• Pulsar navigation 

      Sala Álvarez, José; Urruela Planas, Andreu; Villares Piera, Nemesio Javier; Romeu Robert, Jordi; Blanch Boris, Sebastián; Estalella Boadella, Robert; Paredes, J. M. (European Space Agency (ESA), 2008-12-31)
      Article
      Accés restringit per política de l'editorial
      This paper evaluates the fundamental performance bounds, signal processing and technological complexity associated with the synchronization to radio and X-ray pulsars as well as its impact on the positioning accuracy of ...
    • The Neutron Star Population in M28: A Joint Chandra/GBT Look at Pulsar Paradise 

      Vurgun, Eda; Linares Alegret, Manuel; Ransom, Scott; Papitto, Alessandro; Bogdanov, Slavko; Bozzo, Enrico; Rea, Nanda; García Senz, Domingo; Freire, Paulo; Stairs, Ingrid (Institute of Physics (IOP), 2022-12-01)
      Article
      Accés obert
      We present the results of a deep study of the neutron star (NS) population in the globular cluster M28 (NGC 6626), using the full 330 ks 2002–2015 ACIS data set from the Chandra X-ray Observatory and coordinated radio ...
    • The XMM-Newton/2dF survey - II. The nature of X-ray-faint optically bright X-ray sources 

      Georgakakis, Antonis; Georgantopoulos, Ioannis; Vallbé Mumbrú, Marc; Kolokotronis, Vaggelis; Basilakos, Spyros; Plionis, Manolis; Stewart, Gordon C.; Shanks, Tom; Boyle, Brian J. (Oxford University Press, 2004-03-21)
      Article
      Accés obert
      In this paper we investigate the properties of low X-ray-to-optical flux ratio sources detected in a wide area (2.5deg^2) shallow (f(0.5-8keV)~10e-14cgs) XMM-Newton survey. We find a total of 26 sources (5% of the total ...