Jones, D. Heath and Read, Mike A. and Saunders, Will and Colless, Matthew and Jarrett, Tom and Parker, Quentin A. and Fairall , Anthony P. and Mauch, Thomas and Sadler, Elaine M. and Watson, Fred G. and Burton, Donna and Campbell , Lachlan A. and Cass, Paul and Croom, Scott M. and Dawe, John and Fiegert , Kristin and Frankcombe, Leela and Hartley, Malcolm and Huchra , John and James , Dionne and Kirby , Emma and Lahav , Ofer and Lucey, John and Mamon , Gary A. and Moore, Lesa and Peterson, Bruce A. and Prior , Sayuri and Proust, Dominique and Russell , Ken and Safouris , Vicky and Wakamatsu , Ken-ichi and Westra , Eduard and Williams , Mary (2009) The 6dF Galaxy Survey: final redshift release (DR3) and southern large-scale structures. Monthly Notices of the Royal Astronomical Society, 399 (2). pp. 683-698. ISSN 0035-8711 http://resolver.caltech.edu/CaltechAUTHORS:20091102-131150092
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We report the final redshift release of the 6dF Galaxy Survey (6dFGS), a combined redshift and peculiar velocity survey over the southern sky (|b| > 10°). 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 data base. We describe changes to the information in the data base since earlier interim data releases. Future releases will include velocity dispersions, distances and peculiar velocities for the brightest early-type galaxies, comprising about 10 per cent 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 data base is http://www-wfau.roe.ac.uk/6dFGS.
|Additional Information:||© 2009 The Authors. Journal compilation © 2009 RAS. Accepted 2009 June 30. Received 2009 June 27; in original form 2009 March 31. DHJ acknowledges support from Australian Research Council Discovery – Projects Grant (DP-0208876), administered by the Australian National University. JH acknowledges support from the US National Science Foundation under grant AST0406906. We also acknowledge the valuable contributions of an anonymous referee. We dedicate this paper to two colleagues who made important contributions to the 6dFGS before their passing: John Dawe (1942–2004), observer and long-time proponent of wide-field fibre spectroscopy on the UKST from its earliest days, and Tony Fairall (1943–2008), whose unique insights from a career-long dedication to mapping the southern Universe underpin much of the interpretation contained herein.|
|Subject Keywords:||surveys; galaxies: distances and redshifts; cosmology: observations; large-scale structure of Universe|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||03 Nov 2009 22:12|
|Last Modified:||26 Dec 2012 11:31|
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