2022 September - present | Project research fellow Center for Computational Astrophysics, Division of Science, National Astronomical Observatory of Japan, Tokyo, Japan
2019 September - 2022 August | Postdoctoral fellow Anton Pannekoek Institute for Astronomy, University of Amsterdam, Amsterdam, the Netherlands
2018 January - 2018 April | Sessional Instructor University of Ontario Institute of Technology, Oshawa, Canada
2015 September - 2019 July | Research Assistant Dept. of Physics and Space Science, Royal Military College of Canada, Kingston, Canada
2015 September - 2019 July | Teaching Assistant Dept. of Physics, Engineering Physics & Astronomy, Queen's University, Kingston, Canada
Education
2015 September - 2019 July | Astrophysics Ph.D. diploma Queen's University, Kingston, Canada
2013 October - 2015 August | Astrophysics M.Sc. diploma Ludwig-Maximilians-University, University Observatory, Munich, Germany
2011 September - 2012 February | Erasmus exchange program University of Sheffield, Sheffield, United Kingdom
2009 September - 2013 July | Physics B.Sc. diploma Eotvos Lorand University, Budapest, Hungary
Other Studies
2014, 10 - 22 August | Stellar Astrophysics Centre, Summer School: Aarhus, Denmark
2014, 15 - 26 July | School of Modern Astrophysics, Summer School: St. Petersburg, Russia
2014, 1 - 4 May | jDPG-Mafihe, Spring School : Munich, Germany
2011, 17 July - 6 August | International Astronomical Youth Camp: Tremesek, Czech Republic
2010, 1 - 21 August | International Astronomical Youth Camp: Klingenthal, Germany
2008, 22 July - 9 August | International Astronomical Youth Camp: Sayda, Germany
2021, 30 May — 2 June | Symposium Chair of “Massive stars: birth, rotation, and chemical evolution” at the European Astronomical Society’s Annual Meeting, online, https://eas.unige.ch/EAS2021/session.jsp?id=S16
Mr. Carlos Martinez-Sebastian (2023 November-present, PhD candidate, Instituto de Astrofisica de Canarias, collaborator )
Mr. Abel de Burgos (2023 November-present, PhD candidate, Instituto de Astrofisica de Canarias, collaborator )
Mr. Shaquann Seadrow (2023 October-present, PhD candidate, University of Delaware, collaborator )
Mr. Victor Ramirez-Delgado (2022 September-present, PhD candidate, University of Delaware, collaborator )
Mr. Frederick Groth (2019 September - 2021 August, Master’s Thesis project, LMU Munich, collaborator )
Mr. Alex Ferraro (2019 September - 2021 August, Master’s Thesis project, LMU Munich, collaborator )
Mrs. Sarah Brands (2019 September - 2023 June, Ph.D. Thesis, University of Amsterdam, collaborator )
Mr. Katlego Jafta Ramalatswa (2021 June-July, ASPIRE summer intern, South African Astronomy Observatory, main supervisor )
Mr. Freek Temming (2021 April-July, Bachelor’s Thesis project, University of Amsterdam, main supervisor )
Mr. Tom Wind (2020 April - August, Bachelor’s Thesis project, University of Amsterdam, main supervisor )
Mr. Dani van Enk (2020 February - July, Bachelor’s Thesis project, University of Amsterdam, main supervisor )
Mr. Martin Carrington (2016 June - 2017 July, Summer intern and Undergraduate thesis project, Queen’s University, main supervisor )
Research Visits ( > 1 week)
2023, 29 October — 22 December | IAC Early Career Visitor Program, Tenerife, Spain. Host: Dr. S. Simon-Diaz
2023, 9 — 20 October | “Stellar magnetic fields” MIAPbP program, Munich, Germany.
