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Three-dimensional Keplerian orbit-superposition models of the nucleus of M31

Abstract:

We present three-dimensional eccentric disc models of the nucleus of M31, modelling the disc as a linear combination of thick rings of massless stars orbiting in the potential of a central black hole. Our models are nonparametric generalisations of the parametric models of Peiris and Tremaine. The models reproduce well the observed WFPC2 photometry, the detailed line-of-sight velocity distributions from STIS observations along P1 and P2, together with the qualitative features of the OASIS kin...

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Publication status:
Published

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Publisher copy:
10.1093/mnras/stt104

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
431
Issue:
1
Pages:
80-91
Publication date:
2013-03-14
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:7ca57f33-1d5f-4b79-be42-25f7dbc4518b
Source identifiers:
395886
Local pid:
pubs:395886
Language:
English
Keywords:

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