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The Persistence of Warps in Spiral Galaxies with Massive Halos

Abstract:

We study the persistence of warps in galactic discs in the presence of massive halos. A disc is approximated by a set of massive rings, while a halo is represented by a conventional n-body simulation. We confirm the conclusion of Nelson and Tremaine (1995) that a halo responds strongly to an embedded precessing disc. This response invalidates the approximations made by in the derivation of classical `modified tilt' modes. We show that the response of the halo causes the line of nodes of a dis...

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
297
Issue:
4
Pages:
1237-1244
Publication date:
1997-08-04
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:56453a38-3f5a-4a0d-a3ef-0a5bbfca3edc
Source identifiers:
167496
Local pid:
pubs:167496
Keywords:

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