Astrophysical: Black hole physics

  • Publication
    X-ray Spectral State is not Correlated with Luminosity in Holmberg II X-1
    The ultraluminous X-ray source (ULX) Holmberg II X-1 has been observed over four months in 2009/2010 by the Swift observatory. The source luminosity varied by a...
  • Publication
    XMM-Newton detection of Nova Muscae 1991 in quiescence
    The soft X-ray transient GU Mus has been detected by XMM-Newton in the quiescent state. The source is very faint, with a 0.5-10.0 keV unabsorbed flux of =~ 1.1...
  • Publication
    XTE J1118+480: A Metal-rich Black Hole Binary in the Galactic Halo
    We present medium-resolution optical spectra of the secondary star in the high Galactic latitude black hole X-ray binary XTE J1118+480 and determine the...