Stellar physics

The stars are the main building blocks of the visible universe. The stars act as thermonuclear reactors in which all chemical elements heavier than hydrogen and helium are synthesized.

The astronomers of the Tartu Observatory study different types of stars, both observationally and theoretically.

Employees of the department



The main research directions

  • variability and evolution of massive stars,
  • exoplanet host stars and planet-star interaction,
  • stellar envelopes, discs and other ejecta,
  • symbiotic and similar binary stars,
  • model atmospheres and synthetic spectra of hot stars


Ingliskeelse kolme minuti loengute konkursi esikolmik_autor Piret Ehrenpreis

Record high number of participants in 3-minute thesis competition

ESTCube-2 orbiidil

University of Tartu’s second student satellite ESTCube-2 now completed and leaving Estonia

ESTCube-2 satellite testing in the labs of Tartu Observatory University of Tartu

Shock tests were performed on the ESTCube-2 satellite