Julia Katharina Lamprecht
PhD Student Astrophysics
Research interests
- The dynamics of early-type galaxies in order to constrain their formation and evolutionary history. Of particular interest are nucleated galaxies, as nuclear star clusters preserve information about their formation pathways imprinted into their stellar populations and dynamical structure.
- Using Schwarzschild orbit-superposition modelling (DYNAMITE), I build dynamical models of galaxies by optimizing large orbit libraries to reproduce integral-field spectroscopic and imaging observations (MUSE, SINFONI, NIFS, HST).
- Extract stellar kinematics from integrated galaxy spectra using the Bayes-LOSVD framework, modelling the broadening and shifts of absorption-line features through Bayesian inference and Markov Chain Monte Carlo (MCMC) sampling within a probabilistic machine learning framework.
- Black hole demographics: Measuring the mass of black holes to investigate co-existence and evolution of the central black hole and its host galaxy.
- Data Science, scientific computing and statistical modelling.
Visits and Talks
Talk on "Recovering non-parametric Line-of-Sight Velocity Distributions (LOSVDs) with Bayes-LOSVD: Nuclear Star Cluster Dynamics."
Talk on "Line-of-Sight Velocity Distributions: Nuclear Star Cluster Dynamics."
Talk on "Recovering complex dynamics in galaxy nuclei with Bayes-LOSVD."
Talk on "Recovering complex dynamics in galaxy nuclei with Bayes-LOSVD."
Talk on "Testing Bayes-LOSVD on nucleated early-type galaxies in the Fornax cluster."
Talk on "An orbital decomposition of the nuclear regions in the early-type galaxy FCC047."
Flashtalk on "An orbital decomposition of an unusually large nuclear star cluster."
01/2025 - 02/2025: Science internship program.
10/2024 - 11/2024: Research visit.
Talk on "Measuring the black hole mass of PGC1021091."
Education
PhD Student: Bridging Dynamics and Stellar Populations: Unravelling Nuclear Star Cluster Formation.
BSc and MSc degrees. Focus: Evolution and formation of galaxies,
Galactic dynamics, Dynamical modelling of galaxies,
SMBH mass determination.
Master's thesis: Orbital decomposition of the nuclear star cluster
in FCC 047.
Bachelor's thesis: Constraining the black hole mass of PGC1021091
with DYNAMITE.
BSc Economics.
Semester abroad at Universite Toulouse 1 Capitole, School of Economics (2016-2017).
Extracurricular Activities and Stipends
Scholarship supporting academic mobility and research collaboration between Austria and the Czech Republic.
Awarded for outstanding academic achievements.
Academic work abroad, working on the Master's thesis at ESO, Garching.
Student support, Local Organizing Committee.
Supporting children with migration background from socially disadvantaged families.