Morganti et al. detect 1000 km/s outflows of neutral material from seven radio galaxies. This rate of up to 50 Msun/yr is comparable to outflow rates from ULIRGs.
Aharonian et al. suggest a possible associate between HESS J1825 and the pulsar wind nebula of PSR B1823 based on XMM observations of the latter.
Kauffmann et al. look at the scatter in colours and spectral line strengths of local galaxies and deduce that star formation in more compact galaxies occurs in high amplitude bursts.
Fabian et al. present first results from the 1Msec Chandra Perseus cluster observation. The pressure ripples observed in shorter observations are shown to be isothermal sound waves that can provide a heat source able to balance radiative cooling.
Chen & Pradhan calculate the ratio of the FeXVII 3s/3d lines using different electron distribution functions and surmise that some of the differences between astrophysical and laboratory measurements may be due to different plasma conditions.
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