1992•Astronomy & Astrophysics Supplement SeriesRequires access
Astrometric observations of radio stars alpha Scorpii A and 9 Sagittarii.
F. Noël, Suzanne Débarbat
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Abstract
Right ascension for α Scorpii A and right ascension and declination for 9 Sagittarii obtained with the astrolabe of Santiago are given in the FK5 system. The average precision is 0.07″ in right ascension and 0.15″ in declination. Other results are given for these radio stars for comparison. Some remarks are made on the declination of 9 Sgr as obtained with the astrolabe