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Are the Perseus--Pisces chain and the Pavo--Indus wall connected?
Author(s) -
H. Di Nella,
W. J. Couch,
G. Paturel,
Q. A. Parker
Publication year - 1996
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-8711
pISSN - 0035-8711
DOI - 10.1093/mnras/283.2.367
Subject(s) - physics , galaxy , astrophysics , redshift , schmidt camera , telescope , astronomy , redshift survey
A significant empty region was found between the southern Pavo- Indus (PI)wall and the northern Perseus-Pisces (PP) chain. This survey tests the realityof this void which may simply reflect previous poor sampling of the galaxies inthis region. Redshifts for a magnitude selected sample of 379 galaxies wereobtained covering the four UKST/SERC survey fields with Bt <= 17.0. Allredshifts were obtained with the FLAIR multi-object spectroscopy system on the1.2 m U.K. Schmidt Telescope at Siding Spring, Australia. Two highlysignificant density enhancements were found in the galaxy distribution at 133Mpc and 200 Mpc (Ho=75 km/s/Mpc). We claim that no connexion exists between PPand PI. However, a southern extension of PP was detected and makes the totallength of this chain of more than 150 Mpc.Comment: 14 pages, postscript including tables and figures

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