Theory and observations of two stars undergoing strong interaction
| Thesis title in Czech: | Teorie a pozorování silných interakcí dvojhvězd |
|---|---|
| Thesis title in English: | Theory and observations of two stars undergoing strong interaction |
| Academic year of topic announcement: | 2020/2021 |
| Thesis type: | dissertation |
| Thesis language: | angličtina |
| 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: | 08.09.2020 |
| Date of assignment: | 08.09.2020 |
| Confirmed by Study dept. on: | 01.10.2020 |
| Guidelines |
| The goal of the thesis is to significantly develop understanding of the theory and observational implications of two stars undergoing strong interaction or a merger. Depending on the interests of the student, the work will focus on understanding unusual transients likely associated with binary star interactions, transients from stellar collisions, formation of dust and molecules in binary interactions, and understanding the observational implications of the theory (blue stragglers, R CrB stars, FK Com stars, eta Car, progenitor of SN1987A, etc.). In addition to analytic or semi-analytic work, the thesis can utilize existing codes or codes under development in the group: 1D stellar evolution, smoothed particle (radiation)hydrodynamics, moving mesh radiation hydrodynamics, or N-body calculations. In addition, the group is a member of All-Sky Automated Survey for Supernovae (ASAS-SN), and the thesis can include significant observational or data analysis component from ASAS-SN or other photometric or spectroscopic surveys (APOGEE, Gaia, TESS). |
| References |
| Evolutionary Processes in Binary and Multiple Stars, by Peter Eggleton, pp. . ISBN 0521855578. Cambridge, UK: Cambridge University Press, 2006.
Statistics, Data Mining, and Machine Learning in Astronomy, by Z. Ivencić et al. Princeton, NJ: Princeton University Press, 2014 Morris, T., Podsiadlowski, P. 2007. The Triple-Ring Nebula Around SN 1987A: Fingerprint of a Binary Merger. Science 315, 1103. Naoz, S. 2016. The Eccentric Kozai-Lidov Effect and Its Applications. Annual Review of Astronomy and Astrophysics 54, 441. Pawlak, M., and 14 colleagues 2019. The ASAS-SN catalogue of variable stars - IV. Periodic variables in the APOGEE survey. Monthly Notices of the Royal Astronomical Society 487, 5932. Smith, N., and 9 colleagues 2018. Light echoes from the plateau in Eta Carinae's Great Eruption reveal a two-stage shock-powered event. Monthly Notices of the Royal Astronomical Society 480, 1466. "Cool and luminous transients from mass-losing binary stars" (http://adsabs.harvard.edu/abs/2016MNRAS.455.4351P) "Pre-explosion Spiral Mass Loss of a Binary Star Merger" (http://adsabs.harvard.edu/abs/2017ApJ...850...59P) "Shock-powered light curves of luminous red novae as signatures of pre-dynamical mass-loss in stellar mergers" (http://adsabs.harvard.edu/abs/2017MNRAS.471.3200M |
| Preliminary scope of work in English |
| There is now renewed interest in the evolution and death of binary stars connected with the detection of gravitational waves from double compact objects and the exploration of new time-domain phenomena. |