Publication

The Agora High-resolution Galaxy Simulations Comparison Project. Viii. Disk Formation and Evolution of Simulated Milky Way Mass Galaxy Progenitors at 1 < <i>z</i> < 5

Yves Revaz
2025

Abstract

We investigate how differences in the stellar feedback produce disks with different morphologies in Milky Way-like progenitors over 1

Official source

https://infoscience.epfl.ch/entities/publication/77923d75-838a-475f-887b-3f8557cff767

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Yves Revaz
2025

Abstract

We investigate how differences in the stellar feedback produce disks with different morphologies in Milky Way-like progenitors over 1

Official source

https://infoscience.epfl.ch/entities/publication/77923d75-838a-475f-887b-3f8557cff767

About this result

Related concepts (32)

Star

A star is an astronomical object comprising a luminous spheroid of plasma held together by self-gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light. The most prominent stars have been categorised into constellations and asterisms, and many of the brightest stars have proper names. Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations.

Stellar dynamics

Stellar dynamics is the branch of astrophysics which describes in a statistical way the collective motions of stars subject to their mutual gravity. The essential difference from celestial mechanics is that the number of body Typical galaxies have upwards of millions of macroscopic gravitating bodies and countless number of neutrinos and perhaps other dark microscopic bodies. Also each star contributes more or less equally to the total gravitational field, whereas in celestial mechanics the pull of a massive body dominates any satellite orbits.

Galaxy merger

Galaxy mergers can occur when two (or more) galaxies collide. They are the most violent type of galaxy interaction. The gravitational interactions between galaxies and the friction between the gas and dust have major effects on the galaxies involved. The exact effects of such mergers depend on a wide variety of parameters such as collision angles, speeds, and relative size/composition, and are currently an extremely active area of research. Galaxy mergers are important because the merger rate is a fundamental measurement of galaxy evolution.

Related publications (4)

The Agora High-resolution Galaxy Simulations Comparison Project. Viii. Disk Formation and Evolution of Simulated Milky Way Mass Galaxy Progenitors at 1 < <i>z</i> < 5

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How Is Cold, Star-forming Gas in Galaxies Affected by Magnetic Fields?

GA-NIFS and EIGER: A merging quasar host at z = 7 with an overmassive black hole

Euclid: Early Release Observations – Interplay between dwarf galaxies and their globular clusters in the Perseus galaxy cluster