Young stellar-gas complexes in the Galaxy

Details Young stellar-gas complexes in the Galaxy Young stellar-gas complexes in the Galaxy

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..817e&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, Sept. 1988, p. 817-829. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

14

Early Stars, H I Regions, Milky Way Galaxy, Molecular Clouds, O Stars, Astronomical Photometry, Star Clusters, Star Distribution, Star Formation

Scientific paper

It is found that about 90% of young clusters o-b2 and OB-associations situated within 3 kpc from the Sun are united into complexes with diameters from 150 to 700 pc. Almost all complexes contain giant molecular clouds with masses more than 105M_sun;. A number of complexes (mostly large ones)-are connected with giant H I clouds; a few of small complexes are situated in the H I-caverns. Older (>b2) cluster avoid the regions occupied by young star groups. Complexes often have an hierarchic structure; some neighbouring complexes may be united into supercomplexes with diameters about 1.5 kpc.

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