Hekker, S.: Asteroseismology of solar-like oscillators: recent results. Leibniz Institute for Astrophysics Potsdam, Potsdam (2018)

Hekker, S.: Asteroseismology of solar-like oscillators: recent results. Kiepenheuer Institute for Solar Physics, Freiburg (2018)

Hekker, S.: Asteroseismology of solar-like oscillators: recent results. Leiden Observatory , Leiden, Netherlands (2018)

Hekker, S.: Asteroseismology of solar-like oscillators: recent results. University of Amsterdam, Amsterdam, Netherlands (2018)

Hekker, S.: Asteroseismology. Magellan Workshop - Connecting Neutrino Physics and Astronomy, Hamburg (2018)

Hekker, S.: Unravelling stellar interiors. 19. Deutsche Physikerinnentagung, Göttingen (2018)

Hekker, S.: Asteroseismology of red-giant stars. European Week of Astronomy and Space Science - EWASS, La Laguna, Tenerife (2018)

Hekker, S.: Stellar ages using asteroseismology. Astroseismology: high-precision stellar metrics for the exoplanet era, London (2018)

Hekker, S.: Asteroseismology: What can we learn about stars & stellar populations? Max Planck Institute for Astrophysics, Garching (2018)

Hekker, S.: Asteroseismology: What can we learn about stars & stellar populations? Max Planck Institute for Astronomy, Heidelberg (2018)

Hekker, S.: Towards accurate ages of stars using asteroseismology. Yale Center for Astronomy and Astrophysics , New Haven, CT (2018)

Hekker, S.: Towards accurate ages of stars using asteroseismology. Harvard-Smithsonian Center for Astrophysics , Cambridge, MA (2018)

Hekker, S.: Solar-like oscillations in subgiants and red-giant stars. IAUS 301: Precision asteroseismology, Wroclaw, Poland (2018)