I am a senior research associate and a principal investigator of an Ambizione grant by the Swiss National Science Foundation at the University of Zurich. My group's work focuses on planet- and satellite formation, especially on the circumplanetary disks. I am also an associate member of the PlanetS collaboration.In 2017, I was selected among the "Forbes 30 under 30 in Science" by the Forbes Magazine. If you are interested in my research, you can check it out at the exhibition "Expedition Solar System" in Focus Terra (Zurich) till the end of June 2019! Press coverage here.
Prior my current appointment, I was an ETH Fellow at the Swiss Federal Institute of Technology in Zurich. I finished my PhD in 2015 in France and did my MS & BS in Hungary. I also worked as a NASA research assistant in 2009-2010 at Space Telescope Science Institute in Baltimore, MD, USA.
With my group, we are doing both theory and observations, including hydrodynamic simulations of planet- & satellite formation and disk evolution, population synthesis, as well as mock observations with radiative transfer. On the observational side, I am leading an ALMA project searching for forming planets and their disks, as well as I am a member of the SPHERE Science Team on direct imaging of protoplanetary disks.
Institute for Particle Physics and Astrophysics, HIT J 23.3
Phone: +41 44 633 09 70
University of Zurich
Institute for Computational Science,
Phone: +41 44 635 66 89
Curriculum Vitae & Publications
Current Areas of my Research
Theory & Numerical Simulations of Planet Formation
In the era where thousands of exoplanets are known, we still have the difficulty to understand how the planets were formed in our Solar System and elsewhere. To seek for answers, I am using and developing radiative hydrodynamical simulations of gas-giants and super-Earths embedded in their natal protoplanetary disks.
Observational Planet Formation
I strongly believe that theory and observations only together can answer how planets are forming. For this prupose, I post-process my hydrodynamic simulations to create synthetic observations with wavelength dependent radiative transfer tools. I also use chemistry codes to provide predictions for observable species, such as the accretion tracer H-alpha. With all the models in hands, I also lead and participate in observational proposals to instruments like ALMA, SPHERE, JWST, etc.
Formation of Satellites
While we have difficulties to understand planet formation, we are completely in the dark about satellite formation around giant planets. Such as our Jupiter and Saturn, many planets thought form a circumplanetary disk during the early stages, where their regular satellites could have formed. I study the properties of this disk via hydrodynamic simulations coupled with population synthesis for satellite formation, in order to understand how the moons in our Solar System came to be, and also to reveal how many potentially habitable exomoons could be out there which we can detect in the near future.
Teaching & Advising
Planet Formation Lecture Script
This lecture script is for the two planet formation lectures within the "Exoplanets" course offered for all physics-, and engineer students (main lecturer of the Exoplanet course: Dr. Sascha Quanz).
Radiative Transfer -- Computational Astrophysics
This is part of the Computational Astrophysics course, offered for applied mathematics and physics students. The main lecturer of the course is Prof. Lucio Mayer.
1) Marco Cilibrasi completed his MS thesis and a paper on satellite population synthesis for Jupiter-analogs. He remains for PhD, which will be about further development of the population synthesis as well as magneto-hydrodynamic simulations of circumplanetary disks.
2) Cassandra Inderbitzi completed her BSc thesis on satellite formation around gravitational instability formed planets with population synthesis. She remains to continue her project to write a paper during her MS.
3) Fabian Binkert is working on his MS thesis of dust-gas hydro simulations and ALMA gaps.
4) Siri Dobler was working on accretion flows around giant planet during her bachelor project.
5) Evert Nasedkin was working on 3D visualization of hydrodynamic simulations with ParaView, as well as writing code to transform the hydrodynamic simulation output files into the VTK format. He finished this as a bachelor project.
6) Honping Deng was working on the inclusion of planetary magnetic field into the circumplanetary disk hydro simulations.
Research Projects for Students
I am currently (2018 fall term) saturated with 5 student projects, unfortunately I cannot supervise more at the moment. If you are interested to do an MS or BS thesis with me in the future (either from ETH or UZH) on the topics of planet-, and satellite formation, do not hesitate to get in touch.
1) Analytical work: converting ionization fractions into H-alpha flux (BSc project with possible extension for MS thesis)
2) Computational work: Satellite formation with population synthesis (for Master Thesis)
3) Computational work: adding ionization and dissociation of hydrogen to the hydrodynamic code, understanding the temperatures and shocks better in the planet vicinity (for Master Thesis)
Some examples of my outreach articles
Kepler-10b: egy „szuperforró” kőzetbolygó
Keressen Ön is exobolygót a Keplerrel!
A Herschel fényt derít a távoli csillagontó galaxisok titkaira
Egy formálódó, fiatal bolygórendszer
Hamarosan indulásra kész a Venus Express
Egerek kövezik ki az emberiség útját a Marsra? (1. rész)
Egerek kövezik ki az emberiség útját a Marsra? (2. rész)
Szerves anyag egy fiatal csillag körül
www.csillagaszat.huViharos hőmérsékletváltozások egy exobolygó felszínén
Metán a Mars északi féltekéje felett - életre utaló jel?
Az Androméda galaxis - új szemszögből
Egy behálózott galaxis
Az első Y törpe: átmeneti égitest a csillagok és bolygók között
Galaxishalmaz a sötét anyag hálójában
A hetedik HAT-bolygó: egy igazán forró Jupiter
Galaxisközi vándor: hipersebességű csillag a Nagy Magellán-felhőből
HATNet: a legsikeresebb fedési exobolygó-kereső programl
Korábban jelent meg az oxigén a Föld légkörében, mint eddig gondoltuk
Bolygókeletkezés szoros kettőscsillagok körül
Óriásra nőtt fiatal galaxis
Bolygókeresés egy másik galaxisban
Tavak és esők a Titán felszínén
A Szaturnusz legújabb gyűrűje
Exobolygók a Tejútrendszer központi vidékén
A Mars lakhatóbbá tétele
Bolygókeletkezés egy fehér törpe körül
Új korszak az exobolygók kutatásában
A "leg"-ek exobolygója - újabb magyar felfedezés!
Egy "nehézsúlyú" bolygó felfedezése magyar közreműködéssel
Újabb két bolygót fedezett fel a magyar-amerikai távcsőhálózat
If you want to read more, please visit here.
Press Coverage (English selection only)
J. Szulagyi in "Forbes 30 under 30 in Science 2017"
"Preventing stars from eating their young"
"To trace a gas giant's birth, take its temperature"
"How planets like Jupiter form"
"Secret Recipe Book for Cooking Jupiters Revealed"
Visualizations from the simulationsCredits: J. Szulagyi & S. Dobler (ETH/UZH)
MoviesMovie about the simulation: Circumplanetary disk inside the Circumstellar disk
Movie about moons inside the circumplanetary disk
Movie about gas streamlines to the circumplanetary disk -- gas accretion to the planet
Movie about gas streamlines & velocity -- gas flow near the planet
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