ESTREMO/WFXRT: Extreme phySics in the TRansient and Evolving COsmos

Luigi Piro, Lorenzo Amati, Marco Barbera, Stefano Borgani, Angela Bazzano, Enzo Branchini, G. Brunetti, Sergio Campana, Ezio Caroli, Massimo Cocchi, Sergio Colafrancesco, Luca Colasanti, Alessandra Corsi, Enrico Costa, Giancarlo Cusumano, Melania Del Santo, Jan Willem Den Herder, Alessandra De Rosa, Guido Di Cocco, Stefano EttoriMarco Feroci, Fabrizio Fiore, Roberto Fusco-Femiano, Massimiliano Galeazzi, Alessandra Galli, Flavio Garti, Bruce Gendre, Luigi Guzzo, Wim Hermsen, Jean In't Zand, Jelle Kaastra, Giovanni La Rosa, Claudio Labanti, Mario Marisaldi, Pasquale Mazzotta, Teresa Mineo, Silvano Molendi, Lauro Moscardini, Lorenzo Natalucci, Fabrizio Nicastro, Giovanni Pareschi, Elena Pian, E. Quadrini, Mauro Roncarelli, Jaap Shaye, Gianpiero Tagliaferri, Paolo Tozzi, Pietro Ubertini, Eugenio Ursino, Matteo Viel

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations


We present a mission designed to address two main themes of the ES A Cosmic Vision Programme: the Evolution of the Universe and its Violent phenomena. ESTREMO/WFXRT is based on innovative instrumental and observational approaches, out of the mainstream of observatories of progressively increasing area, i.e.: Observing with fast reaction transient sources, like GRB, at their brightest levels, thus allowing high resolution spectroscopy. Observing and surveying through a X-ray telescope with a wide field of view and with high sensitivity extended sources, like cluster and Warm Hot Intragalactic Medium (WHIM). ESTREMO/WFXRT will rely on two cosmological probes: GRB and large scale X-ray structures. This will allow measurements of the dark energy, of the missing baryon mass in the local universe, thought to be mostly residing in outskirts of clusters and in hot filaments (WHIM) accreting onto dark matter structures, the detection of first objects in the dark Universe, the history of metal formation. The key asset of ESTREMO/WFXRT with regard to the study of Violent Universe is the capability to observe the most extreme objects of the Universe during their bursting phases. The large flux achieved in this phase allows unprecedented measurements with high resolution spectroscopy. The mission is based on a wide field X-ray/hard X-ray monitor, covering >l/4 of the sky, to localize transients; fast (min) autonomous follow-up with X-ray telescope (2000 cm2) equipped with high resolution spectroscopy transition edge (TES) microcalorimeters (2eV resolution below 2 keV) and with a wide field (1°) for imaging with 10" resolution (CCD) extended faint structures and for cluster surveys. A low background is achieved by a 600 km equatorial orbit. The performances of the mission on GRB and their use as cosmological beacons are presented and discussed.

Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation II
Subtitle of host publicationUltraviolet to Gamma Ray
ISBN (Print)0819463310, 9780819463319
StatePublished - 2006
EventSpace Telescopes and Instrumentation II: Ultraviolet to Gamma Ray - Orlando, FL, United States
Duration: May 24 2006May 31 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6266 I
ISSN (Print)0277-786X


ConferenceSpace Telescopes and Instrumentation II: Ultraviolet to Gamma Ray
Country/TerritoryUnited States
CityOrlando, FL


  • Clusters of galaxies
  • Cosmology
  • Gamma-Ray Bursts
  • X-ray instruments


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