All-Moscow Seminar of Astrophysicists
(ASA)
The seminar is supported by the grant of Federal Programm "Integration"
annotation of talk
Popov S.B., Prokhorov M.E., Lipunov V.M. (SAI)
Initial mass finction and close binaries evolution after star formation burst
We use "Scenario Machine"
to calculate evolution of populations of several
types of X-ray sources during the first 20 Myrs after a starformation burst.
We examined the evolution
of 12 types of X-ray sources in close binary systems (both with neutron
stars and with black holes) for different parameters of the IMF -- slopes:
alpha=1, 1.35 and 2.35 and
upper mass limits, Mup: 120MO, 60MO
and 40MO. Results, especially for sources with black holes, are
very sensitive to variations of the IMF, and it should be taken into account
when fitting parameters of starformation bursts.
Results are applied to several regions of recent starformation in
different galaxies.