Milliarcsecond Scale Variability of a Sample of Southern Active Galactic Nuclei

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IX EVN Symposium_078.pdf (235.58 KB)

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https://pos.sissa.it/072/078/pdf

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http://hdl.handle.net/11603/18228

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UMBC Physics Department
UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)

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Date

2008-09-23

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conference papers and proceedings
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Hungwe, Faith; Ojha, Roopesh; Booth, Roy; Bietenholz, Michael; Fey, Alan; Collioud, Arnoud; Charlot, Patrick; Milliarcsecond Scale Variability of a Sample of Southern Active Galactic Nuclei; The 9th European VLBI Network Symposium on The role of VLBI in the Golden Age for Radio Astronomy and EVN Users Meeting (2008); https://pos.sissa.it/072/078/pdf

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Abstract

We present the results of a variability study of Active Galactic Nuclei observed at milliarcsecond resolution using the technique of Very Long Baseline Interferometry. These AGN are currently used to define the ICRF (International Celestial Reference Frame) which is the most accurate reference frame in astronomy, astrometry and geodesy. Among other uses, our analysis will cast light on the suitability of these objects as calibrators for MeerKAT, the South African SKA demonstrator.