Young Stellar Clusters in Nearby Spiral Galaxies

Details Young Stellar Clusters in Nearby Spiral Galaxies Young Stellar Clusters in Nearby Spiral Galaxies

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..390..113g&link_type=abstract

Pathways Through an Eclectic Universe ASP Conference Series, Vol. 390, proceedings of the conference held 23-27 April, 2007 at S

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Scientific paper

The detection and study of very young stellar clusters in disk galaxies are often disturbed by dust in their spiral arms. The K-band, with its low dust attenuation, offers a much better and unbiased view of such stellar clusters. We present the statistics of young clusters in a sample of 46 nearby spiral galaxies, with linear resolutions of better than 100 pc, for which deep K-band photometry is available. Many grand-design spirals (25% of the sample) show strong concentration of young stellar clusters in their arm regions. The clusters have absolute magnitudes MK up to -15.5m. Both the maximum absolute magnitude and the total number of clusters correlate with the total luminosity of the host galaxy and the relative amplitude of its two-armed spiral pattern.

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