Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64.1094a&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Sept.-Oct. 1987, p. 1094-1104. In Russian.
Astronomy and Astrophysics
Astronomy
1
Comets, Milky Way Galaxy, Orbit Calculation, Orbit Perturbation, Perturbation Theory, Molecular Clouds, Stellar Mass, Time Dependence, Velocity Distribution, Comets, Motion, Long-Period Comets, Perturbations, Parameters, Mass, Velocity, Orbits, Evolution, Comparisons, Calculations
Scientific paper
More accurate estimates are obtained for the perturbing influence of the irregular forces of the Galaxy on the motion of long-period comets; it is assumed that stellar masses and randomly directed stellar velocities are equal in magnitude. It is shown that the cumulative effect perturbs the cometary orbits more intensely than do single close encounters with stars and giant interstellar clouds. A comparison of the roles played by regular and irregular forces indicates that both types of perturbations should be taken into account in the study of the evolution of cometary orbits.
Antonov Vadim A.
Todria Z. P.
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