Search Results - "Lokas, Ewa L"

Tidally induced bars in Illustris galaxies by Peschken, Nicolas, Łokas, Ewa L

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Disc galaxies formed from major mergers in Illustris by Peschken, Nicolas, Łokas, Ewa L, Athanassoula, E

“…ABSTRACT We show how wet major mergers can create disc galaxies in a cosmological context, using the Illustris simulation. We select a sample of 38 disc…”
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Galaxies with Prolate Rotation in Illustris by Ebrová, Ivana, okas, Ewa L.

“…Tens of early-type galaxies have been recently reported to possess prolate rotation of the stellar component, i.e., a significant amount of rotation around the…”
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The mass and velocity anisotropy of the Carina, Fornax, Sculptor and Sextans dwarf spheroidal galaxies by Lokas, Ewa L

“…We model the large kinematic data sets for the four Milky Way dwarf spheroidal (dSph) satellites: Carina, Fornax, Sculptor and Sextans, recently published by…”
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Revealing the Structure and Internal Rotation of the Sagittarius Dwarf Spheroidal Galaxy with Gaia and Machine Learning by del Pino, Andrés, Fardal, Mark A., van der Marel, Roeland P., Łokas, Ewa L., Mateu, Cecilia, Sohn, Sangmo Tony

“…Abstract We present a detailed study of the internal structure and kinematics of the core of the Sagittarius dwarf spheroidal galaxy (Sgr). Using…”
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Tidally induced warps of spiral galaxies in IllustrisTNG by Semczuk, Marcin, Łokas, Ewa L, D’Onghia, Elena, Athanassoula, E, Debattista, Victor P, Hernquist, Lars

“…ABSTRACT Warps are common features in both stellar and gaseous discs of nearby spiral galaxies with the latter usually easier to detect. Several theories have…”
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The effect of non-sphericity on mass and anisotropy measurements in dSph galaxies with Schwarzschild method by Kowalczyk, Klaudia, Łokas, Ewa L, Valluri, Monica

“…Abstract In our previous work we confirmed the reliability of the spherically symmetric Schwarzschild orbit-superposition method to recover the mass and…”
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THE ORIGIN OF PROLATE ROTATION IN DWARF SPHEROIDAL GALAXIES FORMED BY MERGERS OF DISKY DWARFS by Ebrová, Ivana, okas, Ewa L.

“…ABSTRACT Motivated by the discovery of prolate rotation of stars in Andromeda II (And II), a dwarf spheroidal companion of M31, we study its origin via mergers…”
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Tidally Induced Bars in Gas-rich Dwarf Galaxies Orbiting the Milky Way by Gajda, Grzegorz, okas, Ewa L., Athanassoula, E.

“…Bars in galaxies may form not only through instability but also as a result of an interaction with another galaxy. In particular, they may appear in disky…”
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THE ORBITAL STRUCTURE OF A TIDALLY INDUCED BAR by Gajda, Grzegorz, okas, Ewa L., Athanassoula, E.

“…ABSTRACT Orbits are the key building blocks of any density distribution, and their study helps us understand the kinematical structure and the evolution of…”
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Internal kinematics of dwarf satellites of MW/M31-like galaxies in TNG50 by Martínez-García, Alberto Manuel, del Pino, Andrés, Łokas, Ewa L, van der Marel, Roeland P, Aparicio, Antonio

“…ABSTRACT We present a kinematic study of a thousand of dwarf satellites of MW/M31-like hosts from the IllustrisTNG50 simulation. Internal kinematics were…”
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Rotating stellar populations in the Fornax dSph galaxy by delPino, Andres, Aparicio, Antonio, Hidalgo, Sebastian L, Lokas, Ewa L

“…We present a novel analysis of the internal kinematics of the Fornax dwarf spheroidal galaxy. Our results are based on the largest sample of spectroscopic data…”
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THE RESONANT NATURE OF TIDAL STIRRING OF DISKY DWARF GALAXIES ORBITING THE MILKY WAY by okas, Ewa L., Semczuk, Marcin, Gajda, Grzegorz, D'Onghia, Elena

“…ABSTRACT Using N-body simulations we study the tidal evolution of initially disky dwarf galaxies orbiting a Milky Way-like host, a process known to lead to the…”
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Tidally Induced Morphology of M33 in Hydrodynamical Simulations of Its Recent Interaction with M31 by Semczuk, Marcin, okas, Ewa L., Salomon, Jean-Baptiste, Athanassoula, E., D'Onghia, Elena

“…We present a hydrodynamical model of M33 and its recent interaction with M31. This scenario was previously proposed in the literature in order to explain the…”
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TIDAL ORIGIN OF SPIRAL ARMS IN GALAXIES ORBITING A CLUSTER by Semczuk, Marcin, okas, Ewa L., Pino, Andrés del

“…ABSTRACT One of the scenarios for the formation of grand-design spiral arms in disky galaxies involves their interactions with a satellite or another galaxy…”
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Can we measure the slopes of density profiles in dwarf spheroidal galaxies? by Kowalczyk, Klaudia, okas, Ewa L., Kazantzidis, Stelios, Mayer, Lucio

“…Using collisionless N-body simulations of dwarf galaxies orbiting the Milky Way, we construct realistic models of dwarf spheroidal (dSph) galaxies of the Local…”
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Formation of Andromeda II via a gas-rich major merger and an interaction with M31 by Fouquet, Sylvain, Lokas, Ewa L, delPino, Andres, Ebrova, Ivana

“…Andromeda II (And II) has been known for a few decades but only recently observations have unveiled new properties of this dwarf spheroidal galaxy. The…”
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TIDALLY INDUCED BARS OF GALAXIES IN CLUSTERS by okas, Ewa L., Ebrová, Ivana, Pino, Andrés del, Sybilska, Agnieszka, Athanassoula, E., Semczuk, Marcin, Gajda, Grzegorz, Fouquet, Sylvain

“…ABSTRACT Using N-body simulations, we study the formation and evolution of tidally induced bars in disky galaxies in clusters. Our progenitor is a massive,…”
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The Inner Structure and Kinematics of the Sagittarius Dwarf Galaxy as a Product of Tidal Stirring by Łokas, Ewa L, Kazantzidis, Stelios, Majewski, Steven R, Law, David R, Mayer, Lucio, Frinchaboy, Peter M

“…The tidal stirring model envisions the formation of dwarf spheroidal (dSph) galaxies in the Local Group and similar environments via the tidal interaction of…”
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ON THE TIDAL RADIUS OF SATELLITES ON PROGRADE AND RETROGRADE ORBITS by Gajda, Grzegorz, okas, Ewa L.

“…ABSTRACT A tidal radius is the distance from a satellite orbiting in a host potential beyond which its material is stripped by the tidal force. We derive a…”
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