Optical positions of 22 radio stars measured by photoelectric astrolabe Mark-1 in Irkutsk

Astronomy and Astrophysics – Astronomy

Scientific paper

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Photoelectric Astrolabe, Radio Star Catalogue

Scientific paper

The observation of star position for catalogue compiling had been made in Irkutsk for 5 years with the Chinese photoelectric astrolabe Mark-1 according to the agreement of scientific cooperation between CSAO and VS NIITRI. This cooperation has taken the advantage of combination of the large zenith distance (45°) of almucantar for the astrolabe Mark-1 with the high latitude (52°) for Irkutsk, which could eliminate the blind zone existing in declination measurements for all the astrolabe catalogues. Based on the cooperation, a star catalogue containing positions of 817 stars had been completed; besides, the positions of 22 radio stars had been measured precisely in both right ascension and declination, which are given in this paper.

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