An empirical picture for the evolution of galaxies outside of clusters

Julio Saucedo-Morales; John Bieging

doi:10.1023/A:1012785725014

An empirical picture for the evolution of galaxies outside of clusters

Julio Saucedo-Morales, John Bieging

Steward Observatory

Research output: Contribution to journal › Article › peer-review

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 language	English (US)
Pages (from-to)	449-452
Number of pages	4
Journal	Astrophysics and Space Science
Volume	277
Issue number	SUPPL.
DOIs	https://doi.org/10.1023/A:1012785725014
State	Published - 2001

Keywords

Compact groups
Environment
Evolution
Galaxies
Isolated

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1023/A:1012785725014

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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.",

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AU - Bieging, John

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AB - 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.

KW - Compact groups

KW - Environment

KW - Evolution

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KW - Isolated

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An empirical picture for the evolution of galaxies outside of clusters

Abstract

Keywords

ASJC Scopus subject areas

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