A Suzaku observation of the cluster of galaxies A1060

We carried out observations of the central and 20' east offset regions of the cluster of galaxies Abell 1060 with Suzaku. Spatially resolved X-ray spectral analysis has revealed temperature and abundance profiles of Abell 1060 out to 27' similar or equal to 380 h(70)(-1) kpc, which corresponded to similar to 0.3 r(vir). The temperature decrease of the intra cluster medium from 3.4 keV at the center to 2.2 keV in the outskirt region are clearly observed. Si, S and Fe abundances also decrease by more than 50% from the center to the outer parts, while Mg shows a fairly constant abundance of similar to 0.7 solar within r < 17'. O shows a lower abundance of similar to 0.3 solar in the central region (r < 6'), and indicates a similar feature with Mg, however it is sensitive to the estimated contribution of the Galactic components at the outer annuli (r > 13'). Results on temperature and abundances of Si, S, and Fe are consistent with those derived by XMM-Newton at r < 13'. The formation and metal enrichment of the cluster are discussed based on implications of our results.