Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ap%26ss.188..289b&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 188, no. 2, Feb. 1992, p. 289-298. Research supported by Israel Academy of
Astronomy and Astrophysics
Astrophysics
1
Galactic Structure, Star Formation, Stellar Color, Stellar Spectrophotometry, B Stars, H Alpha Line, H Ii Regions, O Stars, Radial Distribution
Scientific paper
The radial distribution of 1227 blue knots in the rectified planes of 32 galaxies is examined and shows that the method is equivalent to mapping the distribution of H II regions from narrow-band imaging in H alpha. The blue knots show less detail in their distribution, as compared with H II regions or with a parameter measuring the local efficiency of star formation. This is interpreted as showing the diffusion of OB stars out of the regions where they formed.
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