Hot gas in poor clusters
Some time was also spent on studies of the properties of hot intergalactic gas in a small number of poor clusters of galaxies. This gas is not heated by star formation processes, but by the gravitational potential of the clusters.
- ROSAT HRI observations of six early-type galaxies (M. Dahlem and N. Stuhrmann, 1998, A&A, 332, 449)
- Diffuse X-Ray Emission in Three Poor Clusters of Galaxies (M. Dahlem and I. Thiering, 2000, PASP, 112, 148)