On the Errors of the Ephemerides Derived from Optical Observations of Planets

Kharin, A. S.; Kolesnik, Y. B.

doi:10.1007/978-94-009-0613-6_70

Inertial Coordinate System on the Sky 1990

DOI: 10.1007/978-94-009-0613-6_70

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On the Errors of the Ephemerides Derived from Optical Observations of Planets

A. S. Kharin¹,

Y. B. Kolesnik

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1997

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“…The use of only one reference catalog (FK4) and only one (Newcomb's) ephemeris resulted in 0-C values of high homogeneity, and therefore rather simple methods have been used for the analysis of the data. During the second stage, a substantially larger volume of observational data obtained over a 30 year period has been analyzed (Kharin & Kolesnik 1989, Kharin et al 1996, Kolesnik 1995. Factors such as a transition to the new astronomical constants, the new reference catalog and more accurate ephemerides had to be taken into account and all the data had to be reduced to a homogeneous system.…”

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PLANETS, a Common MAO and INASAN Database

Kharin¹,

Kolesnik²

1997

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Abstract. The PLANETS database contains the data of astrometric optical observations of the Sun and seven major planets from Mercury to Neptune, performed with meridian instruments, astrographs and astrolabes from 1960 to the present. The database structure and some problems that were resolved during the first (1980)(1981)(1982)(1983)(1984)(1985) and second (1988-1995) stages of the 15-year database history are described. The discussion focuses on the present status and future scientific applications of the database. Key words: databases -astrometry: Sun, planets and satellitesIn the early sixties a worldwide campaign of intensive astrometric observations of the Sun and major planets, especially Mercury, Venus and Mars, was initiated. The principal campaign objectives, formulated by the IAU, were twofold: to refine the old Newcomb theory and to improve the orientation of the fundamental catalogs with respect to the dynamical reference frame. These observations continued until the early eighties when new modern numerical ephemerides were developed and more accurate analytical theories were constructed. Only six classical meridian instruments in Kislovodsk, Tashkent, Belgrade, Washington and Black Birch continue routine daytime visual observations of the Sun, Mercury and Venus. The outer planets are observed at night only with new automatic meridian circles at Bordeaux, La Palma and Tokyo.

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confidence: 99%

PLANETS, a Common MAO and INASAN Database

Kharin¹,

Kolesnik²

1997

Open Astronomy

Self Cite

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On the Errors of the Ephemerides Derived from Optical Observations of Planets

Cited by 1 publication

References 1 publication

PLANETS, a Common MAO and INASAN Database

PLANETS, a Common MAO and INASAN Database

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