A study of the kinematics near WR-stars in the IC10 galaxy
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چکیده
Among the other dwarf galaxies with violent star formation IC10 galaxy stands out for anomalously high number of Wolf-Rayet (WR) stars. For instance, the number of WR-stars in IC10 is 20 times higher than that in LMC and spatial density of WR stars in IC10 reaches 11 WR stars per square kpc (Massey et al., 2002 [8], Massey et al., 2007 [7], Crowther et al., 2003 [4] and references in these papers). This is the highest density of WR stars among the dwarf galaxies, comparable to that of massive spiral galaxies. Provided the regular initial mass function (IMF), such high WR star density presumes almost “simultaneous” outbreak of modern star formation, sweeping most part of the galaxy.
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تاریخ انتشار 2009