Is the late buckling stage inevitable in the bar life?

Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

Выдержка

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. Overall we considered 14 models with different disc and bulge parameters. We obtained that a bulge with a quite modest mass B/D = 0.1 leads to completely symmetrical evolution of the bar almost independently of the initial stellar disc parameters and even can damp the first bending. At the same time, the bars in all our bulgeless models suffer from the short primary and prolonged secondary buckling. Given the smallness of the mass suppressing secondary buckling, we conclude that a classical bulge along with the gas central concentration may be the main culprits for the rarity of bars with ongoing buckling in the local Universe.
Язык оригиналаанглийский
Страницы (с-по)1900-1905
Число страниц6
ЖурналMonthly Notices of the Royal Astronomical Society
Том485
Номер выпуска2
DOI
СостояниеОпубликовано - 2019

Ключевые слова

  • galaxies: bulges, galaxies: evolution, galaxies: fundamental parameters, galaxies: general, galaxies: kinematics and dynamics, galaxies: structure

Предметные области Scopus

  • Физика и астрономия (все)

Цитировать

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title = "Is the late buckling stage inevitable in the bar life?",
abstract = "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. Overall we considered 14 models with different disc and bulge parameters. We obtained that a bulge with a quite modest mass B/D = 0.1 leads to completely symmetrical evolution of the bar almost independently of the initial stellar disc parameters and even can damp the first bending. At the same time, the bars in all our bulgeless models suffer from the short primary and prolonged secondary buckling. Given the smallness of the mass suppressing secondary buckling, we conclude that a classical bulge along with the gas central concentration may be the main culprits for the rarity of bars with ongoing buckling in the local Universe.",
keywords = "galaxies: bulges, galaxies: evolution, galaxies: fundamental parameters, galaxies: general, galaxies: kinematics and dynamics, galaxies: structure",
author = "Сотникова, {Наталья Яковлевна} and Смирнов, {Антон Александрович}",
year = "2019",
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Is the late buckling stage inevitable in the bar life? / Сотникова, Наталья Яковлевна; Смирнов, Антон Александрович.

В: Monthly Notices of the Royal Astronomical Society, Том 485, № 2, 2019, стр. 1900-1905.

Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

TY - JOUR

T1 - Is the late buckling stage inevitable in the bar life?

AU - Сотникова, Наталья Яковлевна

AU - Смирнов, Антон Александрович

PY - 2019

Y1 - 2019

N2 - 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. Overall we considered 14 models with different disc and bulge parameters. We obtained that a bulge with a quite modest mass B/D = 0.1 leads to completely symmetrical evolution of the bar almost independently of the initial stellar disc parameters and even can damp the first bending. At the same time, the bars in all our bulgeless models suffer from the short primary and prolonged secondary buckling. Given the smallness of the mass suppressing secondary buckling, we conclude that a classical bulge along with the gas central concentration may be the main culprits for the rarity of bars with ongoing buckling in the local Universe.

AB - 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. Overall we considered 14 models with different disc and bulge parameters. We obtained that a bulge with a quite modest mass B/D = 0.1 leads to completely symmetrical evolution of the bar almost independently of the initial stellar disc parameters and even can damp the first bending. At the same time, the bars in all our bulgeless models suffer from the short primary and prolonged secondary buckling. Given the smallness of the mass suppressing secondary buckling, we conclude that a classical bulge along with the gas central concentration may be the main culprits for the rarity of bars with ongoing buckling in the local Universe.

KW - galaxies: bulges, galaxies: evolution, galaxies: fundamental parameters, galaxies: general, galaxies: kinematics and dynamics, galaxies: structure

U2 - https://doi.org/10.1093/mnras/stz546

DO - https://doi.org/10.1093/mnras/stz546

M3 - Article

VL - 485

SP - 1900

EP - 1905

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 2

ER -