SIMBAD references

1999A&AS..134...75H - Astron. Astrophys., Suppl. Ser., 134, 75-86 (1999/January-1)

The central region of the Fornax cluster. II. Spectroscopy and radial velocities of member and background galaxies.

HILKER M., INFANTE L., VIEIRA G., KISSLER-PATIG M. and RICHTLER T.

Abstract (from CDS):

Radial velocities of 94 galaxies brighter than about Vtot = 20 mag in the direction of the central Fornax cluster have been measured. Except for 8 Fornax members, all galaxies lie in the background. Among the 8 members, there are 5 nucleated dwarf ellipticals that are already listed in the FCC (Ferguson's 1989). Two of the 3 ``new'' members are very compact and have surface brightnesses comparable to globular clusters, however their luminosities are in the range of dwarf elliptical nuclei. The measured line indices (especially Mg2, Hβ, and iron) of the brighter of the compact objects suggest a solar metallicity, whereas the fainter compact object as well as the dE, Ns have line indices that are similar to those of old metal-poor globular clusters (GCs). However, with these data it is not possible to clearly classify the compact objects either as very bright globular clusters, isolated nuclei of dE, Ns, or even compact ellipticals. A background galaxy cluster at z=0.11 has been found just behind the center of the Fornax cluster. This explains the excess population of galaxies reported in Paper I. The brightest galaxy of the background cluster lies only 1.1' south of NGC 1399 and is comparable in absolute luminosity with the central Fornax galaxy itself.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: individual: Fornax cluster - galaxies: distances and redshifts - galaxies: abundances - galaxies: dwarf

VizieR on-line data: <Available at CDS (J/A+AS/134/75): table2.dat>

Simbad objects: 100

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