𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Encounters of the Sun with nearby stars in the past and future

✍ Scribed by A.A. Mülläri; V.V. Orlov

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
292 KB
Volume
72
Category
Article
ISSN
1573-0794

No coin nor oath required. For personal study only.

✦ Synopsis

The relative space motions of the Sun and nearby stars are considered. The coordinates and velocities of the stars are taken from the Catalogue of Nearby Stars by Gliese and Jahreiss (1991). Th e minimum space separat,ion between the Sun and every star as well as the corresponding moment of time are calculated by two ways. Firstly, the straight line motions are considered. Secondly, the effect of the Galaxy potential is taken into account. The Galaxy model proposed by Kutuzov and Ossipkov (1989) is used. Twenty five stars approaching the Sun closer than two parsecs are selected. The effects of the uncertainties in the observational data are studied. The influence of the encounters to the Oort cloud is discussed.

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