Our Working Group (WG) studies massive, luminous stars, both individually and in resolved and unresolved populations, with historical focus on early-type (OB)...

The aims of this Working Group are:•To ensure that scientific symposia on planetary nebulae take place regularly, ideally every 5 years. These symposia would...

Release of the software used to process the SMASH DR2 data.

The question whether or not massive stars can form in isolation or only in star clusters is of great importance for the theory of (massive) star formation as...

I take a critical look at the way in which electronic publishing has changed the world of publishing beyond recognition over the past decade. While the e...

We study the pitch angles of spiral arms and the frequency and dimensions of inner and outer rings as a function of disk parameters and the amplitude of non...

Not Available

In this brief note we remark that the four spatially resolved relativistic radio jets among the 14 dynamically confirmed black hole x-ray novae are all in...

It is very common in astrophysics that certain relevant parameters of the objects studied cannot be obtained directly from observations, but require numerical...