1.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Academy of Sciences of UkraineUA148 papers
- V. N. Karazin Kharkiv National UniversityUA83 papers
- Jilin UniversityCN46 papers
- Centre National de la Recherche ScientifiqueFR27 papers
- Observatoire de ParisFR22 papers
- State Key Laboratory on Integrated OptoelectronicsCN22 papers
- O.Ya. Usikov Institute for Radiophysics and ElectronicsUA20 papers
- Space Research InstituteRU20 papers
- Austrian Academy of SciencesAT18 papers
- Laboratoire d’études spatiales et d’instrumentation en astrophysiqueFR18 papers
- Bar-Ilan UniversityIL15 papers
- Technion – Israel Institute of TechnologyIL14 papers
12 papers · 1 filter
Super-Eddington accretion in the Q2237+0305 quasar?
L. A. Berdina, V. S. Tsvetkova, V. M. Shulga
The interband time lags between the flux variations of the Q2237+0305 quasar have been determined from light curves in the Johnson-Cousins V, R, and I spectral bands. The values of…
Solar Type U Burst Associated with a High Coronal Loop
V. V. Dorovskyy, V. N. Melnik, A. A. Konovalenko +2
An inverted U burst with equally developed ascending and descending branches observed by Giant Ukrainian Radio Telescope (GURT) on 18 April 2017 in meter wavelengths band is discus…
Properties of Type III and Type IIIb Bursts in the Frequency Band of 8-80 MHz during PSP Perihelion at the Beginning of April 2019
V. N. Melnik, A. I. Brazhenko, A. A. Konovalenko +4
Properties of type III and type IIIb bursts in the frequency band of 8-80 MHz observed by the radio telescopes Ukrainian Radio Interferometer of NASU-2 (URAN-2) (Poltava) and Giant…
Radio signature of a distant behind-the-limb CME on 2017 September 6
V. N. Melnik, H. O. Rucker, A. I. Brazhenko +5
We discuss properties of a Type IV burst, which was observed on 2017 September 6, as a result of the powerful flare X 9.3. At decameter wavelengths this burst was observed by the r…
Discovery of two Einstein crosses from massive post--blue nugget galaxies at z>1 in KiDS
N. R. Napolitano, R. Li, C. Spiniello +18
We report the discovery of two Einstein Crosses (ECs) in the footprint of the Kilo-Degree Survey (KiDS): KIDS J232940-340922 and KIDS J122456+005048. Using integral field spectrosc…
Pulsars with NenuFAR: backend and pipelines
L. Bondonneau, J. -M. Grießmeier, G. Theureau +27
NenuFAR (New extension in Nançay upgrading LoFAR) is a new radio telescope developed and built on the site of the Nançay Radio Observatory. It is designed to observe the largely un…
Circumnuclear regions of different BPT types in star-forming MaNGA galaxies: AGN detectability
L. S. Pilyugin, E. K. Grebel, I. A. Zinchenko +3
We consider the circumnuclear regions of MaNGA galaxies. The spectra are classified as AGN-like, HII-region-like (or SF-like), and intermediate (INT) spectra according to their pos…
A new class of discontinuous solar wind solutions
Bidzina M. Shergelashvili, Velentin N. Melnik, Grigol Dididze +6
A new class of one-dimensional solar wind models is developed within the general polytropic, single-fluid hydrodynamic framework. The particular case of quasi-adiabatic radial expa…
Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media
Vladimir R. Tuz, Volodymyr I. Fesenko
Magnetically induced topological transitions of isofrequency surfaces of bulk waves propagating through an unbounded biaxial gyrotropic medium are studied. The medium is constructe…
Effect of peculiar velocities on the gravitational potential in cosmological models with perfect fluids
Alvina Burgazli, Valerii Shulga, A. Emrah Yükselci +1
We consider a universe filled with perfect fluid with the constant equation of state parameter . In the theory of scalar perturbations, we study the effect of peculiar velocitie…
Liverpool-Maidanak monitoring of the Einstein Cross in 20062019. I. Light curves in the optical bands and microlensing signatures
L. J. Goicoechea, B. P. Artamonov, V. N. Shalyapin +8
Quasar microlensing offers a unique opportunity to resolve tiny sources in distant active galactic nuclei and study compact object populations in lensing galaxies. We therefore sea…
Bonding and antibonding modes in metal-dielectric-metal plasmonic antennas for dual-band applications
Kateryna L. Domina, Vyacheslav V. Khardikov, Vitaliy Goryashko +1
Resonant optical antennas supporting plasmon polaritons (SPPs) - collective excitations of electrons coupled to electromagnetic fields in a medium - are relevant to sensing, photov…