Galactic disc tidal action and observability of the Oort cloud comets

Details Galactic disc tidal action and observability of the Oort cloud comets Galactic disc tidal action and observability of the Oort cloud comets

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...336.1065m&link_type=abstract

Astronomy and Astrophysics, v.336, p.1065-1071 (1998)

Astronomy and Astrophysics

Astrophysics

4

Celestial Mechanics, Stellar Dynamics, Comets: General

Scientific paper

We study qualitatively the effect of the galactic disk potential on the comets from the Oort cloud. The problem is examined in the Hamiltonian formalism. A simple pre-selection criterion for calculating the minimal heliocentric distance of the Oort cloud comets is found. We can use this criterion in a simulation to select a sub-population of potentially observable comets. The proposed criterion is very effective--it rejects about 90% of orbits randomly chosen from the initial population of comets.

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