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High-Resolution Spectroscopy of the B[e] Star MWC 645
Miroshnichenko, A. S.; Manset, N.; Zharikov, S. V. +4 more
Optical high-resolution spectroscopic observations of the emission-line star MWC645 are presented. The spectrum exhibits strong variable double-peaked Balmer emission lines as well as low-excitation emission lines of FeII, [FeII], and [OI] which are signatures of the B[e] phenomenon, while lines of helium have not been found. In addition to the em…
Early Kyiv Observations of Asteroids: Analysis and New Reduction with Tycho-2 and Gaia Catalogs
Shatokhina, S. V.; Kazantseva, L. V.
For more than 50 years, the continuous photographic observations of asteroids have been carried outwith telescopes of the Astronomical Observatory of the Taras Shevchenko National University of Kyiv and the Main Astronomical Observatory of the National Academy of Sciences of Ukraine. About 3,000 photographic plates were obtained, some of which wer…