Óscar Jiménez-Arranz

05/2024 - Present: Postdoctoral researcher, Lund University, Lund, Sweden
11/2023 - 04/2024: IEEC contract (PhD fellowship of Institut d’Estudis Espacials de Catalunya), Universitat de Barcelona, Barcelona, Spain
11/2020 - 11/2023: FI-SDUR grant (PhD fellowship from the Generalitat de Catalunya), Universitat de Barcelona, Barcelona, Spain
07/2019 - 09/2019: Research Collaboration grant, Universitat de Barcelona, Barcelona, Spain
01/2019 - 06/2019: Research fellow, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
07/2018 - 09/2018: Internship, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
10/2017 - 03/2018: Internship, ALBA synchrotron, Barcelona, Spain
07/2017 - 08/2017: Internship, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
02/2017 - 06/2017: Internship, Institute of Material Science of Barcelona, Barcelona, Spain
06/2016 - 07/2016: Internship, Institute of Material Science of Barcelona, Barcelona, Spain

Ph.D., Physics, 8th April 2024, Universitat de Barcelona, Barcelona, Spain, Thesis: Dynamical characterisation of the Magellanic Clouds with Gaia data and the KRATOS simulation, Advisers: Prof. Dr. Mercè Romero Gómez, Prof. Dr. Xavier Luri, Committee: Prof. Dr. G. Clementini, Prof. Dr. E. Vasiliev, and Prof. Dr. Francesca Figueras. Summa Cum Laude.
Postgraduate on Data Science and Big Data, 30th June 2020, Universitat de Barcelona, Barcelona, Spain
Master, Astrophysics, Cosmology and Particle Physics, 22nd June 2019, Universitat de Barcelona, Barcelona, Spain
Thesis: An X-ray census of highly accreting black holes in SDSS quasars, Advisor: Dr. Kazushi Iwasawa
Bachelor Degree, Physics, 30th June 2018, Universitat de Barcelona, Barcelona, Spain
Thesis: The role of the Sommerfeld enhancement in dark matter physics, Advisor: Dr. Federico Mescia

Member of the Data Processing and Analysis Consortium (DPAC) of the Gaia mission: Coordination Unit 9 (CU9)
Member of the Magellanic Clouds Survey (S9, 1001MC) in 4MOST
Member of the ARRAKIHS Mission Consortium (AMC)
Member of the Galaxy Group research team at the Lund University
Member of the Sociedad Española de Astronomia (SEA)
Member of the Red Española para la explotacion cientifica de Gaia (REG)
Member of the European Astronomical Society (EAS)
Former member of the Sloan Digital Sky Survey-V (SDSS-V) collaboration [2024-2025]
Former member of the GaiaUB research team [2020-2024]

“Radial migration induced by tidal interactions in Large Magellanic Cloud-like systems”, Dylan Hebrail, Lund University, June 2025
(co-supervised with Dr. Santi Roca-Fàbrega)
"Asymmetries in the outskirts of the LMC velocity maps", David Salmerón, Universitat de Barcelona, June 2024
(co-supervised with Dr. Mercè Romero-Gómez)

“Automated morphological classification of LMC-like galaxies through machine learning”, Marlin Mahmud, Lund University, June 2025
"Unveiling the 3D structure of the Large Magellanic Cloud", Jan Struck, Universitat de Barcelona, June 2023
(co-supervised with Dr. Xavier Luri)
"Machine learning classifier for the Large Magellanic Cloud using Gaia EDR3 data", Arnau Muros, Universitat de Barcelona, June 2022
(co-supervised with Dr. Xavier Luri)

2022 - 2023: ICCUB PhD meetings representative University of Barcelona, Spain
2021 - 2023: ICCUB DEIC mentoring of the Master program, University of Barcelona, Spain

2020 - 2023: Lecturer of Galactic Astronomy at “Universitat de l’Experiència”, University of Barcelona, Spain
2020 - 2023: Lecturer of Astronomy and Observational Astronomy, University of Barcelona, Spain

2023 - 2024: Collaboration with Joana Burd, fine arts PhD student, to sonify the KRATOS simulations, merging scientific data and art
2022: Awarded in the 1st Tesimarató (Three Minute Thesis contest) of the Physics Faculty of the University of Barcelona
2020 - 2024: Active member of the outreach section of the Institute of Cosmos Science, University of Barcelona, Spain

CV_Jimenez_Arranz_Oscar.pdf

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