Black holes in nearby nuclear star clusters

Black holes in nearby nuclear star clusters

The figure shows the radial velocity map of the nuclear cluster in the nearby galaxy NGC4244.

Using our high spatial resolution kinematic data, we are searching for black holes in the nearest nuclear star clusters. These objects are among the best environments to look for massive black holes in low mass galaxies. Nuclear star clusters are the objects with the highest stellar density in the universe. Resolving their internal kinematic structure down to small spatial scales will unmask hidden black holes dynamically.

Nuclear star clusters with central point source: massive black hole host?

-Aims: To investigate the excess central emission inside nuclear star clusters in late-type galaxies. Such emission is suggesting for either the presence of a weak AGN, i.e. accreting massive black hole, or nuclear star formation. We will investigate these possibilities through high spatial dynamical and stellar population analysis observations.

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