dFGS) aims to measure the redshifts of around 150000 galaxies, and the peculiar velocities of a 15000-member subsample, over almost the entire southern sky. When complete, it will be the largest redshift survey of the nearby Universe, reaching out to about z ∼ 0.15, and more than an order of magnitude larger than any peculiar velocity survey to date. The targets are all galaxies brighter than K tot = 12.75 in the 2MASS Extended Source Catalog (XSC), supplemented by 2MASS and SuperCOSMOS galaxies that complete the sample to limits of (H, J, r F, b J) = (13.05, 13.75, 15.6, 16.75). Central to the survey is the Six-Degree Field (6dF) multifibre spectrograph, an instrument able to record 150 simultaneous spectra over the 5°.7-field of the UK Schmidt Telescope. An adaptive tiling algorithm has been employed to ensure around 95 per cent fibring completeness over the 17046 deg 2 of the southern sky with |b| > 10°. Spectra are obtained in two observations using separate V and R gratings, that together give R ∼ 1000 over at least 4000-7500 Å and signal-to-noise ratio ∼10 per pixel. Redshift measurements are obtained semi-automatically, and are assigned a quality value based on visual inspection. The 6dFGS data base is available at http://www-wfau.roe.ac.uk/6dFGS/, with public data releases occurring after the completion of each third of the survey.
Persistent Identifierhttp://hdl.handle.net/10722/208830
ISSN
2015 Impact Factor: 4.952
2015 SCImago Journal Rankings: 2.806

 

DC FieldValueLanguage
dc.contributor.authorHeath Jones, D.-
dc.contributor.authorSaunders, Will J.-
dc.contributor.authorColless, Matthew-
dc.contributor.authorRead, Michael A.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorWatson, Fred G.-
dc.contributor.authorCampbell, Lachlan A.-
dc.contributor.authorBurkey, Daniel-
dc.contributor.authorMauch, Tom-
dc.contributor.authorMoore, Lesa-
dc.contributor.authorHartley, Malcolm-
dc.contributor.authorCass, Paul-
dc.contributor.authorJames, Dionne M.-
dc.contributor.authorRussell, Ken S.-
dc.contributor.authorFiegert, Kristin-
dc.contributor.authorDawe, John A.-
dc.contributor.authorHuchra, John P.-
dc.contributor.authorJarrett, Thomas H M-
dc.contributor.authorLahav, Ofer-
dc.contributor.authorLucey, John R.-
dc.contributor.authorMamon, Gary A.-
dc.contributor.authorProust, Dominique-
dc.contributor.authorSadler, Elaine M.-
dc.contributor.authorWakamatsu, Kenichi-
dc.date.accessioned2015-03-23T02:01:50Z-
dc.date.available2015-03-23T02:01:50Z-
dc.date.issued2004-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 2004, v. 355, n. 3, p. 747-763-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208830-
dc.description.abstractThe 6dF Galaxy Survey (6dFGS) aims to measure the redshifts of around 150000 galaxies, and the peculiar velocities of a 15000-member subsample, over almost the entire southern sky. When complete, it will be the largest redshift survey of the nearby Universe, reaching out to about z ∼ 0.15, and more than an order of magnitude larger than any peculiar velocity survey to date. The targets are all galaxies brighter than K tot = 12.75 in the 2MASS Extended Source Catalog (XSC), supplemented by 2MASS and SuperCOSMOS galaxies that complete the sample to limits of (H, J, r F, b J) = (13.05, 13.75, 15.6, 16.75). Central to the survey is the Six-Degree Field (6dF) multifibre spectrograph, an instrument able to record 150 simultaneous spectra over the 5°.7-field of the UK Schmidt Telescope. An adaptive tiling algorithm has been employed to ensure around 95 per cent fibring completeness over the 17046 deg 2 of the southern sky with |b| > 10°. Spectra are obtained in two observations using separate V and R gratings, that together give R ∼ 1000 over at least 4000-7500 Å and signal-to-noise ratio ∼10 per pixel. Redshift measurements are obtained semi-automatically, and are assigned a quality value based on visual inspection. The 6dFGS data base is available at http://www-wfau.roe.ac.uk/6dFGS/, with public data releases occurring after the completion of each third of the survey.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectSurveys-
dc.subjectGalaxies: Clusters: General-
dc.subjectCosmology: Observations-
dc.subjectGalaxies: Distances and redshifts-
dc.subjectLarge-scale structure of universe-
dc.titleThe 6dF Galaxy Survey: Samples, observational techniques and the first data release-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1365-2966.2004.08353.x-
dc.identifier.scopuseid_2-s2.0-10844292799-
dc.identifier.volume355-
dc.identifier.issue3-
dc.identifier.spage747-
dc.identifier.epage763-

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