Zářivá hydrodynamika vzplanutí souvisejících s interagujícími dvojhvězdami

• Thesis title in Czech: Zářivá hydrodynamika vzplanutí souvisejících s interagujícími dvojhvězdami
• Thesis title in English: Radiation hydrodynamics of transients associated with binary star interactions
• Academic year of topic announcement: 2021/2022
• Thesis type: dissertation
• Thesis language: čeština
• Department: Institute of Theoretical Physics (32-UTF)
• Supervisor: doc. Mgr. Ondřej Pejcha, Ph.D.
• Author: hidden - assigned and confirmed by the Study Dept.
• Date of registration: 28.07.2021
• Date of assignment: 28.07.2021
• Confirmed by Study dept. on: 29.09.2021

Guidelines

The origin of gravitational wave sources (binary black holes and double neutron stars on close orbits) is one of the most captivating problems of contemporary astrophysics. Perhaps the most explored evolutionary scenario involves a common envelope evolution episode in an isolated binary star. A new window into this phase has been provided by steadily growing number of luminous red novae (LRNe)/intermediate luminosity optical transients (ILOTs). The immediate goal of this thesis is to perform multidimensional radiation hydrodynamic simulations of LRNe/ILOTs, compare the results to observed events, and formulate implications for the physics of common envelope evolution, stellar mergers, and gravitational wave events. This topic will be followed up by other projects in the field of transient and theoretical astrophysics making use of hydrodynamics with radiation or magnetic fields, (semi)analytic models, or stellar evolution calculations.

References

Evolutionary Processes in Binary and Multiple Stars, by Peter Eggleton, ISBN 0521855578. Cambridge, UK: Cambridge University Press, 2006.
"Common Envelope Binaries" (https://ui.adsabs.harvard.edu/abs/1976IAUS...73...75P/abstract)
"The luminous red nova AT 2018bwo in NGC 45 and its binary yellow supergiant progenitor" (https://ui.adsabs.harvard.edu/abs/2021arXiv210205662B/abstract)
"Shock-powered light curves of luminous red novae as signatures of pre-dynamical mass-loss in stellar mergers" (https://ui.adsabs.harvard.edu/abs/2017MNRAS.471.3200M/abstract)
"Common envelope evolution: where we stand and how we can move forward" (https://ui.adsabs.harvard.edu/abs/2013A%26ARv..21...59I/abstract)
"Interaction of a Supernova with a Circumstellar Disk" (https://ui.adsabs.harvard.edu/abs/2018ApJ...856...29M/abstract)