Journey into the "Yellow Void" - the variable hypergiant V509 Cas
Anni Kasikov
Wednesday, 3rd May at 3 pm
'The evolution of massive stars is not well understood, that is especially true for yellow hypergiant stars. V509 Cas is a well-known example of them. In the past 100 years it has suffered eruptive mass-loss episodes during which its temperature, luminosity and other physical parameters have changed rapidly. I will talk about the variability and surrounding envelope of V509 Cas and what could the future hold for yellow hypergiants.'