Search Results - "Sotnikova, Natalia Ya"

Orbital Ingredients for Cooking X-structures in Edge-on Galaxies by Parul, Hanna D., Smirnov, Anton A., Sotnikova, Natalia Ya

“…X-structures are often observed in galaxies hosting the so-called B/PS (boxy/peanuts) bulges and are visible from the edge-on view. They are the most notable…”
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Is the late buckling stage inevitable in the bar life? by Smirnov, Anton A, Sotnikova, Natalia Ya

“…Abstract By means of self-consistent numerical simulations we investigated the dynamical impact of classical bulges on the growth of the secondary buckling of…”
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Barless flocculent galaxies: a dynamic puzzle by Zakharova, Daria, Sotnikova, Natalia Ya, Smirnov, Anton A, Savchenko, Sergey S

“…We draw attention to the bright galaxies that do not show a bar in their structure but have a flocculent spiral structure. Using the THINGS' and HERACLES'…”
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What determines the flatness of X-shaped structures in edge-on galaxies? by Smirnov, Anton A, Sotnikova, Natalia Ya

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First direct identification of the barlens vertical structure in galaxy models by Tikhonenko, Iliya S, Smirnov, Anton A, Sotnikova, Natalia Ya

“…A&A 648, L4 (2021) Applying spectral dynamics methods to one typical $N$-body model with a barlens, we dissect the modelled bar into separate components…”
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Face-on structure of barlenses and boxy bars: an insight from spectral dynamics by Smirnov, Anton A, Tikhonenko, Iliya, Sotnikova, Natalia Ya

“…MNRAS, Volume 502, Issue 4, April 2021, Pages 4689-4707 Based on the spectral analysis of individual orbits of stars from different $N$-body models, we show…”
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Is the late buckling stage inevitable in the bar life? by Smirnov, Anton A, Sotnikova, Natalia Ya

“…By means of self-consistent numerical simulations we investigated the dynamical impact of classical bulges on the growth of the secondary buckling of a bar…”
Get full text

What determines the flatness of X-shaped structures in edge-on galaxies by Smirnov, Anton A, Sotnikova, Natalia Ya

“…Recent observational studies of X-shaped structures revealed that values of their opening angles lie in a narrow range: from 20 deg to 43 deg with smaller…”
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Positive Lynden-Bell derivative as a ticket to the bar trap? by Zozulia, Viktor D, Smirnov, Anton A, Sotnikova, Natalia Ya

“…ABSTRACT We have translated the results of N-body simulations of one barred model into the language of action variables and frequencies. Using this language,…”
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Orbital ingredients for cooking X-structures in edge-on galaxies by Parul, Hanna D, Smirnov, Anton A, Sotnikova, Natalia Ya

“…X-structures are often observed in galaxies hosting the so-called B/PS (boxy/peanuts) bulges and are visible from the edge-on view. They are the most notable…”
Get full text

Face-on structure of barlenses and boxy bars: an insight from spectral dynamics by Smirnov, Anton A, Tikhonenko, Iliya S, Sotnikova, Natalia Ya

“…ABSTRACT Based on the spectral analysis of individual orbits of stars from different N-body models, we show that the face-on morphology of the so-called…”
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Barless flocculent galaxies: a dynamic puzzle by Zakharova, Daria, Sotnikova, Natalia Ya, Smirnov, Anton A., Savchenko, Sergey S.

“…ABSTRACT We draw attention to the bright galaxies that do not show a bar in their structure but have a flocculent spiral structure. Using the THINGS and…”
Get full text

Barless flocculent galaxies: a dynamic puzzle by Zakharova, Daria, Sotnikova, Natalia Ya, Smirnov, Anton A, Savchenko, Sergey S

“…ABSTRACT We draw attention to the bright galaxies that do not show a bar in their structure but have a flocculent spiral structure. Using the THINGS and…”
Get full text

B/PS bulges and barlenses from a kinematic viewpoint – II by Zakharova, Daria, Tikhonenko, Iliya S, Sotnikova, Natalia Ya, Smirnov, Anton A

“…ABSTRACT Internal dynamics and kinematics of galaxies have imprints on the line-of-sight velocity distribution (LOSVD). Gauss–Hermite parametrization allows…”
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B/PS bulges and barlenses from a kinematic viewpoint – I by Zakharova, Daria, Tikhonenko, Iliya S, Sotnikova, Natalia Ya, Smirnov, Anton A

“…ABSTRACT A significant part of barred disc galaxies exhibits boxy/peanut-shaped structures (B/PS bulges) at high inclinations. Another structure also…”
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Large-scale nested stellar discs in NGC 7217 by Sil'chenko, Olga K., Chilingarian, Igor V., Sotnikova, Natalia Ya, Afanasiev, Victor L.

“…NGC 7217 is an unbarred early-type spiral galaxy having a multisegment exponential light profile and a system of star-forming rings of the unknown origin; it…”
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Positive Lynden-Bell derivative as a ticket to the bar trap? by Zozulia, Viktor D, Smirnov, Anton A, Sotnikova, Natalia Ya

“…We have translated the results of $N$-body simulations of one barred model into the language of action variables and frequencies. Using this language, we…”
Get full text

B/PS bulges and barlenses from a kinematic viewpoint. II by Zakharova, Daria, Tikhonenko, Iliya S, Sotnikova, Natalia Ya, Smirnov, A

“…Internal dynamics and kinematics of galaxies have imprints on the line-of-sight velocity distribution~(LOSVD). Gauss-Hermite parametrisation allows one to…”
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Boxy/peanut shaping of a mature galactic bar in action-angle space by Zozulia, Viktor D, Smirnov, Anton A, Sotnikova, Natalia Ya, Marchuk, Alexander A

“…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…”
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B/PS bulges and barlenses from a kinematic viewpoint. I by Zakharova, Daria, Tikhonenko, Iliya S, Sotnikova, Natalia Ya, Smirnov, Anton A

“…A significant part of barred disc galaxies exhibits boxy/peanut-shaped structures (B/PS bulges) at high inclinations. Another structure also associated with…”
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