Exploring the interaction between the MW and LMC with a large sample of blue horizontal branch stars from the DESI survey
A Byström, SE Koposov, S Lilleengen, TS Li… - arXiv preprint arXiv …, 2024 - arxiv.org
The Large Magellanic Cloud (LMC) is a Milky Way (MW) satellite that is massive enough to
gravitationally attract the MW disc and inner halo, causing significant motion of the inner MW …
gravitationally attract the MW disc and inner halo, causing significant motion of the inner MW …
Mapping the anisotropic Galactic stellar halo with Blue Horizontal Branch stars
JAS Amarante, SE Koposov, CFP Laporte - arXiv preprint arXiv …, 2024 - arxiv.org
We use Legacy Survey photometric data to probe the stellar halo in multiple directions of the
sky using a probabilistic methodology to identify Blue Horizontal Branch (BHB) stars. The …
sky using a probabilistic methodology to identify Blue Horizontal Branch (BHB) stars. The …
Identification of Blue Horizontal Branch Stars with Multimodal Fusion
J Wei, B Jiang, Y Zhang - … of the Astronomical Society of the …, 2023 - iopscience.iop.org
Abstract Blue Horizontal Branch stars (BHBs) are ideal tracers to probe the global structure
of the milky Way (MW), and the increased size of the BHB star sample could be helpful to …
of the milky Way (MW), and the increased size of the BHB star sample could be helpful to …
Discovery of a split stellar stream in the periphery of the Small Magellanic Cloud
DL Nidever - Monthly Notices of the Royal Astronomical Society, 2024 - academic.oup.com
ABSTRACT I report the discovery of a stellar stream (Sutlej) using Gaia DR3 (third data
release) proper motions and XP metallicities located 15° north of the Small Magellanic …
release) proper motions and XP metallicities located 15° north of the Small Magellanic …
Symbolic Regression Applied to Cosmology: An Approximate Expression for the Density Perturbation Variance
A Carvalho, DM Oliveira… - 2023 IEEE 19th …, 2023 - ieeexplore.ieee.org
Computations of cosmological properties, such as the density perturbation variance, σ, are
computationally expensive. In this work we propose the application of Symbolic Regression …
computationally expensive. In this work we propose the application of Symbolic Regression …
Studies of evolved stellar populations: from giants to remnants
P Ripoche - 2023 - open.library.ubc.ca
Studying galaxies helps scientists understand better the structure and history of the
Universe. The properties of galaxies, such as their dynamics and evolution, can be inferred …
Universe. The properties of galaxies, such as their dynamics and evolution, can be inferred …
[PDF][PDF] Tracing the Inner Galactic Halo with Blue Horizontal Branch Stars Using Spectrophotometry from Gaia Data Release 3
A Zwerver - 2023 - fse.studenttheses.ub.rug.nl
In this thesis we draw synthetic photometry from novel low-resolution spectra provided by
Gaia Data Release 3 to discriminate blue horizontal branch stars from the contamination …
Gaia Data Release 3 to discriminate blue horizontal branch stars from the contamination …
Arqueologia Galáctica por meio das estrelas azuis do ramo horizontal
FO Barbosa - teses.usp.br
Após o início da queima estável de hélio, estrelas de baixa massa apresentam
luminosidades aproximadamente constantes e compõem o chamado ramo horizontal. Essa …
luminosidades aproximadamente constantes e compõem o chamado ramo horizontal. Essa …
Síntese de populações estelares de galáxias com técnicas de aprendizado de máquina
VM Cernic - teses.usp.br
Esse projeto tem como objetivo encontrar os parâmetros de populações estelares de
galáxias (massa estelar, extinção de poeira, idades e metalicidades médias) a partir da …
galáxias (massa estelar, extinção de poeira, idades e metalicidades médias) a partir da …