Dynamics and Physics of Bodies of the Solar System

Kinematics and Physics of Celestial Bodies

, Volume 24, Issue 6, pp 317-322

Observations of asteroid occultations by the trailed-image method

  • F. I. KravtsovAffiliated withAstronomical Observatory, Physical Faculty, Kiev National University
  • , I. V. LukyanikAffiliated withAstronomical Observatory, Physical Faculty, Kiev National University

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Abstract

The method of trailed CCD images for observations of asteroid occultations is described. This method was used to observe 9 asteroid occupations at the Lisnyky observational station in 2006 with the telescope AZT-8 (D= 0.7m and F= 2.8m) equipped by the CCD ST-8 XME. In the case of occultation of the star TYC 0587-00209-1U by the asteroid 76 Freia in November 4, 2006, the distance between the asteroid center and the star, as well as the time of asteroid occultation were determined. The size of asteroid 76 Freia is determined assuming that its shape is spherically symmetric. In other cases, the minimal distances between the asteroid center and the star are determined. The method makes it possible to observe asteroid occultations with high time resolution.