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Use of the Long Baseline Array in Australia for Precise Geodesy and Absolute Astrometry

  • Leonid Petrov (a1), Chris Phillips (a2), Alessandra Bertarini (a3), Adam Deller (a4), Sergei Pogrebenko (a5) and Ari Mujunen (a6)...

Abstract

We report the results of a successful 12-hour 22-GHz VLBI experiment using a heterogeneous network that includes radio telescopes of the Long Baseline Array (LBA) in Australia and several VLBI stations that regularly observe in geodetic VLBI campaigns. We have determined positions of three VLBI stations, atca-104, ceduna and mopra, with an accuracy of 4–30 mm using a novel technique of data analysis. These stations have never before participated in geodetic experiments. We observed 105 radio sources, and amongst them 5 objects which have not previously been observed with VLBI. We have determined positions of these new sources with the accuracy of 2–5 mas. We make the conclusion that the LBA network is capable of conducting absolute astrometry VLBI surveys with an accuracy better than 5 mas.

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Copyright

Corresponding author

G Corresponding author. Email: Leonid.Petrov@lpetrov.net

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Keywords

Use of the Long Baseline Array in Australia for Precise Geodesy and Absolute Astrometry

  • Leonid Petrov (a1), Chris Phillips (a2), Alessandra Bertarini (a3), Adam Deller (a4), Sergei Pogrebenko (a5) and Ari Mujunen (a6)...

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