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The Distribution of BCDGs in Voids

Published online by Cambridge University Press:  14 August 2015

Ulrich Lindner
Affiliation:
Universitätssternwarte, Geismarlandstr. 11, D-37083 Göttingen, Germany
Klaus J. Fricke
Affiliation:
Universitätssternwarte, Geismarlandstr. 11, D-37083 Göttingen, Germany
Jaan Einasto
Affiliation:
Tartu Astrophysical Observatory, EE-2444 Tõravere, Estonia
Maret Einasto
Affiliation:
Tartu Astrophysical Observatory, EE-2444 Tõravere, Estonia

Extract

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Generally the density of the environment is important for the formation and evolution of galaxies: bright elliptical galaxies reside in the centers of galaxy clusters, whereas late type galaxies preferentially populate small groups, filaments or the outskirts of rich clusters of galaxies. Furthermore, fainter galaxies define smaller voids than bright galaxies. Our investigation of void catalogues in the Northern Local Void region shows that large voids are interlaced by systems of faint galaxies dividing them into smaller subvoids (Lindner et al., 1995). This void hierarchy is an important property of the Large Scale Structure in the nearby Universe and can help to solve problems concerning the distribution of dwarf galaxies and BCDGs.

Type
II. Joint Discussions
Copyright
Copyright © Kluwer 1998

References

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