1996/11/01 by Helene Di Nella, H. Di Nella, W. J. Couch +4 · 2 citations
Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Galaxies: Formation, Evolution, Phenomena #Galaxy #Physics #Redshift #Redshift survey #Schmidt camera #Telescope #astro-ph
paper · pdf · doi:10.1093/mnras/283.2.367
published as MNRAS 1996, 283, 367 · 14 pages, postscript including tables and figures,
openalex publication_date 1996/11/01 · arxiv created 1996/11/26 · arxiv updated 2015/06/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
In this paper we present a new redshift survey undertaken to address the rather interesting question that arises when all the currently available redshift information from the LEDA data base is plotted in ‘hypergalactic’ coordinates. A significant empty region was found between the southern Pavo—Indus (PI) wall and the northern Perseus—Pisces (PP) chain. This survey tests the reality of this void which may simply reflect previously poor sampling of the galaxies in this region. Redshifts for a magnitude-selected sample of 379 galaxies were obtained covering the four UKST/SERC survey fields: #537, #470, #346 and #290 with 15.5 ≤ BT ≤ 17.0 mag. All redshifts were obtained with the FLAIR multi-object spectroscopy system on the 1.2-m UK Schmidt Telescope at Siding Spring, Australia. Two highly significant density enhancements were found in the galaxy distribution at 133 and 200 Mpc (H0 = 75 km s−1 Mpc−1). We claim that no connection exists between PP and PI. However, a southern extension of PP was detected and makes the total length of this chain more than 150 Mpc.