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Star formation in the central regions of galaxies
J. H. Knapen, E. L. Allard, L. M. Mazzuca +2
Massive star formation in the central regions of spiral galaxies plays an important role in the dynamical and secular evolution of their hosts. Here, we summarise a number of recen…
A composite HII region luminosity function in H alpha of unprecedented statistical weight
T. R. Bradley, J. H. Knapen, J. E. Beckman +1
Context. Statistical properties of HII region populations in disk galaxies yield important clues to the physics of massive star formation. Aims. We present a set of HII region cata…
Stars and Gas in the Inner Parts of Galaxies seen in SAURON Integral Field Observations
R. F. Peletier, K. Fathi, E. L. Allard +7
We give two examples of spiral galaxies that show non-circular gas motions in the inner kiloparsecs, from SAURON integral field spectroscopy. We use harmonic decomposition of the v…
Fourier Dissection of Early-Type Galaxy Bars
R. Buta, E. Laurikainen, H. Salo +2
This paper reports on a near-infrared survey of early-type galaxies designed to provide information on bar strengths, bulges, disks, and bar parameters in a statistically well-defi…
The Near-infrared S0 Survey III: Morphology of 15 Southern Early-type Disk Galaxies
E. Laurikainen, H. Salo, R. Buta +3
Structural analysis has been performed for a sample of 15 Southern early-type disk galaxies, mainly S0s, using high resolution -band images. The galaxies are mostly barred and…
Minor Merger Origin for the Circumnuclear Starburst in NGC 7742
L. M. Mazzuca, M. Sarzi, J. H. Knapen +2
We present an emission-line diagnostic analysis of integral-field spectroscopic observations that cover the central kiloparsec of NGC 7742. This Sa galaxy hosts a spectacular nucle…