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On the Efficiency of the Tidal Stirring Mechanism for the Origin of Dwarf Spheroidals: Dependence on the Orbital and Structural Parameters of the Progenitor Disky Dwarfs
Stelios Kazantzidis, Ewa L. Lokas, Simone Callegari +2
(Abridged) The tidal stirring model posits the formation of dSph galaxies via the tidal interactions between rotationally-supported dwarfs and MW-sized host galaxies. Using a set o…
The inner structure and kinematics of the Sagittarius dwarf galaxy as a product of tidal stirring
Ewa L. Lokas, Stelios Kazantzidis, Steven R. Majewski +3
The tidal stirring model envisions the formation of dwarf spheroidal (dSph) galaxies in the Local Group via the tidal interaction of disky dwarf systems with a larger host galaxy l…
Mass profiles and galaxy orbits in nearby galaxy clusters from the analysis of the projected phase-space
Radoslaw Wojtak, Ewa L. Lokas
We analyze kinematic data of 41 nearby (z<0.1) relaxed galaxy clusters in terms of the projected phase-space density using a phenomenological, fully anisotropic model of the distri…