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Measuring the low mass end of the Mbh - sigma relation

Abstract:

We show that high quality laser guide star (LGS) adaptive optics (AO) observations of nearby early-type galaxies are possible when the tip-tilt correction is done by guiding on nuclei while the focus compensation due to the changing distance to the sodium layer is made 'open loop'. We achieve corrections such that 40% of flux comes from R<0.2 arcsec. To measure a black hole mass (Mbh) one needs integral field observations of both high spatial resolution and large field of view. With these ...

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Krajnovic, D More by this author
Cappellari, M More by this author
McDermid, RM More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Publication date:
2010-02-03
URN:
uuid:c62feb4d-e01a-4302-8d84-bed3a7a9148f
Source identifiers:
499764
Local pid:
pubs:499764
Keywords:

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