Circumnuclear dust in galaxies (Martini+, 2003)

Details Circumnuclear dust in galaxies (Martini+, 2003) Circumnuclear dust in galaxies (Martini+, 2003)

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..21460353m&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/146/353. Originally published in: 2003ApJS..146..353M

Physics

Galaxies: Nearby, Active Gal. Nuclei, Interstellar Medium, Extinction, Morphology, Radial Velocities

Scientific paper

The detailed morphology of the interstellar medium (ISM) in the central kiloparsec of galaxies is controlled by pressure and gravitation. The combination of these forces shapes both circumnuclear star formation and the growth of the central, supermassive black hole. We present visible and near-infrared Hubble Space Telescope images and color maps of 123 nearby galaxies that show the distribution of the cold ISM, as traced by dust, with excellent spatial resolution. These observations reveal that nuclear dust spirals are found in the majority of active and inactive galaxies and they possess a wide range in coherence, symmetry, and pitch angle. We have used this large sample to develop a classification system for circumnuclear dust structures.
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