LOFT: the Large Observatory For X-ray Timing

M. Feroci J. W. Den Herder E. Bozzo D. Barret S. Brandt M. Hernanz M. Van Der Klis M. Pohl A. Santangelo L. Stella A. Watts J. Wilms S. Zane M. Ahangarianabhari A. Alpar D. Altamirano L. Alvarez L. Amati C. Amoros N. Andersson A. Antonelli A. Argan R. Artigue P. Azzarello G. Baldazzi S. Balman M. Barbera T. Belloni G. Bertuccio S. Bianchi A. Bianchini P. Bodin J. -M. Bonnet Bidaud S. Boutloukos J. Braga E. Brown N. Bucciantini L. Burderi M. Bursa C. Budtz-Jørgensen E. Cackett F. R. Cadoux Ph. Cais 1 G. A. Caliandro R. Campana S. Campana 2 P. Casella D. Chakrabarty J. Chenevez J. Coker 3 R. Cole A. Collura T. Courvoisier A. Cros A. Cumming G. Cusumano A. D'Aì V. D'Elia E. Del Monte D. De Martino A. De Rosa S. Di Cosimo S. Diebold T. Di Salvo I. Donnarumma A. Drago M. Durant 4 D. Emmanoulopoulos Y. Evangelista A. Fabian M. Falanga Y. Favre C. Feldman C. Ferrigno M. H. Finger G. W. Fraser F. Fuschino D. K. Galloway J. L. Galvez Sanchez E. Garcia-Berro B. Gendre S. Gezari A. B. Giles M. Gilfanov P. Giommi G. Giovannini M. Giroletti A. Goldwurm 5 D. Götz 6 C. Gouiffes 7, 6 M. Grassi P. Groot C. Guidorzi D. Haas F. Hansen D. H. Hartmann C. A. Haswe A. Heger J. Homan A. Hornstrup R. Hudec J. Huovelin A. Ingram J. J. M. In'T Zand J. Isern G. Israe L. Izzo P. Jonker P. Kaaret V. Karas D. Karelin D. Kataria L. Keek T. Kennedy D. Klochkov W. Kluzniak K. Kokkotas S. Korpela C. Kouveliotou I. Kreykenbohm L. M. Kuiper I. Kuvvetli C. Labanti D. Lai F. K. Lamb F. Lebrun 7, 8 D. Lin D. Linder G. Lodato F. Longo N. Lund T. J. Maccarone D. Macera D. Maier P. Malcovati V. Mangano 9 A. Manousakis M. Marisaldi A. Markowitz A. Martindale G. Matt I. M. Mchardy A. Melatos M. Mendez S. Migliari R. Mignani M. C. Miller J. M. Miller T. Mineo G. Miniutti S. Morsink C. Motch S. Motta M. Mouchet 8, 10 F. Muleri A. J. Norton M. Nowak P. O'Brien M. Orienti M. Orio 11 M. Orlandini P. Orleanski J. P. Osborne R. Osten F. Ozel L. Pacciani A. Papitto B. Paul 7 E. Perinati V. Petracek J. Portell J. Poutanen D. Psaltis D. Rambaud G. Ramsay M. Rapisarda A. Rachevski P. S. Ray N. Rea S. Reddy 12, 13 P. Reig M. Reina Aranda R. Remillard C. Reynolds P. Rodríguez-Gil J. Rodriguez 14, 15 P. Romano E. M. R. Rossi F. Ryde L. Sabau-Graziati G. Sala 16 R. Salvaterra 17 A. Sanna S. Schanne 7 J. Schee C. Schmid A. Schwenk A. D. Schwope J. -Y. Seyler A. Shearer A. Smith 18 D. M. Smith P. J. Smith V. Sochora P. Soffitta P. Soleri B. Stappers B. Stelzer N. Stergioulas G. Stratta T. E. Strohmayer Z. Stuchlik S. Suchy V. Sulemainov T. Takahashi F. Tamburini 19 C. Tenzer L. Tolos G. Torok J. M. Torrejon D. F. Torres A. Tramacere A. Trois S. Turriziani P. Uter P. Uttley A. Vacchi P. Varniere 8 S. Vaughan S. Vercellone V. Vrba D. Walton S. Watanabe R. Wawrzaszek N. Webb N. Weinberg H. Wende P. Wheatley R. Wijers R. Wijnands M. Wille C. A. Wilson-Hodge B. Winter K. Wood G. Zampa N. Zampa L. Zampieri A. Zdziarski B. Zhang
Abstract : The LOFT mission concept is one of four candidates selected by ESA for the M3 launch opportunity as Medium Size missions of the Cosmic Vision programme. The launch window is currently planned for between 2022 and 2024. LOFT is designed to exploit the diagnostics of rapid X-ray flux and spectral variability that directly probe the motion of matter down to distances very close to black holes and neutron stars, as well as the physical state of ultra-dense matter. These primary science goals will be addressed by a payload composed of a Large Area Detector (LAD) and a Wide Field Monitor (WFM). The LAD is a collimated (<1 degree field of view) experiment operating in the energy range 2-50 keV, with a 10 m^2 peak effective area and an energy resolution of 260 eV at 6 keV. The WFM will operate in the same energy range as the LAD, enabling simultaneous monitoring of a few-steradian wide field of view, with an angular resolution of <5 arcmin. The LAD and WFM experiments will allow us to investigate variability from submillisecond QPO's to year-long transient outbursts. In this paper we report the current status of the project.
Document type :
Conference papers
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder; Shiro Ueno. Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, Jul 2012, Amsterdam, Netherlands. SPIE, 8443, pp.85, 2012, Proceedings of SPIE. <10.1117/12.926310>


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M. Feroci, J. W. Den Herder, E. Bozzo, D. Barret, S. Brandt, et al.. LOFT: the Large Observatory For X-ray Timing. Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder; Shiro Ueno. Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, Jul 2012, Amsterdam, Netherlands. SPIE, 8443, pp.85, 2012, Proceedings of SPIE. <10.1117/12.926310>. <hal-00732888>

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