Astronomy and Astrophysics – Astronomy
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nascp2466..219d&link_type=abstract
Star formation in galaxies, Proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16
Astronomy and Astrophysics
Astronomy
6
Barred Galaxies, Galactic Structure, Hubble Diagram, Morphology, Spatial Distribution, Star Formation, Stellar Luminosity, Far Infrared Radiation, Infrared Astronomy Satellite, Space Surveillance (Ground Based)
Scientific paper
Ground-based 10 micron observations of the central region of over 100 infrared luminous galaxies are presented. A first order estimate of the spatial distribution of infrared emission in galaxies is obtained through a combination of ground-based and Infrared Astronomy Satellite (IRAS) data. The galaxies are nearby and primarily noninteracting, permitting an unbiased investigation of correlations with Hubble type. Approximately 40% of the early-type barred galaxies in this sample are associated with enhanced luminosity in the central (approximately 1 kpc diameter) region. The underlying luminosity source is attributed to both Seyfert and star formation activity. Late-type spirals are different in that the spatial distribution of infrared emission and the infrared luminoisty are not strongly dependent on barred morphology.
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