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Honoring Paris Pişmiş' Legacy: Uniform Astrophysical Properties of 14 Understudied Clusters from Gaia DR3
Seliz Koç, Neslihan Alan, Furkan Akbaba +1
Open clusters are fundamental tracers of the chemical and dynamical evolution of the Galactic disc. This study presents a systematic characterisation of 14 understudied open cluste…
Kings of the Milky Way: A Homogeneous Gaia DR3 Analysis of King Open Clusters and the Galactic Disc Metallicity Gradient
Talar Yontan, Selçuk Bilir, Hikmet Çakmak +11
This study aims to establish an internally homogeneous set of structural, astrophysical, and kinematical parameters for King open clusters and to assess their role as tracers of th…
Astrophysical Parameters of 5056 Open Star Clusters from Bayesian Nested Sampling with PARSEC Isochrones
Olcay Plevne, Furkan Akbaba
We present a homogeneous catalogue of ages, metallicities, distances, and reddenings for 5056 open clusters in the Unified Cluster Catalogue (UCC), derived uniformly from Gaia Data…
Unsupervised Chemo-Dynamical Dissection of the Inner Galactic Halo: Discovery of Five Accreted Substructures with SDSS-V and Gaia
Furkan Akbaba, Olcay Plevne
The inner Galactic halo is a complex graveyard of the Milky Way's earliest accretion events, where severe orbital phase-mixing challenges traditional dynamical stream-finding techn…
Chemical Taxonomy of ~Centauri: Ten Populations Reveal a Multi-Phase Enrichment History
Furkan Akbaba, Olcay Plevne, Timur Şahin +1
~Centauri, the most massive globular cluster in the Milky Way, exhibits a level of stellar population complexity that has long resisted a unified chemical characterisation. We e…
The structure and evolution of the Galactic high- disc I. Chemical and age orbital cartography
Furkan Akbaba, Danny Horta, Olcay Plevne
We present a comprehensive chemical and age orbital cartography of the Galactic high- disc using subgiant stars with precise ages, element abundances, and full phase-space infor…
Estimating Initial Mass of Gaia-Enceladus Dwarf Galaxy with Chemical Evolution Model
Olcay Plevne, Furkan Akbaba
This work investigates the initial mass and chemical evolution history of the Gaia-Enceladus dwarf galaxy. We combine spectroscopic data from APOGEE with astrometric data from Gaia…
Radial Metallicity Gradients for the Chemically Selected Galactic Thin Disc Main-Sequence Stars
F. Akbaba, T. Ak, S. Bilir +3
{We present the radial metallicity gradients within the Galactic thin disc population through main-sequence stars selected on the chemical plane using GALAH DR3 accompanied with Ga…