Mgr. Debora Lančová

Astrocomp / Mgr. Debora Lančová

Mgr. 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

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:
    Current – Programming, Programming II, Fundamentals of Computer Physics, Parallel Computing in Physics
  • Bachelor/Master/Doctoral students: 1/0 (1 consultant)/0

Selected publications

  • 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
  • G. Török, A. Kotrlová, M. Matuszková, K. Klimovičová, D. Lančová, G. Urbancová, and E. Šrámková. Simple Analytic Formula Relating the Mass and Spin of Accreting Compact Objects to Their Rapid X-Ray Variability. The Astrophysical Journal, Volume 929, Issue 1, id.28, 9 pp. (2022), DOI: 10.3847/1538-4357/ac5ab6
  • P. Bakala, V. De Falco, E. Battista, K. Goluchová, D. Lančová, M. Falanga, and L. Stella. Three-dimensional general relativistic Poynting-Robertson effect. II. Radiation field from a rigidly rotating spherical source. Physical Review D, Volume 100, Issue 10, id.104053 (2019), DOI: 10.1103/PhysRevD.100.104053
  • 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
  • V. De Falco, P. Bakala, E. Battista, D. Lančová, M. Falanga, and L. Stella. Three-dimensional general relativistic Poynting-Robertson effect: Radial radiation field. Physical Review D, Volume 99, Issue 2, id.023014 (2019), DOI:  10.1103/PhysRevD.99.023014

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): 8 / 4
  • Citations without self-citations (ADS / WoS): 72 / 50
  • H-index (ADS / WoS): 5 / 4
  • Conference talks: more than 20 conference presentations or invited seminars
  • Scientific stays abroad:
    • 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

  • 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)

Papers in Impact Journals – published in last 5 years (2018 – 2023)

  1. 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), Mon. Not. R. Astron. Soc, 514, 780, DOI: 10.1093/mnras/stac1317
  2. 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
  3. 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 & Astrophysics, 643, A31, DOI: 10.1051/0004-6361/201937097
  4. 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), Phys. Rev. D, 100, 104053, DOI: 10.1103/PhysRevD.100.104053
  5. 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 Letters, 884, L37, DOI: 10.3847/2041-8213/ab48f5
  6. De Falco, V., Bakala, P., Battista, E., Lančová, D., Falanga, M., & Stella, L.; Three-dimensional general relativistic Poynting-Robertson effect: Radial radiation field (2019), Phys. Rev. D, 99, 023014, DOI: 10.1103/PhysRevD.99.023014.

Awards

  • Institute of Physics Director’s Award for student’s publication, 2nd place, 2022

Other Activities

  • 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 – 2022)
  • 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 (since 2019)