39 citations · 45 across the 2 of their papers we have counts for
3 papers
Multi-Wavelength Monitoring and Reverberation Mapping of a Changing Look Event in the Seyfert Galaxy NGC 3516
V. L. Oknyansky, M. S. Brotherton, S. S. Tsygankov +26
We present the results of photometric and spectroscopic monitoring campaigns of the changing look AGN NGC 3516 carried out in 2018 to 2020 covering the wavelength range from the X-…
Discovery of a hot ultramassive rapidly rotating DBA White Dwarf
M. S. Pshirkov, A. V. Dodin, A. A. Belinski +6
We report the discovery of a nearby massive white dwarf with He-H atmosphere. The white dwarf is located at a distance of pc. Its radius, mass, effective temperature,…
Differential Speckle Polarimetry of Betelgeuse in 2019-2020: the rise is different from the fall
Boris Safonov, Alexandr Dodin, Marina Burlak +6
Recently published episodic spectral (Levesque and Massey, 2020) and high angular resolution (Montarges et al, 2020) observations of Betelgeuse suggest that the deep minimum of 201…