Extragalactic Group : Dark Matter
[M87 (StScI/AURA)] So far, in most models
the contribution of the galaxy’s dark matter halo has been neglected.
Gebhardt & Thomas (2009) recently showed that the
black-hole mass can be underestimated... For the
massive galaxy M87 they found an increase of more than a
factor of 2 in the measured black-hole mass, just by including
a dark matter halo in the modeling.
Effect of a Dark Matter Halo on the Determination of Black Hole Masses