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The 6dF Galaxy Survey: Final Redshift Release (DR3) and Southern Large-Scale Structures | | D. Heath Jones
; Mike A. Read
; Will Saunders
; Matthew Colless
; Tom Jarrett
; Quentin Parker
; Anthony Fairall
; Thomas Mauch
; Elaine Sadler
; Fred Watson
; Donna Burton
; Lachlan Campbell
; Paul Cass
; Scott Croom
; John Dawe
; Kristin Fiegert
; Leela Frankcombe
; Malcolm Hartley
; John Huchra
; Dionne James
; Emma Kirby
; Ofer Lahav
; John Lucey
; Gary Mamon
; Lesa Moore
; Bruce Peterson
; Sayuri Prior
; Dominique Proust
; Ken Russell
; Vicky Safouris
; Ken-ichi Wakamatsu
; Eduard Westra
; Mary Williams
; | | Date: |
31 Mar 2009 | | Abstract: | We report the final redshift release of the 6dF Galaxy Survey, a combined
redshift and peculiar velocity survey over the southern sky (|b|>10 deg). Its
136,304 spectra have yielded 110,256 new extragalactic redshifts and a new
catalogue of 125,071 galaxies making near-complete samples with (K, H, J, r_F,
b_J) <= (12.65, 12.95, 13.75, 15.60, 16.75). The median redshift of the survey
is 0.053. Survey data, including images, spectra, photometry and redshifts, are
available through an online database. We describe changes to the information in
the database since earlier interim data releases. Future releases will include
velocity dispersions, distances and peculiar velocities for the brightest
early-type galaxies, comprising about 10% of the sample. Here we provide
redshift maps of the southern local universe with z<=0.1, showing nearby
large-scale structures in hitherto unseen detail. A number of regions known
previously to have a paucity of galaxies are confirmed as significantly
underdense regions. The URL of the 6dFGS database is
this http URL | | Source: | arXiv, 0903.5451 | | Services: | Forum | Review | PDF | Favorites | |
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