H2020Индивидуална стипендия2021–2023

THESYS · The build-up and fate of self-gravitating systems in the Universe

„Хоризонт 2020“ — Действия „Мария Склодовска-Кюри“

Период: 2021-09-01 → 2023-12-21
Финансиране от ЕС: 196 708 €
Участници: 1
Схема: MSCA-IF

Линиите свързват координатора с партньорите.

Накратко на български

Динамичните модели на галактики и звездни клъстери помагат да се разбере как се формират структури като Млечния път. Анализът на тези данни позволява възстановяване на историята на звездообразуването и развитието на нашата галактика.

Този кратък обзор е генериран от изкуствен интелект

Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.

Резултати накратко

The build-up and fate of self-gravitating systems in the Universe

This MSCA action focuses on developing dynamical models to understand the large-scale evolution of disc galaxies and their stellar populations, as well as the dynamics of self-gravitating stellar structures like globular and nuclear star clusters on a parsec scale. This is timely because ongoing and upcoming surveys and instruments like Gaia, Gaia-ESO, APOGEE, GALAH, WEAVE, MOONS, 4MOST, LSST, ELT, and JWST are collecting and will continue gathering an unprecedented amount of information on the chemical composition, age, and phase-space distribution of stellar populations across various Galactic structures such as the Galactic Centre, globular clusters, their streams, and escapees. By combining expertise in dynamical modeling, Galactic dynamics, and stellar populations, this project aims to prepare for fully exploiting the upcoming data releases to reconstruct the dynamical and star formation history of the Milky Way, spanning from its halo to its central nuclear regions. The project's key objectives are 1) using the Galactic globular cluster system history to gain insights on the formation of our Galaxy; 2) understanding how the globular cluster population changed with time to uncover how this impacted the Galactic structures; 3) shedding light on the origin of nuclear star clusters and their links with globular clusters.

Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз

Цел на проекта

The unprecedented amount of photometric, spectroscopic, and astrometric data for billion stars provided by ongoing and future surveys and instruments (Gaia, APOGEE, WEAVE, MOONS, 4MOST, LSST, ELT, JWST) are allowing and will allow the detailed exploration of the Galactic history. These data will include kinematic and chemical information for stellar populations in all Galactic structures, such as the Galactic centre, globular clusters (GCs), their streams and escapees. Therefore, it is extremely timely to build a large library of models to exploit the data using star clusters as fossil records of past satellite accretion events. This motivates my work at GEPI, where I will link the large-scale dynamical evolution of Milky Way-like disc galaxies to that of their pc-scale elementary bricks as globular and nuclear star clusters (NSCs). By means of detailed N-body simulations, I will model the merger history of the Galaxy and follow the evolution of the GC system formed in the Milky Way and accreted from satellite galaxies. I will also make significant steps in advancing the understanding of NSCs, their formation and evolution and their link to the evolution of GCs and bulge/disc stellar populations. This project will greatly benefit from the knowledge and research done in the ""Equipe Physique Stellaire et Galactique” of the GEPI laboratory at the Paris Observatory. This group has leading experts in the field of Galactic dynamics and stellar populations, chemical abundances of individual GCs, and is also strongly involved in the Gaia mission, and follow-up surveys (WEAVE, MOONS). Therefore, this environment is ideally suited for me to conduct my research. At the same time, I will bring in my expertise on the dynamical evolution of dense stellar systems, along with my international collaborations. The training provided at GEPI and Paris Observatory will be crucial to strengthen my skills and my professional profile, opening significant career development opportunities.""

Оригинален текст от CORDIS (на английски).

Участници

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS · ParisКоординаторФранция