2018, 24 June — 5 July | University of Wisconsin-Madison, Madison, United States. Host: Prof. Dr. R. Townsend
2017, 31 June — 2 August | Geneva Observatory, Sauverny, Switzerland. Hosts: Prof. Dr. G. Meynet, Dr. C. Georgy
2016, 6 — 14 October | Dominion Astrophysical Observatory, Victoria, Canada. Host: Prof. Dr. D. Bohlender
Invited Talks
2025, 15 - 19 Sep. | IAUS 402, Ensenada, Mexico
2024, 9 - 12 Aug. | IAU GA, Division G (Online)
2024, 25 Jan. | SKA-JP Meeting, Host: Dr. Y. Fujii-san (Online)
2023, 9 Nov. | Seminar at IAC, Tenerife, Spain. Host: Dr. S. Simon-Diaz (Hybrid: in person)
2023, 26 Oct. | Colloquium at Konkoly Observatory, Budapest, Hungary. Host: Prof. M. Lugaro (Hybrid: in person)
2023, 10 — 14 July | EAS Annual Meeting, Krakow, Poland, Symposium 5: From stellar variability to stellar structure and evolution
2023, 14 June | Division of Science - ALMA project joint seminar, NAOJ, Tokyo, Japan. (Hybrid: in person)
2022, 24 Nov. | Department of Earth and Planetary Science Seminar, University of Tokyo, Tokyo, Japan. Host: Prof. M. Shoda. (Hybrid: in person)
2022, 22 Nov. | Department of Astronomy and Institute of Astronomy Joint Seminar, University of Tokyo, Tokyo, Japan. Host: Prof. H. Umeda. (Hybrid: in person)
2022, 5 Oct. | Science Colloquium, NAOJ, Tokyo, Japan (Hybrid: in person)
2021, 15 Oct. | Talk at group meeting, Caltech, USA. Host: Prof. J. Fuller. (Online)
2021, 14 Oct. | Seminar at Geneva Observatory, Switzerland. Host: Prof. P. Eggenberger. (Online)
2021, 7 Oct. | “Tea Talk” at Carnegie Observatories, USA. Host: Dr. Y. Goetberg. (Online)
2019, 28 Oct. | Colloquium at KU Leuven, Leuven, Belgium. Hosts: Prof. Dr. C. Aerts and Dr. D. Bowman
2019, 27 March | Seminar at University of Delaware, Newark, USA. Hosts: Prof. S. Owocki, Prof. V. Petit, Dr. A. David-Uraz
2017, 2 July | Seminar at Geneva Observatory, Sauverny, Switzerland. Hosts: Prof. G. Meynet and Dr. C. Georgy
2017, 26 – 30 June | The European Week of Astronomy and Space Sciences, Special Session 10: Winds from massive stars: What are the real rates?, Prague, Czech Republic
2020, 29 June — 3 July | EAS Annual Meeting, online, contributed talk
2018, 10 - 15 December | Stellar magnetism and spectropolarimetry workshop: Thousand Oaks, United States, contributed talk
2018, 20 - 31 August | IAU GA, IAUS 346, Vienna, Austria, e-poster presentation
2017, 28 August - 1 September | Stars with a stable magnetic field conference, Brno, Czech Republic, contributed talk
2017, 26 - 30 June | The European Week of Astronomy and Space Sciences, SS10, Prague, Czech Republic, invited talk
2016, 28 November - 2 December | IAUS 329, Auckland, New Zealand, contributed talk
2016, 1-4 May | CFHT User's Meeting: Nice, France, poster presentation
2015, 7-11 December | 4th Binamics Workshop Melbourne : Melbourne, United States, contributed talk + poster presentation
2014, 17-19 September | Magnetism and Variability in O stars Scientific meeting: Amsterdam, Netherlands, participant
2013, 22-25 July | 13th European Workshop on Astrobiology, European Network of Astrobiology: Szczecin, Poland, poster presentation
Outreach
2020, November | “I’m a Scientist”, 20 live-chat sessions (each 40 mins) with elementary-school and high-school students, scientist of the week and overall winner of the Physics Zone (voted by the students). http://imascientist.org.uk
2018 July – 2019 July| Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Ambassador at the Visitors Centre
