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My Research
My Research
I am a professional astronomer, working as Assoc. Professor at the Department of Astrophysics at the University of Vienna.
My research is devoted to the observational study of the early stages of star formation in molecular clouds. Using state-of-the-art radioastronomical facilities such as ALMA, I investigate the gas dynamics and internal structure of the gas in the Interstellar Medium (ISM).
Four main questions drive my research:
Which physical processes control the formation of stars in molecular clouds?
How does the transition between diffuse and dense gas occur inside clouds?
What is the internal structure of low- and high-mass filaments?Â
Is the star formation process universal?
Keywords
Keywords
Star Formation
mm-line and continuum observations
Single-dish and interferometric observations
Gas kinematics
Filaments, bundles, and fibers
Credit: ESO/H. Drass/ALMA (ESO/NAOJ/NRAO)/A. Hacar (ESO Photo Release)
Scientific highlights
Scientific highlights
PI of the ERC Starting Grant EMERGE project (project webpage)
Leader of the "Interstellar Medium Astrophysics" group (webpage)
Streaming motions along filaments (Hacar & Tafalla 2011)
Bundles of fibers in B213-L1495 (Hacar et al 2013)
Stellar motions as fossil record of the gas kinematic structure (Hacar et al 2016)
Evidence of fibers in the Orion Integral Filament (Hacar et al 2018)
3 Accepted ALMA Cycle 3, 4, & 6 proposals as PI (ALMA portal)
PI of the ORION-4D project (link)
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