Importance of the Hartebeesthoek Radio Astronomy Observatory for the VLBI network

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dc.contributor.author Mayer, D.
dc.contributor.author Bohm, J.
dc.contributor.author Combrinck, Ludwig
dc.contributor.author Botai, J.O. (Joel Ongego)
dc.contributor.author Bohm, S.
dc.date.accessioned 2014-12-01T11:30:40Z
dc.date.issued 2014-09
dc.description.abstract The Hartebeesthoek Radio Astronomy Observatory (HartRAO) is the only very long baseline interferometry (VLBI) station in Africa, its importance to the current and future network is discussed in the presented analysis. In order to quantify the contribution of the HartRAO station to VLBI products, different approaches (e.g. comparison of number of observations to sources, formal errors of EOP and baseline length repeatabilities) are analysed. Two datasets were used, CONT08 and IVS-R1 sessions from the years 2011 and 2012. The results suggest that the station is of high importance to the current and future global VLBI network. In particular, HartRAO is crucial for maintaining the ICRF on the Southern Hemisphere; it is also one of the most important stations for the estimation of polar motion and nutation (e.g. when HartRAO is excluded from different networks the formal error of nutation increases by about 50 %). The quality of the station coordinates of remote southern stations such as TIGOCONC is also heavily dependent on HartRAO. en_US
dc.description.embargo 2015-09-30
dc.description.sponsorship The Hartebeesthoek Radio Astronomy Observatory and the Vienna University of Technology and the Austrian Science Fund (FWF). en_US
dc.description.uri http://link.springer.com/journal/40328 en_US
dc.identifier.citation Mayer, D, Böhm, J, Combrinck, L, Botai, J & Böhm, S 2014, 'Importance of the Hartebeesthoek Radio Astronomy Observatory for the VLBI network', Acta Geodaetica et Geophysica, vol. 49, no. 3, pp. 313-325. en_US
dc.identifier.issn 2213-5812 (print)
dc.identifier.issn 2213-5820 (online)
dc.identifier.other 10.1007/s40328-014-0063-7
dc.identifier.uri http://hdl.handle.net/2263/42727
dc.language.iso en en_US
dc.publisher Springer en_US
dc.rights © Akadémiai Kiadó 2014. The original publication is available at : http://link.springer.com/journal/40328. en_US
dc.subject Hartebeesthoek Radio Astronomy Observatory (HartRAO) en_US
dc.subject Very long baseline interferometry (VLBI) en_US
dc.subject CONT08 en_US
dc.title Importance of the Hartebeesthoek Radio Astronomy Observatory for the VLBI network en_US
dc.type Postprint Article en_US


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