135 citations · 536 across the 55 of their papers we have counts for
Showing 2019Show all
3 papers · 1 filter
astro-ph.SR2019
High-resolution optical spectroscopy of Nova V392 Per
K. A. Stoyanov, T. Tomov, I. Stateva +1
Here we analyze high-resolution spectra of the Nova V392 Per obtained during the 2018 outburst. The H and H emission lines show a triple-peak structure with radial velocities…
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)…