The AUSTRAL VLBI Observing Program

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aut.researcherWeston, Stuart
dc.contributor.authorWeston, Sen_NZ
dc.contributor.authorPlank, Len_NZ
dc.contributor.authorLovell, Jen_NZ
dc.contributor.authorMcCallum, Jen_NZ
dc.contributor.authorMayer, Den_NZ
dc.contributor.authorReynolds, Cen_NZ
dc.contributor.authorQuick, Jen_NZ
dc.contributor.authorWeston, Sen_NZ
dc.contributor.authorTitov, Oen_NZ
dc.contributor.authorShabala, Sen_NZ
dc.contributor.authorBohm, Jen_NZ
dc.contributor.authorNatusch, Ten_NZ
dc.contributor.authorNickola, Men_NZ
dc.contributor.authorGulyaev, Sen_NZ
dc.date.accessioned2017-03-08T02:57:24Z
dc.date.available2017-03-08T02:57:24Z
dc.date.copyright2016-05-31en_NZ
dc.date.issued2016-05-31en_NZ
dc.description.abstractThe AUSTRAL observing program was started in 2011, performing geodetic and astrometric very long baseline interferometry (VLBI) sessions using the new Australian AuScope VLBI antennas at Hobart, Katherine, and Yarragadee, with contribution from the Warkworth (New Zealand) 12 m and Hartebeesthoek (South Africa) 15 m antennas to make a southern hemisphere array of telescopes with similar design and capability. Designed in the style of the next-generation VLBI system, these small and fast antennas allow for a new way of observing, comprising higher data rates and more observations than the standard observing sessions coordinated by the International VLBI Service for Geodesy and Astrometry (IVS). In this contribution, the continuous development of the AUSTRAL sessions is described, leading to an improvement of the results in terms of baseline length repeatabilities by a factor of two since the start of this program. The focus is on the scheduling strategy and increased number of observations, aspects of automated operation, and data logistics, as well as results of the 151 AUSTRAL sessions performed so far. The high number of the AUSTRAL sessions makes them an important contributor to VLBI end-products, such as the terrestrial and celestial reference frames and Earth orientation parameters. We compare AUSTRAL results with other IVS sessions and discuss their suitability for the determination of baselines, station coordinates, source coordinates, and Earth orientation parameters.
dc.identifier.citationJournal of Geodesy, 1-15. doi: 10.1007/s00190-016-0949-yen_NZ
dc.identifier.doi10.1007/s00190-016-0949-y
dc.identifier.urihttps://hdl.handle.net/10292/10372
dc.publisherSpringer Journalsen_NZ
dc.rightsThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectGeodesy; Very long baseline interferometry (VLBI); Celestial reference frame (CRF); Terrestrial reference frame (TRF); AUSTRAL
dc.titleThe AUSTRAL VLBI Observing Programen_NZ
dc.typeJournal Article
pubs.elements-id204912
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Design & Creative Technologies
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