RNDr. Debora Lančová, Ph.D
Personal Information
Education and academic qualification
- Master: 2016, Computational Physics, Faculty of Philosophy and Science, Silesian University in Opava, Czech Republic
- PhD: 2023, Theoretical Physics and Astrophysics, Institute of Physics, Silesian University in Opava
Thesis:
Computer modelling of accretion processes in binary systems with black holes and neutron stars
Download PDF version here.
Abstract of the thesis here.
Employment and position
Postdoctoral researcher (2025-now): Nicolas Copernicus Astronomical Centre, Polish Academy of Sciences, Warsaw, Poland (Postdoc Individual Fellowship grant)
Postdoctoral researcher (2023-now): Institute of Physics, Silesian University in Opava, Czech Republic
Doctoral student (2016 – 2021): Faculty of Philosophy and Science, Silesian University in Opava, Czech Republic (supervisor – doc.Török)
Doctoral student (2021 – 2023): Institute of Physics, Silesian University in Opava, Czech Republic (supervisor – doc. Török)
Teaching experience
- Courses:
- Programming, Programming II, Fundamentals of Computer Physics, Parallel Computing in Physics (Silesian University in Opava)
- Numerical Simulations of Accretion Discs (GR part), GeoPlanet School, CAMK
- Bachelor/Master/Doctoral students: 1/2 (1 consultant)/0
Selected publications
- Biswas, P. P., Różańska, A., Vincent, F. H., Lančová, D., & Zycki, P. T.; Broad Iron Line as a Relativistic Reflection from Warm Corona in AGN (2025), arXiv e-prints, arXiv:2511.03575, DOI: 10.48550/arXiv.2511.03575.
- Zdziarski, A. A., Marcel, G., Veledina, A., Olejak, A., & Lancova, D.; Spins of Black Holes in X-ray Binaries and the Tension with the Gravitational Wave Measurements (2025), arXiv e-prints, arXiv:2506.00623, DOI: 10.48550/arXiv.2506.00623.
- Török, G., Klimovičová, K., Lančová, D., Matuszková, M., Šrámková, E., Urbanec, M., Čemeljić, M., Šprňa, R., & Karas, V.; Modulation of X-Ray Flux by Obscuration of Neutron Star Boundary Layer (2025), The Astrophysical Journal, 981, 10, DOI: 10.3847/1538-4357/adad71.
- Matuszková, M., Török, G., Klimovičová, K., Horák, J., Straub, O., Šrámková, E., Lančová, D., Urbanec, M., Urbancová, G., & Karas, V.; Accretion tori around rotating neutron stars: II. Oscillations and precessions (2024), Astronomy and Astrophysics, 691, A168, DOI: 10.1051/0004-6361/202450058.
- Matuszková, M., Török, G., Lančová, D., Klimovičová, K., Horák, J., Urbanec, M., Šrámková, E., Straub, O., Urbancová, G., & Karas, V.; Accretion tori around rotating neutron stars: I. Structure, shape, and size (2024), Astronomy and Astrophysics, 691, A167, DOI: 10.1051/0004-6361/202450056.