Training
2022, 7 October | Research Integrity, online module, completion
2021, 14 January | Unconscious bias workshop, University of Amsterdam, online, participant
2017, 11 – 12 November | NASA CAE Tier I Teaching Excellence Workshop for Current and Future Astronomy and Space Science Instructors, Syracuse, USA, participant
selected refereed publications
Keszthelyi, Z., 2023, Galaxies, 11, 40, Magnetism in High-Mass Stars
Keszthelyi, Z., de Koter., A., Goetberg, Y., Meynet, G., Brands, S.A., Petit, V., Carrington, M., David-Uraz, A., Geen, S.T., Georgy, C., Hirschi, R., Puls, J., Ramalatswa, K.J., Shultz, M.E., ud-Doula, A., 2022, Monthly Notices of the Royal Astronomical Society, 517. 2028, The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities
Keszthelyi, Z., Meynet, G., de Koter., A., Martins, F., David-Uraz, A., 2021, Monthly Notices of the Royal Astronomical Society, 504. 2474, The effects of surface fossil magnetic fields on massive star evolution: III. the case of tau Sco
Keszthelyi, Z., Meynet, G., Shultz, M. E., David-Uraz, A., ud-Doula, A. , Townsend, R. H. D., Wade, G. A., Georgy, C., Petit, V., Owocki, S. P., 2020, Monthly Notices of the Royal Astronomical Society, 493. 518, The effects of surface fossil magnetic fields on massive star evolution: II. Implementation of magnetic braking in MESA and implications for the evolution of surface rotation in OB stars
Shultz, M. E., Wade, G. A., Rivinius, Th, Alecian, E., Neiner, C.; Petit, V., Owocki, S., ud-Doula, A., Kochukhov, O., Bohlender, D., Keszthelyi, Z., MiMeS Collaboration, BinaMIcS Collaboration, 2019, Monthly Notices of the Royal Astronomical Society, Volume 490, Issue 1, page 274, The magnetic early B-type stars - III. A main-sequence magnetic, rotational, and magnetospheric biography
David-Uraz, A., Neiner, C., Sikora, J., Bowman, D. M., Petit, V., Chowdhury, S., Handler, G., Pergeorelis, M., Cantiello, M., Cohen, D. H., Erba, C., Keszthelyi, Z., Khalack, V., Kobzar, O., Kochukhov, O., Labadie-Bartz, J., Lovekin, C. C., MacInnis, R., Owocki, S. P., Pablo, H., Shultz, M. E., ud-Doula, A., Wade, G. A., 2019, Monthly Notices of the Royal Astronomical Society, Volume 487, Issue 1, page 304, Magnetic OB[A] Stars with TESS: probing their Evolutionary and Rotational properties (MOBSTER) - I. First-light observations of known magnetic B and A stars
Z. Keszthelyi, G. Meynet, C. Georgy, G.A. Wade, V. Petit, A. David-Uraz, 2019, Monthly Notices of the Royal Astronomical Society, Volume 485, Issue 4, page 5843, The effects of surface fossil magnetic fields on massive star evolution: I. The impact of magnetic field evolution, mass-loss quenching and magnetic braking on the evolution of a typical massive star
C. Georgy, G. Meynet, S. Ekström, G.A. Wade, V. Petit, Z. Keszthelyi, R. Hirschi, 2017, Astronomy & Astrophysics, Volume 599, id. L5, Possible pair-instability supernovae at solar metallicity from magnetic stellar progenitors
Z. Keszthelyi, J. Puls, G.A. Wade, 2017, Astronomy & Astrophysics, Volume 598, id. A4, Modeling the early evolution of massive OB stars with an experimental wind routine. The first bi-stability jump and the angular momentum loss problem
V. Petit, Z. Keszthelyi, R. MacInnis, D.H. Cohen, R.H.D. Townsend, G.A. Wade, S.L. Thomas, S.P. Owocki, J. Puls, A. ud-Doula, 2017, Monthly Notices of the Royal Astronomical Society, Volume 466, Issue 1, page 1052, Magnetic massive stars as progenitors of heavy stellar-mass black holes