Astronomy and Astrophysics – Astronomy
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19..175d&link_type=abstract
Astronomy Letters, Vol. 19, p. 175-179; Pis'ma v Astronomicheskij Zhurnal (ISSN 0320-0108), vol. 19, no. 5, p. 450-460. In Russ
Astronomy and Astrophysics
Astronomy
Interstellar Gas, Milky Way Galaxy, Open Clusters, Stellar Mass Ejection, Stellar Envelopes, Stellar Evolution, Tides
Scientific paper
The study presents estimates of the tidal radius of an open star cluster (OSC) located at the center of a nonstationary gas-star complex (GSC) that moves on a circular orbit in the Galactic field. Analytical solutions are obtained for estimating the largest sizes of a tidally stable OSC during the period of gas and dust mass loss from the central OSC region. Tidal sizes of such OSCs prior to the pulsed and slow GSC mass loss from the central region of the complex are less by factors of 1.37-2.62 and 1.19-1.77, respectively, than those of clusters affected by the Galaxy field alone.
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