An empirical picture for the evolution of galaxies outside of clusters

Julio Saucedo-Morales, John Bieging

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The main goal of this work is to study the properties of isolated elliptical galaxies with the hope of learning about their formation and evolution. A sample that contains ∼ 25% of the galaxies classified as ellipticals in the Karachentseva Catalog of Isolated Galaxies is investigated. Approximately one halt of these galaxies appear to be misclassified, a result which may imply a reduction of the percentage of ellipticals in the Karachentseva catalog to (6 ± 2)% of the total population of isolated galaxies. A significant number of merger candidates has also been found among the isolated galaxies. It is argued that the fraction of merger candidates to isolated ellipticals can be used to constrain models for the evolution of compact groups into isolated galaxies.

Original languageEnglish (US)
Pages (from-to)449-452
Number of pages4
JournalAstrophysics and Space Science
Volume277
Issue numberSUPPL.
DOIs
StatePublished - Dec 1 2001

Keywords

  • Compact groups
  • Environment
  • Evolution
  • Galaxies
  • Isolated

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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