Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..77..235s&link_type=abstract
Astrophysics and Space Science, vol. 77, no. 1, June 1981, p. 235-242.
Astronomy and Astrophysics
Astrophysics
2
Astrophysics, Galactic Nuclei, Protostars, Star Formation, Explosions, Kinematics, O Stars, Red Giant Stars, Supernovae
Scientific paper
The difference of spatial distributions between the O-type stars, supernovae and red giant stars found by Rieke et al. (1980) in the nuclear region of M82 can be interpreted if the star formation has been triggered by shock waves expanding from the nucleus with velocities of about 100 km/s at about 300 pc from the center and if the explosions have recurrently occurred with time interval of about 2 x 10 to the 6th yr. The recurrent formation of such giant compressed gas layer makes the formation rate of massive stars efficient.
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