Photometric and spectroscopic investigation of variable stars Marek Skarka maska@physics.muni.cz skarka@asu.cas.cz DTPA Seminar, Brno March 24, 2023 RR Lyrae stars - Blazhko effect (spectroscopic analysis - INT+Mercator, detectability, OGLE LMC+SMC) - Morphology of the light curves (multicolour data) RR Lyrae stars Variable stars and exoplanets - Binaries with pulsating components (TESS+other photometry, spectroscopy, period analysis) - Binaries with CP-star candidates (TESS+other photometry, spectroscopy, period analysis) - Identification and study of peculiar objects (mainly from TESS) - Investigation of samples of variable stars from TESS (light-curve analysis, period analysis, spectroscopy) - Exoplanetary candidates vetting (spectroscopic follow-up observations) Variable stars and exoplanets - Binaries with pulsating components (TESS+other photometry, spectroscopy, period analysis) - Binaries with CP-star candidates (TESS+other photometry, spectroscopy, period analysis) - Identification and study of peculiar objects (mainly from TESS) - Investigation of samples of variable stars from TESS (light-curve analysis, period analysis, spectroscopy) - Exoplanetary candidates vetting (spectroscopic follow-up observations) 1 enthusiastic student (preferably MSc) The trade Offer Thesis with high publication potential Supervisor concerned with the project Good accessibility of the supervisor New skills & contacts Work with other students Friendly and open relationship Expectations Deep involvement in the project Good attitude to hard and systematic work Autonomy Linux & Python friend H-index 20, 126 publications (90 refereed, 25 first-author), ~1100 citations (~750 independent) Referee (journals, projects), editor in chief OEJV (2015-2019), member of observing proposal committees Wide range of skills in practical astronomy & software Access to Perek 2m and E152 telescopes References Active: Magdalena Špoková (CP stars in globular clusters, PhD), Michaela Vítková (Multiplanetary systems, PhD) Ema Šipková (Study of a peculiar object, BSc, 2023) MSc: Michaela Vítková (Radial velocities of exoplanets, MSc, 2022) Jiří Žák (Exoplanetary atmospheres, MSc, 2020, Award of the dean, PhD study in Germany, ESO student since 2020) Zdeněk Prudil (RR Lyraes, BSc 2014, MSc 2016, Award of the dean, PhD in Heidelberg, ESO fellow since 2022) BSc: Martin Max (RR Lyraes, 2022), Kateřina Neumannová (Variables in globular clusters, 2021), David Stoklásek (Exoplanet RVs, 2021), Marko Mesarč (Exoplanetary transits, 2020, BSC at VSES conference 2022), Vendula Slavíková (Exoplanet transits, 2020), David Štegner (Spectroscopy, 2020), Michaela Vítková (Exoplanetary transits, 2020, BSC at VSES conference 2020), Jiří Žák (Cepheids, 2018), Jakub Dolinský (RR Lyraes, 2017), Zdeněk Prudil (RR Lyraes, 2014) Why MaSka maska@physics.muni.cz, office no. 3011