- D. Lančová, A. Yilmaz, M. Wielgus, M. Dovčiak, O. Straub, and G. Török. Spectra of Puffy Accretion Discs: the kynbb Fit. Astronomische Nachrichten, Volume 344, Issue 4, article id. e20230023 (2023), DOI: 10.1002/asna.20230023
- M. Wielgus, D. Lančová, O. Straub, W. Kluźniak, R. Narayan, D. Abarca, A. Różańska, F. Vincent, G. Török, and M. Abramowicz. Observational properties of puffy discs: radiative GRMHD spectra of mildly sub-Eddington accretion. Monthly Notices of the Royal Astronomical Society, Volume 514, Issue 1, pp.780-789 (2022), DOI: 10.1093/mnras/stac1317
- D. Lančová, D. Abarca, W. Kluźniak, M. Wielgus, A. Sądowski, R. Narayan, J. Schee, G. Török, and M. Abramowicz. Puffy Accretion Disks: Sub-Eddington, Optically Thick, and Stable. The Astrophysical Journal Letters, Volume 884, Issue 2, article id. L37, 6 pp. (2019), DOI: 10.3847/2041-8213/ab48f5
Research experience
- Research interests:
Relativistic Astrophysics, Computational Astrophysics, Numerical Modelling of Astrophysical Phenomena, Physics of Black holes and Neutron Stars, Physics of Accretion, Programming (C, C++, Python), High Performance Computing
- Papers in Impact Journals (ADS / WoS): 11 / 11
- Citations without self-citations (ADS / WoS): 121 / 95
- H-index (ADS / WoS): 7 / 6
- Conference talks: more than 20 conference presentations or invited seminars
- Scientific stays abroad:
- Postdoc Individual Fellowhip, CAMK, Warsaw, Poland (2025-2026)
- Black Hole Initiative at Harvard University, MA, USA (August 2018)
- CAMK, Warsaw, Poland (regular visits, long-term collaboration since 2018)
- INAF, Rome, Italy (regular visits, long-term collaboration since 2016)
- ISSI, Bern, Switzerland (regular visits, long-term collaboration since 2016)
Invited talks
- NORDITA, Stockholm, Sweden, Puffy Accretion Disks: new results and plans, 2021
- Institute of Physics, Cambridge University, Cambridge, United Kingdom, Global GRRMHD simulation of stable, optically thick sub-Eddington accretion disc – the Puffy disc, 2021
- INAF Sicily, Italy, Puffy Accretion Disk: Sub-Eddington, Optically Thick, and Stable, 2022
Research grants
- GAČR 25-16928O: Postdoc Individual Fellowship Outgoing: Numerical simulations of accretion disks in X-ray binaries (PI)
- SGF/1/2020: Influence of magnetic field on the structure of thin accretion disk (PI)
- 4000132152 ESA (PRODEX) – Enhanced X-ray Timing and Polarimetry (eXTP) (2020 – present)
- SGS X/2022 Processes in vicinity of relativistic compact stars – models and observations (2022)
- SGS/15/2016 The modeling and data of astrophysical processes in vicinity of relativistic compact stars
- GAČR 17-16287S, Oscillations and coherent features in accretion disks around compact objects and their observational signatures, team member (2016 – 2019)
- 03788/2017/RRC, Support of talented doctoral students at the Silesian University in Opava (2017 – 2020)
- LTC18058 (INTER-COST), Neutron Stars and Pulsars (2018 – 2021)
- COST Action CA16214, STSM 40132: Investigating the Influence of Neutron Stars Bursting on the Thin Accretion Disc (2018)
- LTI17018, INTER-EXCELLENCE Project, Promotion and Development of International Scientific Cooperation in Relativistic Astrophysics and Preparation of X-ray Space (2017 – 2020)
- SGS/13/2019, Processes in vicinity of relativistic compact stars – models and observations (2019 – 2021)
Awards & Memberships
- Institute of Physics Director’s Award for student’s publication, 2nd place, 2022
- Bronze Medal of the Silesian University in Opava, 2024
- Member of the International Astronomical Union (since 2024)
Other Activities
- Editor of Proceedings of RAGtime 23 – 25
- Collaboration on the development projects of the Institute of Physics (2018 – present)
- Organization of small workshops and courses for students and employees with foreign tutors
- Organization of exhibit Relativity of Time, 2022, Science & Technology Cente, Dolní Vítkovice, Ostrava, 2022
- Public outreach activities – public talks, popular articles
Conference Organization
- RAGtime: Workshop on black holes and neutron stars – head of LOC (2017 – 2023), SOC member (2024-2025)
- 31st Texas Symposium, LOC member, 2022
- X-ray Data Modelling of Accreting Black Holes Workshop – head of LOC, 2021
- Opava MHD Workshop, November 2019
- Seminars of the Institute of Physics (2019-2024)
Published papers
Török, G., Urbanec, M., Matuszková, M., Urbancová, G., Klimovičová, K., Lančová, D., Šrámková, E., & Horák, J.; Lense-Thirring precession of neutron-star accretion flows: Relativistic versus classical precession (2025), Astronomy and Astrophysics, 703, A30, DOI: 10.1051/0004-6361/202554318.
