VLBI Phase-Referenced Observations on Southern Hemisphere HIPPARCOS Radio Start

J. C. Guirado; R. A. Preston; Davey L Jones; J. F. Lestrade; J. E. Reynolds; D. L. Jauncey; A. K. Tzioumis; R. H. Ferris; E. A. King; J. E. J. Lovell; P. M. McCulloch; K. J. Johnston; K. A. Kingham; Jim Martin; Graeme L. White; P. A. Jones

Abstract

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Presented are multiepoch Very Long Baseline Interferometry (VLBI) observations on Southern Hemisphere radio stars phase-referenced to background radio sources. The differential astrometry analysis results in high-precision determinations of proper motions and parallaxes. The astrophysical implications and astrometric consequences of these results are discussed.

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VLBI Phase-Referenced Observations on Southern Hemisphere HIPPARCOS Radio Start

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VLBI Phase-Referenced Observations on Southern Hemisphere HIPPARCOS Radio Start

Preliminary Link between the Hipparcos 37-Month Fast Solution and a VLBI Extragalactic Reference Frame

Preliminary Link between the Hipparcos 37-Month Fast Solution and a VLBI Extragalactic Reference Frame

FRB 20250316A: A Brilliant and Nearby One-Off Fast Radio Burst Localized to 13 parsec Precision

FRB 20250316A: A Brilliant and Nearby One-off Fast Radio Burst Localized to 13 pc Precision