Polar Ring Galaxies

The geometric properties of the dark halo in polar ring galaxies are studied. The S0 disk is used to define one principal plane of such a galaxy, and the dark halos are investigated in terms of rotation curves, stable and massless rings, transient rings, and self-gravitating rings. Whether polar rin...

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Veröffentlicht in:	Annals of the New York Academy of Sciences 1990-06, Vol.596 (1), p.198-206
1. Verfasser:	TOHLINE, JOEL E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONFIGURATION Earth, ocean, space Exact sciences and technology GALAXIES Interstellar medium (ism) and nebulae in external galaxies MATHEMATICAL MODELS MORPHOLOGY MOTION 640105 > Astrophysics & Cosmology-- Galaxies NONLUMINOUS MATTER RINGS ROTATION SPIRAL CONFIGURATION STABILITY Stellar systems. Galactic and extragalactic objects and systems. The universe
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Beschreibung
Zusammenfassung:	The geometric properties of the dark halo in polar ring galaxies are studied. The S0 disk is used to define one principal plane of such a galaxy, and the dark halos are investigated in terms of rotation curves, stable and massless rings, transient rings, and self-gravitating rings. Whether polar rings are stable or are transient structures is considered. 30 refs.
ISSN:	0077-8923 1749-6632
DOI:	10.1111/j.1749-6632.1990.tb27426.x