Physics – Optics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21742206m&link_type=abstract
American Astronomical Society, AAS Meeting #217, #422.06; Bulletin of the American Astronomical Society, Vol. 43, 2011
Physics
Optics
Scientific paper
The black hole mass - luminosity relationship in spheroidal galaxies predicts that the Universe's most massive black holes reside at the centers of Brightest Cluster Galaxies (BCGs). We present the stellar dynamical measurement of the black hole mass in Brightest Cluster Galaxy NGC 6086, plus preliminary measurements for several other BCGs. These are among the most massive and most distant black holes detected with direct dynamical methods. We measured the central stellar dynamics in BCGs using laser guide star adaptive optics and the integral-field spectrograph OSIRIS on the 10-m Keck II telescope. Our measurements will help identify the dominant processes for building giant galaxies at the centers of galaxy clusters, along with their central black holes. Our work is supported in part by the National Science Foundation and the Center for Adaptive Optics.
Gebhardt Karl
Graham James R.
Lauer Tod R.
Ma Caiwen
McConnell Nicholas J.
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