Dynamical equinox and analytical theory of the Sun View Full Text


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Article Info

DATE

1982-02

AUTHORS

G. A. Krasinsky, M. L. Sveshnikov

ABSTRACT

A concept of the dynamical equinox and its relation to the analytical form of the adopted theory of the Sun is discussed. Connection between the FK4 equinox and the dynamical equinox is determined by comparing two analytical theories of the Sun (the adopted Newcomb's theory and a new one (AT-1) constructed at the Institute of Theoretical Astronomy) with solar meridian observations made at the U.S. Naval Observatory (1911–1971). Corrections Δα to the FK4 right ascensions, Δδ0 to declinations and Δε to the angle between the equator and the ecliptic are:Secular variations in Δα and Δε are negligible. Large secular variations of Δδ0 may be explained by improvement of observational conditions after the reconstruction of the telescope pavilion in the forties. More... »

PAGES

171-177

References to SciGraph publications

  • 1971-10. The excess secular change in the obliquity of the ecliptic and its relation to the internal motion of the Earth in CELESTIAL MECHANICS AND DYNAMICAL ASTRONOMY
  • 1979. The Ephemeris Reference Frame for Astrometry in TIME AND THE EARTH’S ROTATION
  • 1971-10. Determinations of precession in CELESTIAL MECHANICS AND DYNAMICAL ASTRONOMY
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf01230881

    DOI

    http://dx.doi.org/10.1007/bf01230881

    DIMENSIONS

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