Koester et al. create a catalog of 13,823 clusters of galaxies in the SDSS. The algorithm used is described in another preprint.
Collister et al. use a neural network to generate a photometric redshift catalog of over one million luminous red galaxies from the SDSS. The training set is a 15,000 galaxy spectroscopic catalog from Cannon et al.
Houck & Allen describe models for non-thermal photon emission.
Sato et al. measure temperature and abundance profiles in A1060 using Suzaku.
Done & Nayakshin argue that the AGN soft excess is more likely to be due to absorption in a wind than reflection from a disk since the latter, unlike the former, requires fine tuning of the ionization state.
Temi et al. find extended far IR emission from ellipticals using Spitzer and interpret it as due to cold gas buoyantly transported from a reservoir in the core.
Corasaniti et al. note that a new generation of big telescopes and very high resolution spectrographs will be able to measure the change in redshift in quasar absorption line systems over a ten-year baseline and hence constrain models for the cosmic expansion history.
Blasi et al. review expected gamma-ray emission from clusters of galaxies.
Kocsis et al. provide a Fourier decomposition method of determining the position of SMBH binary inspiral observed using LISA.
Ng argues that if spacetime undergoes quantum fluctuations then an EM wavefront acquires uncertainties in direction which will show up in interferometric observations of distant quasars.
Poole et al. use a suite of simulations to investigate the effects of mergers on cluster parameter relations.
de Plaa et al. use XMM observations of abundances in 22 clusters to test SN models.
Sesana et al. consider the prospects for using LISA observations to constrain models of the build-up of SMBHs.
Thursday, January 11, 2007
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