105 datasets found

Keywords: very long baseline interferometry

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  • Implications of the Galactic aberration for CRF

    During the last few years, much attention has been paid to the astrometric implications of the galactic aberration in proper motions (GA). This effect causes systematic errors...

  • Scattering Properties of the Milky Way

    We used archival very long baseline interferometry (VLBI) data of active galactic nuclei (AGN) observed from 1.4GHz to 86GHz to measure the angular size of VLBI radio cores in...

  • The VLBA Galactic Plane Survey (VGaPS)

    We presents accurate absolute positions from a 24 GHz Very Long Baseline Array (VLBA) search for compact extragalactic sources in an area where the density of known calibrators...

  • Second epoch VLBA Calibrator Survey (VCS-II)

    Six very successful Very Long Baseline Array (VLBA) calibrator survey campaigns were run between 1994 and 2007 to build up a large list of compact radio sources with positions...

  • W49N H2O masers

    VLBI observations of a H2O maser were done at five epochs in 1980-82 with a 5 station VLBI network (see 1992ApJ...393..149G). A model was fitted to each peak in any spectral...
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