A Population of Compact Elliptical Galaxies Detected with the Virtual Observatory-Reference-Cited by-同舟云学术

A Population of Compact Elliptical Galaxies Detected with the Virtual Observatory

Published:2009-12-04 Issue:5958 Volume:326 Page:1379-1382
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chilingarian Igor¹²³,Cayatte Véronique⁴,Revaz Yves⁵,Dodonov Serguei⁶,Durand Daniel⁷,Durret Florence⁸⁹,Micol Alberto¹⁰,Slezak Eric¹¹

Affiliation:

1. Observatoire de Paris-Meudon, Laboratoire d’Etude du Rayonnement et de la Matiére en Astrophysique, UMR 8112, 61 Avenue de l’Observatoire, 75014 Paris, France.

2. Sternberg Astronomical Institute, Moscow State University, 13 Universitetsky Prospect, Moscow, 119296, Russia.

3. Observatoire de Paris, VO Paris Data Centre, 61 Avenue de l’Observatoire, 75014 Paris, France.

4. Observatoire de Paris-Meudon, Laboratoire Univers et Théories, UMR 8102, 5 Place Jules Janssen, 92195 Meudon, France.

5. Ecole Polytechnique Fédérale de Lausanne, Laboratory of Astrophysics, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland.

6. Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchukskij Region, Karachai-Cirkassian Republic, 369167, Russia.

7. National Research Council Canada, Herzberg Institute of Astrophysics, 5071 West Saanich Road, Victoria, BC, V9E 2E7 Canada.

8. CNRS, UMR 7095, Institut d’Astrophysique de Paris, 98 bis, Boulevard Arago, 75014 Paris, France.

9. Université Pierre et Marie Curie Université Paris 06, UMR 7095, Institut d’Astrophysique de Paris, 98 bis, Boulevard Arago, 75014 Paris, France.

10. European Southern Observatory, Karl-Schwarzschild-Strasse 2, 85748 Garching bei München, Germany.

11. University of Nice Sophia Antipolis, CNRS, Observatoire de la Côte d’Azur, BP 4229, 06304 Nice Cedex 4, France.

Abstract

Elliptical Galaxy Evolution Our closest elliptical galaxy, M32, represents a rare class of elliptical galaxies that are too compact for their luminosities. Only a handful of elliptical galaxies with luminosities and sizes comparable to M32 have been found, making it difficult to understand how they evolved. Chilingarian et al. (p. 1379 , published online 1 October) present a sample of 21 compact elliptical galaxies gathered through automated data mining of the Hubble Space Telescope Legacy Archive and other databases by means of virtual observatory tools. The results suggest that tidal stripping of more massive progenitor galaxies produces compact elliptical galaxies.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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