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  • Infrared observations of white dwarfs and the implications for the accretion of dusty planetary material 

    Bonsor, A; Farihi, J; Wyatt, MC; van Lieshout, R (Oxford University Press, 2017-06-01)
    Infrared excesses around metal-polluted white dwarfs have been associated with the accretion of dusty planetary material. This work analyses the available infrared data for an unbiased sample of white dwarfs and demonstrates ...
  • A low upper mass limit for the central black hole in the late-type galaxy NGC 4414 

    Thater, S; Krajnović, D; Bourne, MA; Cappellari, M; De Zeeuw, T; Emsellem, E; Magorrian, J et al. (EDP Sciences, 2017-01-01)
    We present our mass estimate of the central black hole in the isolated spiral galaxy NGC 4414. Using natural guide star adaptive optics assisted observations with the Gemini Near-Infrared Integral Field Spectrometer (NIFS) ...
  • Black hole growth and AGN feedback under clumpy accretion 

    De Graf, C; Dekel, A; Gabor, J; Bournaud, F (Oxford University Press, 2017-04-01)
    High-resolution simulations of supermassive black holes in isolated galaxies have suggested the importance of short (∼10 Myr) episodes of rapid accretion caused by interactions between the black hole and massive dense ...
  • Too small to succeed: the difficulty of sustaining star formation in low-mass haloes 

    Cashmore, CR; Wilkinson, MI; Power, C; Bourne, M (Oxford University Press, 2017-06-01)
    We present high-resolution simulations of an isolated dwarf spheroidal (dSph) galaxy between redshifts z ∼ 10 and z ∼ 4, the epoch when several Milky Way dSph satellites experienced extended star formation, in order to ...

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