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The Wide Field X-Ray Telescope (WFXT) is a medium-class mission designed to be 2-orders-of-magnitude more sensitive than any previous or planned X-ray mission for large area surveys and to match in sensitivity the next generation of…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-01 P. Rosati , S. Borgani , R. Gilli , M. Paolillo , P. Tozzi , S. Murray , R. Giacconi , A. Ptak , M. Weisskopf , W. Forman , C. Jones , the WFXT Team

The Wide Field X-ray Telescope (WFXT) is a proposed mission with a high survey speed, due to the combination of large field of view (FOV) and effective area, i.e. grasp, and sharp PSF across the whole FOV. These characteristics make it…

I present the science goals and give a brief summary of the Wide Angle X-ray survey with a Wide Field X-ray Telescope (WAXS/WFXT) mission proposal (Phase A) which will be submitted to the Italian Space Agency (ASI) following the call for…

Astrophysics · Physics 2007-05-23 Guido Chincarini

Star forming galaxies represent a small yet sizable fraction of the X-ray sky (1%-20%, depending on the flux). X-ray surveys allow to derive their luminosity function and evolution, free from uncertainties due to absorption. However, much…

Instrumentation and Methods for Astrophysics · Physics 2010-05-03 Piero Ranalli

I will highlight and discuss some of the studies of the stellar population in the Galaxy that will become possible with or will greatly advantage of the capability of a Wide Field of view X-ray Telescope (WFXT) mission. This mission…

High Energy Astrophysical Phenomena · Physics 2010-11-29 S. Sciortino

We investigate the scientific impact of the Wide Field X-ray Telescope mission. We present simulated images and spectra of X-ray sources as observed from the three surveys planned for the nominal 5-year WFXT lifetime. The goal of these…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-01 P. Tozzi , J. Santos , H. Yu , A. Bignamini , P. Rosati , S. Borgani , S. Campana , P. Conconi , R. Gilli , M. Paolillo , A. Ptak , the WFXT Team

The Wide Field Survey Telescope (WFST) is a dedicated photometric surveying facility being built jointly by the University of Science and Technology of China and the Purple Mountain Observatory. It is equipped with a 2.5-meter diameter…

As the time-domain survey telescope of the highest survey power in the northern hemisphere currently, Wide Field Survey Telescope (WFST) is scheduled to hourly/daily/semi-weekly scan northern sky up to ~23 mag in four optical (ugri) bands.…

The Wide Field X-ray Telescope (WFXT) will provide tens of millions of AGN, with more than 4x10^5 expected at z>3. Here we review the issues present in the identification of (large) samples of faint and high-redshift X-ray sources, and…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-01 Marcella Brusa , Roberto Gilli , Francesca Civano , Andrea Comastri , Fabrizio Fiore , Cristian Vignali

Sensitive, wide-area X-ray surveys which would be possible with the WFXT will detect huge samples of virialized objects spanning the mass range from sub-groups to the most massive clusters, and extending in redshift to beyond z=2. These…

X-ray mirrors are usually built in the Wolter I (paraboloid-hyperboloid) configuration. This design exhibits no spherical aberration on-axis but suffers from field curvature, coma and astigmatism, therefore the angular resolution degrades…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 P. Conconi , S. Campana , G. Tagliaferri , G. Pareschi , O. Citterio , V. Cotroneo , L. Proserpio , M. Civitani

Wide Field Survey Telescope (WFST), with a powerful sky survey capability in the northern hemisphere, will play an important role in asteroid searching and monitoring. However, WFST is not a telescope dedicated to near-Earth asteroids…

Earth and Planetary Astrophysics · Physics 2025-02-21 Jun-Qiang Lu , Lu-Lu Fan , Min-Xuan Cai , Shao-Han Wang , Bing-Xue Fu , Xu Kong , Qing-Feng Zhu

We present the Near-Ultraviolet eXplorer (NUX), which will consist out of 4 small (36 cm diameter) ground-based telescopes that are optimized for the shortest wavelengths that are detectable from Earth (i.e., the near-UV [NUV] wavelength…

Instrumentation and Methods for Astrophysics · Physics 2024-09-23 Rudy Wijnands , Steven Bloemen , Rasjied Sloot , Rik ter Horst , Andre Young , Mattijs Bakker , Paul Groot , Paul Vreeswijk

