... This distribution can stem from the fact that the star formation is more intense in the portions of the trailing spiral arms where they cross the crest of the leading wave. ...
... well-known compact star-forming region ON2 (G75.8+0.4) and the star WR 142 (r ~ 0.9 ... STARS IN CYGNUS-ARM ASSOCIATIONS Figure 3 also shows the line-of-sight velocities ...
... stars; Drimmel and Spergel (2001) found a scale length of 0.28R0 by analyzing COBE ... stars is to compare the first derivatives of angular velocity inferred from line-of ...
... stars in the adopted frame, then we can divide their orbital ellipses into ascending ... of the kinematics of young stars in regions of intense star formation yields an ... star-forming complexes In this section we will use data from the catalogue by ...
... The union of OB-associations into regions of intense star formation. (b) The average velocities VR and V of OB-associations in the regions of intense star formation. ...
... SIM and Gaia will determine distances to stars and cosmological objects as well as ... accuracy, while Gaia will obtain astrometric measurements of a large number of stars ...
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Ссылки http://lnfm1.sai.msu.ru/grav/russian/life/chteniya/sagi2007/paper-2006.pdf -- 98.1 Кб -- 25.01.2007 Похожие документы