Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26as..110...47f&link_type=abstract
Astronomy and Astrophysics Supplement, v.110, p.47
Astronomy and Astrophysics
Astrophysics
Occultations, Reference Systems, Planets And Satellites, General, Ephemerides, Radio Continuum: Galaxies
Scientific paper
The planetary occultations of compact extragalactic radio sources in the period 1995.0-2050.0 (from Jan.1, 1995 to Jan.1, 2050) have been predicted by means of a completely programmable method. 726 strong compact sources with position uncertainties less than 0.3arcsec, which are selected from three catalogs, have been searched. Seventeen occultation events have been found. Eight of the events are suitable to occultation measurements (the occulted sources have correlated flux densities greater than 0.1Jy at 2.3 or 8.4GHz). The areas on the Earth's ellipsoid where the occultation is visible and observable, together with the useful information about the phenomena as seen at VLBI stations, have been accurately given for these eight events, respectively.
Fu Yan-Ning
Xia Yi-Fei
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