Intracluster extinction in young open star clusters

Details Intracluster extinction in young open star clusters Intracluster extinction in young open star clusters

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993basi...21..565s&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 21, no. 3-4, p. 565-568

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B Stars, Infrared Spectroscopy, Interstellar Extinction, Interstellar Matter, O Stars, Star Clusters, Visual Observation, Cosmic Dust, Data Correlation, Grain Size, Spectrum Analysis, Stellar Color

Scientific paper

An analysis of near-infrared data in combination with optical observations, indicates a normal interstellar extinction law around hot O and B stars at wavelengths greater than or = 0.9 micrometers. At shorter wavelengths, it can be either normal or anomalous depending upon the physical conditions of intracluster material. In some cases, anomaly is found to be due to a small shift in grain-size distribution towards smaller than normal sized particle, while in other regions, exactly opposite grain size distribution seems to be responsible for the anomaly.

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