Magellanic spiral galaxies are galaxies which are classified as the type Sm (and SAm , SBm , SABm). They are galaxies with one spiral arm, and are named after their prototype, the Large Magellanic Cloud, an SBm galaxy.
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Magellanic spirals
SAm galaxies are a type of barless spiral galaxy, while SBm are a type of barred spiral galaxy. [1]
Type Sm and Im galaxies have also been categorized as irregular galaxies with some structure (type Irr-1). Sm galaxies are typically disrupted and asymmetric. [2]
The Magellanic spiral classification was introduced by Gerard de Vaucouleurs, along with Magellanic irregular (Im), when he revamped the Hubble classification of galaxies.
List of Magellanic spirals
Barless (SAm)
Barred (SBm)
- Large Magellanic Cloud (LMC)
- NGC 1311 [3]
- NGC 4618 [4]
Intermediate (SABm)
References
- ^ Linda S. Sparke, John Sill Gallagher, "Galaxies in the Universe: An Introduction", 2ed., Cambridge University Press, '2007', ISBN 9780521855938
- ^ citeBase; Neutral Hydrogen in the Interacting Magellanic Spirals NGC 4618/4625; Stephanie J. Bush; Eric M. Wilcots; (accessed 1 March 2009)
- ^ Paul B. Eskridge; "Recent Star and Cluster Formation in the Nearby Magellanic Spiral NGC 1311"; 'American Astronomical Society Meeting' 208, #14.04; Bulletin of the American Astronomical Society, Vol. 38, p.93; (accessed 1 March 2009)
- ^ University of Wisconsin, BARRED MAGELLANIC SPIRALS (accessed 1 March 2009)
See also
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