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2004A&A...415....9W - Astronomy and Astrophysics, volume 415, 9-18 (2004/2-3)

Extragalactic large-scale structures behind the southern Milky Way. IV. Redshifts obtained with MEFOS.


Abstract (from CDS):

As part of our efforts to unveil extragalactic large-scale structures behind the southern Milky Way, we here present redshifts for 764 galaxies in the Hydra/Antlia, Crux and Great Attractor region (266°≤l≤338°, |b|≲10°), obtained with the Meudon-ESO Fibre Object Spectrograph (MEFOS) at the 3.6-m telescope of ESO. The observations are part of a redshift survey of partially obscured galaxies recorded in the course of a deep optical galaxy search behind the southern Milky Way (Kraan-Korteweg, 2000A&AS..141..123K; Woudt & Kraan-Korteweg, 2001A&A...380..441W). A total of 947 galaxies have been observed, a small percentage of the spectra (N=109, 11.5%) were contaminated by foreground stars, and 74 galaxies (7.8%) were too faint to allow a reliable redshift determination. With MEFOS we obtained spectra down to the faintest galaxies of our optical galaxy survey, and hence probe large-scale structures out to larger distances (v≲30000km/s) than our other redshift follow-ups using the 1.9-m telescope at the South African Astronomical Observatory (Kraan-Korteweg et al., 1995A&A...297..617K; Fairall et al., 1998A&AS..127..463F; Woudt et al., 1999A&A...352...39W) and the 64-m Parkes radio telescope (Kraan-Korteweg et al., 2002A&A...391..887K). The most distinct large-scale structures revealed in the southern Zone of Avoidance are discussed in context to known structures adjacent to the Milky Way.

Abstract Copyright:

Journal keyword(s): catalogs - surveys - ISM: dust, extinction - galaxies: distances and redshifts - clusters: individual: ACO 3627 - large-scale structure of Universe

VizieR on-line data: <Available at CDS (J/A+A/415/9): table1.dat notes.dat table2.dat>

Simbad objects: 954

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