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The Universe Behind the Southern Milky Way

Published online by Cambridge University Press:  23 September 2016

Renée C. Kraan-Korteweg ,
Lister Staveley-Smith ,
Jennifer Donley ,
Bärbel Koribalski  and
Patricia A. Henning
Renée C. Kraan-Korteweg
Affiliation:
Depto. de Astronomía, Universidad de Guanajuato, Apdo. Postal 144, Guanajuato, GTO 36000, Mexico
Lister Staveley-Smith
Affiliation:
Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping, NSW 1710, Australia
Jennifer Donley
Affiliation:
Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping, NSW 1710, Australia
Bärbel Koribalski
Affiliation:
Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping, NSW 1710, Australia
Patricia A. Henning
Affiliation:
Institute for Astrophysics, University of New Mexico, 800 Yale Blvd., NE, Albuquerque, NM 87131, USA

Abstract

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A first analysis of a deep blind HI survey covering the southern Zone of Avoidance plus an extension towards the north (196† ≤ ℓ ≤ 52†) obtained with the Multibeam receiver at the 64-m Parkes telescope reveals slightly over a thousand galaxies within the latitude completeness limit of |b| ≤ 5†. The characteristics and the uncovered large-scale structures of this survey are described, in particular the prominence of the Norma Supercluster, the possible cluster around PKS 1343–601 (both in the Great Attractor region), as well as the Local Void and the clustering in the Puppis region. In this blind HI survey HIZOA J0836–43 was discovered, one of the most massive spiral galaxies known to date (MHI = 7.3 × 1010 M⊙, MT = 1.1 × 1012 M⊙; H0 = 75 km/s/Mpc). Although of similar mass to Malin 1-like objects, this galaxy does not share their typical low-surface brightness properties, but seems an exceptionally massive but normal, high surface brightness, star-forming galaxy.

Type
Session III: Local Structure
Information
Symposium - International Astronomical Union , Volume 216: Maps of the Cosmos , 2005 , pp. 203 - 210
Copyright
Copyright © Astronomical Society of the Pacific 2005 

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