Török, G., Klimovičová, K., Lančová, D., Matuszková, M., Šrámková, E., Urbanec, M., Čemeljić, M., Šprňa, R., & Karas, V.; Modulation of X-Ray Flux by Obscuration of Neutron Star Boundary Layer (2025), The Astrophysical Journal, 981, 10, DOI: 10.3847/1538-4357/adad71.
Matuszková, M., Török, G., Klimovičová, K., Horák, J., Straub, O., Šrámková, E., Lančová, D., Urbanec, M., Urbancová, G., & Karas, V.; Accretion tori around rotating neutron stars: II. Oscillations and precessions (2024), Astronomy and Astrophysics, 691, A168, DOI: 10.1051/0004-6361/202450058.
Matuszková, M., Török, G., Lančová, D., Klimovičová, K., Horák, J., Urbanec, M., Šrámková, E., Straub, O., Urbancová, G., & Karas, V.; Accretion tori around rotating neutron stars: I. Structure, shape, and size (2024), Astronomy and Astrophysics, 691, A167, DOI: 10.1051/0004-6361/202450056.
Karas, V., Klimovičová, K., Lančová, D., Štolc, M., Svoboda, J., Török, G., Matuszková, M., Šrámková, E., Šprňa, R., & Urbanec, M.; Timing of accreting neutron stars with future X-ray instruments: towards new constraints on dense matter equation of state (2023), Contributions of the Astronomical Observatory Skalnate Pleso, 53, 175, DOI: 10.31577/caosp.2023.53.4.175.
Lančová, D., Yilmaz, A., Wielgus, M., Dovčiak, M., Straub, O., & Török, G.; Spectra of puffy accretion discs: the kynbb fit (2023), Astronomische Nachrichten, 344, e20230023, DOI: 10.1002/asna.20230023.
Šrámková, E., Matuszková, M., Klimovičová, K., Horák, J., Straub, O., Urbancová, G., Urbanec, M., Karas, V., Török, G., & Lančová, D.; Oscillations of fluid tori around neutron stars (2023), Astronomische Nachrichten, 344, e20220114, DOI: 10.1002/asna.20220114.
Wielgus, M., Lančová, D., Straub, O., Kluźniak, W., Narayan, R., Abarca, D., Różańska, A., Vincent, F., Török, G., & Abramowicz, M.; Observational properties of puffy discs: radiative GRMHD spectra of mildly sub-Eddington accretion (2022), Monthly Notices of the Royal Astronomical Society, 514, 780, DOI: 10.1093/mnras/stac1317.
Török, G., Kotrlová, A., Matuszková, M., Klimovičová, K., Lančová, D., Urbancová, G., & Šrámková, E.; Simple Analytic Formula Relating the Mass and Spin of Accreting Compact Objects to Their Rapid X-Ray Variability (2022), The Astrophysical Journal, 929, 28, DOI: 10.3847/1538-4357/ac5ab6.
Kotrlová, A., Šrámková, E., Török, G., Goluchová, K., Horák, J., Straub, O., Lančová, D., Stuchlík, Z., & Abramowicz, M. A.; Models of high-frequency quasi-periodic oscillations and black hole spin estimates in Galactic microquasars (2020), Astronomy and Astrophysics, 643, A31, DOI: 10.1051/0004-6361/201937097.
Bakala, P., De Falco, V., Battista, E., Goluchová, K., Lančová, D., Falanga, M., & Stella, L.; Three-dimensional general relativistic Poynting-Robertson effect. II. Radiation field from a rigidly rotating spherical source (2019), Physical Review D, 100, 104053, DOI: 10.1103/PhysRevD.100.104053.
Lančová, D., Abarca, D., Kluźniak, W., Wielgus, M., Sądowski, A., Narayan, R., Schee, J., Török, G., & Abramowicz, M.; Puffy Accretion Disks: Sub-Eddington, Optically Thick, and Stable (2019), The Astrophysical Journal, 884, L37, DOI: 10.3847/2041-8213/ab48f5.
De Falco, V., Bakala, P., Battista, E., Lančová, D., Falanga, M., & Stella, L.; Three-dimensional general relativistic Poynting-Robertson effect: Radial radiation field (2019), Physical Review D, 99, 023014, DOI: 10.1103/PhysRevD.99.023014.
