Constraints on the Black Hole Mass and Dark Matter Halo of NGC 4472 from Globular Cluster Kinematics

Details Constraints on the Black Hole Mass and Dark Matter Halo of NGC 4472 from Globular Cluster Kinematics Constraints on the Black Hole Mass and Dark Matter Halo of NGC 4472 from Globular Cluster Kinematics

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21534707z&link_type=abstract

American Astronomical Society, AAS Meeting #215, #347.07; Bulletin of the American Astronomical Society, Vol. 42, p.529

Astronomy and Astrophysics

Astronomy

Scientific paper

We present radial velocities for 393 globular clusters around the Virgo elliptical galaxy NGC 4472. The velocities were primarily obtained with the VLT and FLAMES, and are notable for their very small uncertainties, typically less than 10 km/s. We use this large dataset to constrain the mass profile of NGC 4472 over a large range of radii. The resulting constraints on the dark matter halo and central black hole in this giant elliptical galaxy are discussed. We also investigate how future surveys will be able to improve on these constraints.

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