Elliptical Galaxies (original) (raw)

[ [M Elliptical] ](m/m032.html)Click icon to view an elliptical galaxy of Messier's catalog

The icon shows M87, also called Virgo A, the supergiant elliptical in the heart of the Virgo Cluster.

Elliptical galaxies are ellipsoidal agglomerations of stars, which usually do not contain much interstellar matter, and look smoothly like small wads in the telescope. Sizes vary from considerably small systems (as M32 which is quite bright though) to really giant guys as M87.

Some disk galaxies without much structure, i.e. lenticulars, can hardly be distinguished from (and thus are sometimes misclassified as) elliptical galaxies; this has happened in the past to all four Messier lenticulars, among many others.

Elliptical galaxies of Messier's catalog:M32,M49,M59,M60,M87,M89,M105,M110

(Probable) S0 galaxies in Messier's catalog:M84,M85,M86,M102

Links:

Structure and Dynamics of Elliptical Galaxies, by Tim de Zeeuw and Marijn Franx,Annual Review of Astronomy and Astrophysics 1991, 29:239-274.
Look at Elliptical Galaxies in Messier's Catalog
Also look at our collection of some significant non-Messier elliptical galaxies

Spiral

Lenticular

Irregular

Hartmut Frommert
Christine Kronberg
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Last Modification: April 26, 2013