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astro-ph2001
HST observations of NGC 6240
J. Gerssen, R. P. van der Marel, D. Axon +3
WFPC2 images and STIS spectroscopic observations are presented of the double nucleus in the merger system NGC 6240. We find that: (a) the kinematics of the ionized gas is similar t…
astro-ph2000
The black hole mass vs bulge mass relationship in spiral galaxies
A. Marconi, D. Axon, J. Atkinson +15
We describe an on-going HST program aimed at determining the relationship between the nuclear black hole mass and bulge mass in spiral galaxies. We have selected a volume limited s…
astro-ph2000
The Origins of Disk Heating
M. R. Merrifield, J. Gerssen, K. Kuijken
By making spectral absorption-line observations of disk galaxies at intermediate inclinations, we have been able to determine the amplitude of their constituent stars' random motio…