Star formation in the nuclear region of M82 due to recurrent explosions of the nucleus

Details Star formation in the nuclear region of M82 due to recurrent explosions of the nucleus Star formation in the nuclear region of M82 due to recurrent explosions of the nucleus

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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