Garcia Palau, Carles (Date of defense: 2022-05-12)
In this thesis we have presented a new method to search for tidal streams generated by globular clusters in the Gaia catalogue. This statistical method is based on the maximum likelihood technique to ...
Ramos, Pau (Date of defense: 2020-09-25)
The Gaia mission and its extensive catalogue of stars has marked the beginning of the Golden Age of Galactic dynamics. We have now access to the kinematics of more than a billion stars with ...
Rosich Salgado, Albert (Date of defense: 2022-02-24)
The current trend in exoplanet research focuses on the detection and characterisation of Earth-sized planets, and the study of their potential subtle and tenuous atmospheres. The aim of this thesis is ...
Valcin, David (Date of defense: 2021-09-28)
CONTEXT: The current ΛCDM cosmological paradigm has seen remarkable success in recent decades (whether it is the discovery of the CMB, the formation of large-scale structures, the expansion of the ...
Khalife, Ali Rida (Date of defense: 2022-04-08)
Our understanding of the Universe has advanced tremendously in the past few decades, with General Relativity(GR) laying the ground for a successful model for the Universe, ΛCDM. However, there ...
Herrero Casas, Enrique (Date of defense: 2014-10-06)
Most of the efforts on the search and characterization of Earth-like exoplanets are currently focused on low mass stars. Some important properties related to the structure and processes in this type of ...
Garcia Garcia, Carlos (Date of defense: 2020-11-10)
This thesis studies Dark Energy, a central topic of Modern Cosmology, from different points of view. It covers from models and parametrizations to likelihood approximations for the observations of the ...
Mor Crespo, Roger (Date of defense: 2019-06-18)
AIMS: We develop a new theoretical framework to generate Besançon Galaxy Model Fast Approximate Simulations (BGM FASt) to address fundamental questions of the Galactic structure and evolution ...
Sanglás Martín, Albert (Date of defense: 2023-10-10)
[eng] This thesis investigates primordial black holes and their observational consequences. In the first part, we examine the behavior of domain walls produced during inflation, and their subsequent ...