The cluster Abell 85 caught between meals by XMM-Newton

We have observed the cluster of galaxies Abell 85 with XMM-Newton. The high sensitivity of the XMM detectors allowed us to determine new temperature and metal abundance maps for the main part of the cluster. These maps show the existence of various hot regions which often - but not always - have metal abundances lower than the average value, and suggest that Abell 85 has had an active life and is in the process of cannibalising smaller galaxy groups. The central dominant galaxy, a cD, has a large peculiar velocity compared to the mean central galaxy velocities and to the best fit X-ray redshift. We also determined radial temperature and metallicity profiles with much higher spatial resolution than previously. The temperature profile shows a clear rapid decrease towards the centre and a slower decrease towards the exterior. Taking the temperature profile into account we determined new dynamical mass and baryon fraction profiles. Finally, for a number of selected regions we have estimated individual metal abundances. We compared the observed ratio of alpha-elements and Ni with respect to iron with the theoretical ratios derived from supernova yields. We conclude that the enrichment of the intra-cluster medium cannot be explained either by an early burst of SN II or by a continuous enrichment by SN Ia, but both kinds of supernovae must have contributed metals to the ICM.