Astrophysics Seminars

In this talk I will present results on the study of circumnuclear star-forming rings based on integral-field SAURON and NIR SINFONI observations. I'll review the main kinematic properties of these features and their relation to the surrounding...

When extrasolar planets are observed to eclipse their parent stars, we are granted unprecedented access to their physical properties. It is only for these systems that we are permitted direct estimates of the planetary masses and radii, which in...

The similarity between the mass and spatial distributions of pre-stellar gas cores in star-forming clouds and young stars in clusters provides strong circumstantial evidence that these gas cores are the direct progenitors of individual stars. I...

In dilute plasmas, the electron mean free path is significantly larger than the electron Larmor radius. As a result, heat is transported primarily along (not across) magnetic field lines. The physics of buoyancy instabilities ("convection") is...