Browsing by Author "Gaensicke, Boris T."

Now showing items 1-3 of 3

    • Brown dwarf companions to white dwarfs 

      Burleigh, Matt R.; Steele, Paul R.; Dobbie, Paul D.; Farihi, Jay; Napiwotzki, Ralf; Maxted, Pierre F. L.; Barstow, Martin A.; Jameson, Richard F.; Casewell, Sarah L.; Gaensicke, Boris T.; Marsh, Tom R. (American Institute of Physics (AIP), 2011)
      Brown dwarf companions to white dwarfs are rare, but recent infra-red surveys are slowly revealing examples. We present new observations of the post-common envelope binary WD0137-349, which reveals the effects of irradiation ...

    • A first catalogue of automatically selected ultraviolet-excess sources from the UVEX survey 

      Verbeek, Kars; de Groot, Eelco; Groot, Paul J.; Scaringi, Simone; Drew, J.E.; Greimel, Robert; Irwin, Mike; Gonzalez-Solares, Eduardo; Gaensicke, Boris T.; Casares, Jorge; Corral-Santana, Jesus M.; Deacon, Niall; Steeghs, Danny (2012-02)
      We present the first catalogue of point-source ultraviolet (UV)-excess sources selected from the UV-Excess Survey of the Northern Galactic Plane (UVEX). UVEX images the Northern Galactic Plane in the U, g, r and He Iota ...

    • Substellar companions and the formation of hot subdwarf stars 

      Geier, Stephan; Heber, Ulrich; Tillich, Alfred; Hirsch, Heiko; Kupfer, Thomas; Schaffenroth, Veronika; Classen, Lew; Maxted, Pierre F. L.; Ostensen, Roy H.; Barlow, Brad N.; Marsh, Tom R.; Gaensicke, Boris T.; Napiwotzki, Ralf; O'Toole, Simon J.; Guenther, Eike W. (American Institute of Physics (AIP), 2011)
      We give a brief review over the observational evidence for close substellar companions to hot subdwarf stars. The formation of these core helium-burning objects requires huge mass loss of their red giant progenitors. It ...