• Gaia white dwarfs within 40 pc – I. Spectroscopic observations of new candidates 

      Tremblay, P. E.; Hollands, M.; Izquierdo Tugas, Pere; Gänsicke, Boris T.; Koester, D.; Brown, W J; Hermes, J. J.; Kleinman, Scot J.; Manser, C. J.; Marsh, Thomas R.; Schreiber, Mathias R.; Silvotti, R.; Rebassa Mansergas, Alberto; Raddi, Roberto (Oxford University Press, 2020-09-01)
      Article
      Accés obert
      Realitzat a/amb:   University of Warwick / Universidad de La Laguna / Universitat Christian Albrecht de Kiel
      We present a spectroscopic survey of 230 white dwarf candidates within 40 pc of the Sun from the William Herschel Telescope and Gran Telescopio Canarias. All candidates were selected from Gaia Data Release 2 (DR2) and in ...
    • Nucleosynthesis during the merger of white dwarfs and the origin of R Coronae Borealis stars 

      Longland, Richard Leigh; Lorén Aguilar, Pablo; José Pont, Jordi; García-Berro Montilla, Enrique; Althaus, Leandro Gabriel; Isern Vilaboy, Jordi (2011-08-20)
      Article
      Accés restringit per política de l'editorial
      Many hydrogen-deficient stars are characterized by surface abundance patterns that are hard to reconcile with conventional stellar evolution. Instead, it has been suggested that they may represent the result of a merger ...
    • Population synthesis study of the Gaia white dwarf population 

      Ferrer i Burjachs, Aina (Universitat Politècnica de Catalunya, 2021-07-13)
      Treball Final de Grau
      Accés obert
      We conduct a population synthesis study of the white dwarf population within 100pc from the Sun. Such simulations are based on a detailed Monte Carlo code, which provides synthetic samples of both single and binary stars ...