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A SAURON study of M32: measuring the intrinsic flattening and the central black hole mass

Abstract:

We present dynamical models of the nearby compact elliptical galaxy M32, using high-quality kinematic measurements, obtained with the integral-field spectrograph SAURON mounted on the William Herschel Telescope on La Palma. We also include STIS data obtained previously by Joseph et al. We find a best-fitting black hole mass of M• = (2.5 ± 0.5) × 106 M⊙ and a stellar I-band mass-to-light ratio of (1.85 ± 0.15) M⊙/L⊙. For the first time, we are also able to constrain the inclination along which...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
335
Issue:
3
Pages:
517-525
Publication date:
2002-09-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
3403
Language:
English
Keywords:
Pubs id:
pubs:3403
UUID:
uuid:84734674-59b3-4a55-8e4e-d70bfc431a9b
Local pid:
pubs:3403
Deposit date:
2012-12-19

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