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Orbit-superposition models of discrete, incomplete stellar kinematics: application to the Galactic centre

Abstract:

We present a method for fitting orbit-superposition ("Schwarzschild") models to the kinematics of discrete stellar systems when the available stellar sample is not complete, but has been filtered by a known selection function. As an example, we apply it to Fritz et al.'s kinematics of the innermost regions of the Milky Way's nuclear stellar cluster. Assuming spherical symmetry, our models fit a black hole of mass $M_\bullet=(3.76\pm0.22)\times10^6\,M_\odot$, surrounded by an extended mass $M_...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1093/mnras/stz037

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
484
Issue:
1
Pages:
1166–1181
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
pubs:920260
URN:
uri:22b3a4fe-3699-4895-a962-c5510b94f5a3
UUID:
uuid:22b3a4fe-3699-4895-a962-c5510b94f5a3
Local pid:
pubs:920260
Keywords:

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