Confor Program: Determination of Relative Orientation Parameters between VLBI and FK5 Reference Frames

Kumkova, I. I.; Tel'Nyuk-Adamchuk, V. V.; Babenko, Yu. G.; Vertypolokh, O.

doi:10.1007/978-94-011-0069-4_88

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Optical -Radio Source Frame-ties1

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“…"020], is still being modified by later studies, now using 50 sources (Johnston 1994). A similar study is reported by Kumkova et al(1994). The eventual uncertainty of these frame-ties, however, will probably not improve much below the quoted value of 0.…”

Section: Optical -Radio Source Frame-tiesmentioning

confidence: 79%

The Dynamical Reference Frame

Standish

1995

Symp. - Int. Astron. Union

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Planetary and lunar ephemerides continue to improve in accuracy as they continue to be adjusted to newer and more accurate observational data. An additional improvement will be that of the orientation of the ephemerides; in the future, the ephemerides produced at JPL will be based upon the reference frame of the radio source catalogues. Recent planetary observations have been made directly with respect to the radio reference frame, and these observations have shown a satisfying degree of absolute accuracy and internal consistency; they enable the automatic orientation of the ephemerides onto the radio reference system during the ephemeris adjustment process.

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Section: Optical -Radio Source Frame-tiesmentioning

confidence: 79%