3-D reconstructions of active stars - observations
  Stars are usually faint point sources and investigating their surfaces and interiors observationally is very demanding. Here I give a review on the state-of-the-art observing techniques and recent results on studying interiors and surface features of active stars. 
Heidi Korhonen (NBI and StarPlan University of Copenhagen, FINCA   University of Turku)
astro-ph.SR