Improving the terrestrial and celestial reference frames

Details Improving the terrestrial and celestial reference frames Improving the terrestrial and celestial reference frames

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atnf.prop..517t&link_type=abstract

ATNF proposal P483, Semester: October, 2006

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Extragalactic, Parkes

Scientific paper

This proposal has three parallel objectives; - to improve the terrestrial reference frame in Australia via additional geodetic VLBI observations, - to use these additional observations to improve the quality and reliability of the positions of the celestial reference frame sources, and - to determine the astrometric positional stability of the known southern scintillators. We ask for close co-ordination between the Parkes IVS/Goddard Space Flight Center schedulers in order to efficiently merge the Parkes observations with the IVS international schedule. We ask for two 24 hour co-ordinated geodetic/astrometric VLBI sessions during the OCTS2006 term for Parkes. Parkes adds significantly to the strength of both the terrestrial and celestial solutions. Parkes is the only ATNF telescope equipped with the concentric 2.3/8.4 GHz receivers, and apart from Hobart the only other available telescope in Australia; its large aperture provides high SNR observations which translate into improved presision.

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