7.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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7 papers · 2 filters
Feeding of active galactic nuclei by dynamical perturbations
M. Tartėnas, K. Zubovas
There possibly was an AGN episode in the Galactic Centre about 6 Myr ago, powerful enough to produce the Fermi bubbles. We present numerical simulations of a possible scenario givi…
Deriving star cluster parameters with convolutional neural networks. II. Extinction and cluster/background classification
J. Bialopetravičius, D. Narbutis
Context. Convolutional neural networks (CNNs) have been established as the go-to method for fast object detection and classification on natural images. This opens the door for astr…
Star clusters in the dwarf irregular galaxy Leo A
Rima Stonkute, Rokas Naujalis, Marius Ceponis +2
Leo A is an isolated gas-rich dwarf irregular galaxy of low stellar mass and metallicity residing at the outskirts of the Local Group. Ages of the stellar populations in Leo A rang…
The Gaia-ESO survey: Calibrating a relationship between Age and the [C/N] abundance ratio with open clusters
G. Casali, L. Magrini, E. Tognelli +51
In the era of large high-resolution spectroscopic surveys, high-quality spectra can contribute to our understanding of the Galactic chemical evolution, providing chemical abundance…
The relation between supermassive black holes and their host galaxies
K. Zubovas, A. R. King
Supermassive black holes (SMBHs) are found in the centres of most galaxies. Their masses, and hence their gravitational potentials, are negligible compared with those of the host g…
Young open cluster IC 4996 and its vicinity: multicolor photometry and Gaia DR2 astrometry
V. Straižys, R. P. Boyle, K. Milašius +9
The open cluster IC 4996 in Cygnus and its vicinity are investigated by applying a two-dimensional photometric classification of stars measured in the Vilnius seven-color photometr…
Warm absorbers: supermassive black hole feeding, and Compton-thick AGN
Kastytis Zubovas, Andrew King
Warm absorbers are found in many AGN and consist of clouds moving at moderate radial velocities, showing complex ionization structures and having moderate to large column densities…