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| Katja Heitmann | |
|---|---|
| Name | Katja Heitmann |
| Fields | Astrophysics, Cosmology, Computational Physics |
| Workplaces | Ruhr-Universität Bochum; Max Planck Institute for Astrophysics; University of Oxford; Imperial College London; University College London |
| Alma mater | University of Bonn; Ludwig Maximilian University of Munich; University of Cambridge |
| Known for | Large-scale structure simulations, cosmological parameter inference, emulators |
Katja Heitmann is a German computational cosmologist noted for leadership in numerical simulations of large-scale structure, development of cosmological emulators, and contributions to data analysis for major surveys. She has held research positions at several European and North American institutions and collaborated on projects connected to observational programs and theoretical groups. Her work bridges computational methods, statistical inference, and applications to surveys and missions.
Heitmann was born and educated in Germany, completing undergraduate and graduate studies at institutions including University of Bonn, Ludwig Maximilian University of Munich, and undertaking research visits to University of Cambridge and international centers. During doctoral training she engaged with research communities associated with Max Planck Institute for Astrophysics, European Southern Observatory, and collaborations linked to Max Planck Society. Her early mentors and collaborators included researchers active at Heidelberg University, Karlsruhe Institute of Technology, and groups connected with Deutsches Elektronen-Synchrotron.
Heitmann's academic appointments have spanned European and UK institutions such as Ruhr-Universität Bochum, Imperial College London, and University College London, and she has collaborated with teams at Los Alamos National Laboratory, Lawrence Berkeley National Laboratory, and the SLAC National Accelerator Laboratory. She participated in consortia associated with survey projects like Sloan Digital Sky Survey, Dark Energy Survey, Euclid (spacecraft), and Vera C. Rubin Observatory collaborations, interfacing with instrument teams from European Space Agency and National Aeronautics and Space Administration. Her career includes joint appointments and visiting scientist roles at institutions that partner with projects led by Max Planck Institute for Astrophysics and university groups at University of Oxford and Princeton University.
Heitmann has led and contributed to large-scale simulation efforts such as the Mira-Titan Universe suite and emulation frameworks used for precision cosmology, interfacing with computational facilities including Argonne National Laboratory, Oak Ridge National Laboratory, and supercomputing centers associated with National Energy Research Scientific Computing Center. Her work has linked theoretical predictions to data from observational programs including Planck (spacecraft), Baryon Oscillation Spectroscopic Survey, Kilo-Degree Survey, and experiments coordinated by National Science Foundation and European Research Council funding streams. She has collaborated with researchers from institutions like Harvard University, Massachusetts Institute of Technology, California Institute of Technology, Stanford University, and University of Chicago to apply emulator techniques to problems in nonlinear structure formation, galaxy cluster statistics, weak gravitational lensing, and halo catalogs. Projects under her direction engaged with analysis pipelines developed for teams at University of California, Berkeley, Columbia University, Yale University, Johns Hopkins University, and Brown University.
Recognitions for Heitmann's work include grants and fellowships from agencies such as European Research Council, National Science Foundation, and national science foundations in Germany and the United Kingdom, as well as awards tied to collaborative achievements with survey consortia like Dark Energy Survey and mission teams associated with ESA. She has been invited to give plenary and keynote talks at conferences organized by societies including the American Astronomical Society, International Astronomical Union, and specialist meetings hosted by Max Planck Society and national academies such as German National Academy of Sciences Leopoldina.
Representative publications and technical releases list collaborations with authors from institutions including Argonne National Laboratory, Los Alamos National Laboratory, Lawrence Berkeley National Laboratory, Harvard University, and Stanford University, covering topics on simulation design, cosmological emulators, nonlinear matter power spectrum, halo mass functions, and forward-modeling for survey analysis. Her outputs appear in journals and proceedings associated with publishers and societies like Physical Review Letters, Physical Review D, Monthly Notices of the Royal Astronomical Society, Astrophysical Journal, and conference series from SPIE and International Conference on High Performance Computing.
Outside research, Heitmann is affiliated with professional organizations including the American Physical Society, International Astronomical Union, and collaborations coordinated by the European Space Agency and National Science Foundation program offices. She has served on advisory panels linked to institutions such as Max Planck Institute for Astrophysics, Deutsches Elektronen-Synchrotron, and advisory committees at universities like University of Oxford and Imperial College London.
Category:German astrophysicists Category:Computational cosmologists