149 citations · 990 across the 64 of their papers we have counts for
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astro-ph.SR2019★ 2 cited
An eccentric wave in the circumstellar disc of the Be/X-ray binary X Persei
R. K. Zamanov, K. A. Stoyanov, U. Wolter +7
We present spectroscopic observations of the Be/X-ray binary X Per obtained during the period December 2017 - January 2020 (MJD~58095 - MJD~58865). In December 2017 the , ,…
astro-ph.SR2019★ 2 cited
Colours of the flickering source of Mira
R. Zamanov, S. Boeva, B. Spassov +3
We report photometric observations in Johnson UBV bands of the short term variability of Mira. The amplitude detected is 0.16 mag in B band. Adopting interstellar extinction E(B-V)…