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The mass of the black hole in Centaurus A from SINFONI AO-assisted integral-field observations of stellar kinematics
Michele Cappellari, N. Neumayer, J. Reunanen +3
We present a determination of the mass of the supermassive black hole (BH) and the nuclear stellar orbital distribution of the elliptical galaxy Centaurus A (NGC5128) using high-re…
Geometrically Derived Timescales for Star Formation in Spiral Galaxies
D. Tamburro, H. -W. Rix, F. Walter +4
We estimate a characteristic timescale for star formation in the spiral arms of disk galaxies, going from atomic hydrogen (HI) to dust-enshrouded massive stars. Drawing on high-res…
Near-Infrared spectral diagnostics for unresolved stellar population galaxies
M. Cesetti, V. D. Ivanov, L. Morelli
We want to develop spectral diagnostics of stellar populations in the near-infrared (NIR), for unresolved stellar populations. We created a semi-empirical population model and we c…
Caught in formation: the nuclear-cluster-to-be in NGC 2139
David R. Andersen, C. Jakob Walcher, Torsten Boeker +4
Close to its center, the bulgeless galaxy NGC 2139 hosts a star cluster that is younger and less massive than any actual nuclear star cluster (NC) studied so far. We have measured…
Hubble Space Telescope Spectroscopic Observations of the Narrow-Line Region in Nearby Low-Luminosity Active Galactic Nuclei
Jonelle L. Walsh, Aaron J. Barth, Luis C. Ho +5
(Abridged) We present STIS observations of 14 nearby low-luminosity active galactic nuclei, including 13 LINERs and 1 Seyfert, taken at multiple parallel slit positions centered on…
The LBT Panoramic View on the Recent Star-Formation Activity in IC2574
A. Pasquali, A. Leroy, H. -W. Rix +13
We present deep imaging of the star-forming dwarf galaxy IC2574 in the M81 group taken with the Large Binocular Telescope in order to study in detail the recent star-formation hist…