activity
20232026
most citedPhase-space distortion as a key to unraveling galactic bar buckling

2 citations · 3 across the 5 of their papers we have counts for

collaborators

5 papers

astro-ph.GA2026★ 1 cited

Boxy/Peanut Bulges: Comparative Analysis of EGIPS Galaxies and TNG50 Models

Anton Smirnov, Alexander Marchuk, Viktor Zozulia +2

We investigated the properties of boxy/peanut-shaped (B/PS) bulges in a sample of 71 galaxies from the Edge-on Galaxies in the Pan-STARRS Survey (EGIPS) and 20 simulated galaxies f…

astro-ph.GA2025★ 2 cited

Phase-space distortion as a key to unraveling galactic bar buckling

Viktor D. Zozulia, Natalia Ya. Sotnikova, Anton A. Smirnov

For the first time, we investigate the resonant structure of -body galactic bar at the stage of buckling using action-angle variables. We studied the evolution of vertical actio…

astro-ph.GA2024

Boxy/peanut shaping of a mature galactic bar in action-angle space

Viktor D. Zozulia, Anton A. Smirnov, Natalia Ya. Sotnikova +1

We study vertical resonant trapping and resonant heating of orbits. These two processes both lead to the growth of a boxy/peanut-shaped bulge in a typical -body model. For the f…

astro-ph.GA2024

Positive Lynden-Bell derivative as a ticket to the bar trap?

Viktor D. Zozulia, Anton A. Smirnov, Natalia Ya. Sotnikova

We have translated the results of -body simulations of one barred model into the language of action variables and frequencies. Using this language, we analysed the behaviour of…

astro-ph.GA2023

B/PS bulges and barlenses from a kinematic viewpoint. II

Daria Zakharova, Iliya S. Tikhonenko, Natalia Ya. Sotnikova +1

Internal dynamics and kinematics of galaxies have imprints on the line-of-sight velocity distribution~(LOSVD). Gauss-Hermite parametrisation allows one to identify the kinematics f…