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First Results from the HI Parkes Zone of Avoidance Survey

Published online by Cambridge University Press:  12 April 2016

P.A. Henning ,
L. Staveley-Smith ,
R.C. Kraan-Korteweg  and
E.M. Sadler
P.A. Henning
Affiliation:
Institute for Astrophysics, University of New Mexico, Albuquerque, NM, 87131
L. Staveley-Smith
Affiliation:
Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping, NSW 1710, Australia
R.C. Kraan-Korteweg
Affiliation:
Departamento de Astronomia, Universidad de Guanajuato, Guanajuato, Gto. CP 36000, Mexico
E.M. Sadler
Affiliation:
School of Physics, University of Sydney, NSW 2006, Australia

Abstract

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The HI Parkes Zone of Avoidance Survey is a 21 cm blind search with the multibeam receiver on the 64-m radiotelescope, looking for galaxies hidden behind the southern Milky Way. The first phase of the survey has uncovered 107 galaxies, two-thirds of which were previously unknown. The addition of these galaxies to existing extragalactic catalogs allows the connectivity of large-scale structures across the Zone of Avoidance within 3500 km s−1 to become evident. No nearby hidden “Andromeda-class” object was uncovered. Our census of the most dynamically important HI-bearing nearby galaxies is now complete, at least for those objects whose HI profiles are not totally buried in the Galactic HI signal. The full survey is ongoing, and is expected to produce a catalog of thousands of objects when it is finished.

Type
HI and QSO absorption lines
Information
International Astronomical Union Colloquium , Volume 171: The Low Surface Brightness Universe , 1999 , pp. 331 - 333
Copyright
Copyright © Astronomical Society of the Pacific 1999

References

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