The NeXT mission has been proposed to study high-energy non-thermal phenomena in the universe. The high-energy response of the super mirror will enable us to perform the first sensitive imaging observations up to 80 keV. The focal plane…

The Nuclear Spectroscopic Telescope Array (NuSTAR) is a NASA Small Explorer mission that will carry the first focusing hard X-ray (5 -- 80 keV) telescope to orbit. NuSTAR will offer a factor 50 -- 100 sensitivity improvement compared to…

I highlight the synergies of the Wide Field X-ray Telescope (WFXT) with the next generation radio surveys, including those to be obtained with the Australian Square Kilometre Array Pathfinder and the Square Kilometre Array, and discuss the…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-27 P. Padovani

Expected to be of the highest survey power telescope in the northern hemisphere, the Wide Field Survey Telescope (WFST) will begin its routine observations of the northern sky since 2023. WFST will produce a lot of scientific data to…

Instrumentation and Methods for Astrophysics · Physics 2023-09-26 Lei Lei , Qing-Feng Zhu , Xu Kong , Ting-Gui Wang , Xian-Zhong Zheng , Dong-Dong Shi , Lu-Lu Fan , Wei Liu

The Nuclear Spectroscopic Telescope Array (NuSTAR) mission, launched on 13 June 2012, is the first focusing high-energy X-ray telescope in orbit. NuSTAR operates in the band from 3 -- 79 keV, extending the sensitivity of focusing far beyond…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Fiona A. Harrison , William W. Craig , Finn E. Christensen , Charles J. Hailey , Will W. Zhang , Steven E. Boggs , Daniel Stern , W. Rick Cook , Karl Forster , Paolo Giommi , Brian W. Grefenstette , Yunjin Kim , Takao Kitaguchi , Jason E Koglin , Kristin K. Madsen , Peter H. Mao , Hiromasa Miyasaka , Kaya Mori , Matteo Perri , Michael J. Pivovaroff , Simonetta Puccetti , Vikram R. Rana , Niels J. Westergaard , Jason Willis , Andreas Zoglauer , Hongjun An , Matteo Bachetti , Nicolas M. Barriere , Eric C. Bellm , Varun Bhalerao , Nicolai F. Brejnholt , Felix Fuerst , Carl C. Liebe , Craig B. Markwardt , Melania Nynka , Julia K. Vogel , Dominic J. Walton , Daniel R. Wik , David M. Alexander , Lynn R. Cominsky , Ann E. Hornschemeier , Allan Hornstrup , Victoria M. Kaspi , Greg M. Madejski , Giorgio Matt , Silvano Molendi , David M. Smith , John A. Tomsick , Marco Ajello , David R. Ballantyne , Mislav Balokovic , Diddier Barret , Franz E. Bauer , Roger D. Blandford , W. Niel Brandt , Laura W. Brenneman , James Chiang , Deepto Chakrabarty , Jerome Chenevez , Andrea Comastri , Martin Elvis , Andrew C. Fabian , Duncan Farrah , Chris L. Fryer , Eric V. Gotthelf , Jonathan E. Grindlay , David J. Helfand , Roman Krivonos , David L. Meier , Jon M. Miller , Lorenzo Natalucci , Patrick Ogle , Eran O. Ofek , Andrew Ptak , Stephen P. Reynolds , Jand R. Rigby , Gianpiero Tagliaferri , Stephen E. Thorsett , Ezequiel Treister , C. Megan Urry

Fast X-ray transients (FXTs) are flashes of X-rays that last for a few hundreds of seconds to a few hours. An enigmatic population of these transients that did not have a clear origin has been known for several decades, mostly found…

High Energy Astrophysical Phenomena · Physics 2026-01-22 Murray Brightman , Joahan Castañeda Jaimes , Daniel Stern , Brian Grefenstette

The Wide-Field InfraRed Survey Telescope (WFIRST) is a NASA space mission in study for launch in 2024. It has a 2.4 m telescope, wide-field IR instrument operating in the 0.7 - 2.0 micron range and an exoplanet imaging coronagraph…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Neil Gehrels , David N. Spergel
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