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The Large Observatory for X-ray Timing (LOFT)

2011; Springer Science+Business Media; Volume: 34; Issue: 2 Linguagem: Inglês

10.1007/s10686-011-9237-2

1572-9508

M. Feroci, L. Stella, M. van der Klis, T. J. L. Courvoisier, M. Hernanz, R. Hudec, A. Santangelo, D. Walton, A. A. Zdziarski, D. Barret, T. Belloni, J. Braga, S. Brandt, C. Budtz‐Jørgensen, S. Campana, J. W. den Herder, J. Huovelin, G. L. Israel, M. Pohl, Paul S. Ray, A. Vacchi, Silvia Zane, A. Argan, Primo Attinà, G. Bertuccio, E. Bozzo, R. Campana, Deepto Chakrabarty, E. Costa, Alessandra De Rosa, E. Del Monte, Sergio Di Cosimo, I. Donnarumma, Y. Evangelista, D. Haas, P. G. Jonker, Seppo A. Korpela, C. Labanti, P. Malcovati, R. Mignani, Fabio Muleri, M. Rapisarda, A. Rashevsky, N. Rea, A. Rubini, C. Tenzer, C. Wilson‐Hodge, B. Winter, K. S. Wood, G. Zampa, N. Zampa, M. A. Abramowicz, M. A. Alpar, D. Altamirano, J. M. Alvarez, L. Amati, C. Amoros, L. A. Antonelli, Romain Artigue, P. Azzarello, Matteo Bachetti, G. Baldazzi, Marco Barbera, C. Barbieri, S. Basa, A. Baykal, R. Bélmont, L. Boirin, V. Bonvicini, L. Burderi, Milan Burša, C. Cabanac, Edward M. Cackett, G. A. Caliandro, P. Casella, S. Chaty, J. Chenevez, M. J. Coe, A. Collura, A. Corongiu, S. Covino, G. Cusumano, F. D’Amico, S. Dall’Osso, D. de Martino, G. De Paris, G. Di Persio, T. Di Salvo, Chris Done, Michal Dovčiak, A. Drago, Ünal Ertan, Sergio Fabiani, M. Falanga, R. P. Fender, P. Ferrando, Desirée Della Monica Ferreira, G.W. Fraser, F. Frontera, F. Fuschino, J. L. Gálvez Sanchez, P. Gandhi, P. Giommi, O. Godet, E. Göğüş, A. Goldwurm, D. Götz, M. Grassi, P. Guttridge, Pasi Hakala, G. Henri, W. Hermsen, Jiří Horák, A. Hornstrup, J. J. M. in’t Zand, J. Isern, Emrah Kalemci, G. Kanbach, V. Karas, D. O. Kataria, T. Kennedy, D. Klochkov, W. Kluźniak, Kostas D. Kokkotas, I. Kreykenbohm, Julian H. Krolik, L. Kuiper, I. Kuvvetli, N. D. Kylafis, James M. Lattimer, F. Lazzarotto, D. A. Leahy, F. Lebrun, D. Lin, N. Lund, Thomas J. Maccarone, J. Malzac, M. Marisaldi, A. Martindale, M. Mastropietro, Jeffrey E. McClintock, I. McHardy, Mariano Méndez, S. Mereghetti, M. Coleman Miller, T. Mineo, E. Morelli, Sharon M. Morsink, C. Motch, S. Motta, T. Muñoz‐Darias, G. Naletto, V. Neustroev, J. Nevalainen, J. F. Olive, M. Orio, M. Orlandini, P. Orleański, Feryal Özel, L. Pacciani, S. Paltani, I. E. Papadakis, Alessandro Papitto, Alessandro Patruno, A. Pellizzoni, V. Petráček, J. Pétri, Pierre-Olivier Petrucci, Bernard F. Phlips, L. Picolli, Andrea Possenti, Dimitrios Psaltis, D. Rambaud, P. Reig, Ronald A. Remillard, J. Rodríguez, P. Romano, M. M. Romanova, T. Schanz, Christian Schmid, A. Segreto, A. Shearer, A. Smith, Phil Smith, P. Soffitta, Nikolaos Stergioulas, M. Stolarski, Zdeněk Stuchlík, A. Tiengo, D. F. Torres, Gabriel Török, R. Turolla, P. Uttley, S. Vaughan, S. Vercellone, Rens Waters, Anna L. Watts, R. Wawrzaszek, N. Webb, J. Wilms, L. Zampieri, A. Zezas, J. Ziółkowski,

Astrophysics and Cosmic Phenomena

High-time-resolution X-ray observations of compact objects provide direct access to strong-field gravity, to the equation of state of ultra-dense matter and to black hole masses and spins. A 10 m^2-class instrument in combination with good spectral resolution is required to exploit the relevant diagnostics and answer two of the fundamental questions of the European Space Agency (ESA) Cosmic Vision Theme "Matter under extreme conditions", namely: does matter orbiting close to the event horizon follow the predictions of general relativity? What is the equation of state of matter in neutron stars? The Large Observatory For X-ray Timing (LOFT), selected by ESA as one of the four Cosmic Vision M3 candidate missions to undergo an assessment phase, will revolutionise the study of collapsed objects in our galaxy and of the brightest supermassive black holes in active galactic nuclei. Thanks to an innovative design and the development of large-area monolithic Silicon Drift Detectors, the Large Area Detector (LAD) on board LOFT will achieve an effective area of ~12 m^2 (more than an order of magnitude larger than any spaceborne predecessor) in the 2-30 keV range (up to 50 keV in expanded mode), yet still fits a conventional platform and small/medium-class launcher. With this large area and a spectral resolution of <260 eV, LOFT will yield unprecedented information on strongly curved spacetimes and matter under extreme conditions of pressure and magnetic field strength.