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20232026
most citedOptical variability of the blazar 3C 371: from minute to year timescales

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astro-ph.SR2023★ 4 cited

Optical spectroscopy of Be stars: peak separation of Balmer emission lines

R. K. Zamanov, K. A. Stoyanov, S. Y. Stefanov +2

The Be stars display variable optical emission lines originating in the circumstellar disc. Here we analyse high resolution spectroscopic observations of Be stars and the distance…