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Related papers: VTXO: the Virtual Telescope for X-ray Observations

200 papers

The XO project aims at detecting transiting exoplanets around bright stars from the ground using small telescopes. The original configuration of XO (McCullough et al. 2005) has been changed and extended as described here. The instrumental…

Instrumentation and Methods for Astrophysics · Physics 2019-02-06 Nicolas Crouzet

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

ESPRESSO is the new high-resolution spectrograph of ESO's Very-Large Telescope (VLT). It was designed for ultra-high radial-velocity precision and extreme spectral fidelity with the aim of performing exoplanet research and fundamental…

VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis at milli-arcsecond angular resolution. VSI provides the VLTI…

Existing LiDAR 3D object detection methods predominantely rely on sparse convolutions and/or transformers, which can be challenging to run on resource-constrained edge devices, due to irregular memory access patterns and high computational…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Shizhong Han , Hsin-Pai Cheng , Hong Cai , Jihad Masri , Soyeb Nagori , Fatih Porikli

The International X-ray Observatory (IXO), a joint NASA-ESA-JAXA effort, will address fundamental and timely questions in astrophysics: What happens close to a black hole? How did supermassive black holes grow? How does large scale…

Instrumentation and Methods for Astrophysics · Physics 2010-01-15 Jay Bookbinder

The VOXES project's goal is to realize the first prototype of a high resolution and high precision X-ray spectrometer for diffused sources, using Highly Annealed Pyrolitic Graphite (HAPG) crystals combined with precision position detectors.…

Instrumentation and Detectors · Physics 2019-03-08 A. Scordo , H. Shi , C. Curceanu , M. Miliucci , F. Sirghi , J. Zmeskal

RISTRETTO is the evolution of the original idea of coupling the VLT instruments SPHERE and ESPRESSO \cite{lovis_2016a}, aiming at High Dispersion Coronagraphy. RISTRETTO is a visitor instrument that should enable the characterization of the…

Instrumentation and Methods for Astrophysics · Physics 2024-09-13 N. Blind , M. Shinde , I. Dinis , N. Restori , B. Chazelas , T. Fusco , O. Guyon , J. Kuehn , C. Lovis , P. Martinez , M. Motte , J. -F. Sauvage , A. Spang

On-orbit servicing (OOS), inspection of spacecraft, and active debris removal (ADR). Such missions require precise rendezvous and proximity operations in the vicinity of non-cooperative, possibly unknown, resident space objects. Safety…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Van Minh Nguyen , Emma Sandidge , Trupti Mahendrakar , Ryan T. White

The International Axion Observatory (IAXO) is a new generation axion helioscope aiming at a sensitivity to the axion-photon coupling of a few 10$^{12}$ GeV$^{-1}$, i.e. 1 - 1.5 orders of magnitude beyond the one currently achieved by CAST.…

High-time-resolution X-ray observations of compact objects provide direct access to strong field gravity, black hole masses and spins, and the equation of state of ultra-dense matter. LOFT, the large observatory for X-ray timing, is…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 R. P. Mignani , S. Zane , D. Walton , T. Kennedy , B. Winter , P. Smith , R. Cole , D. Kataria , A. Smith

The rapid development of X-ray astronomy has been made possible by widely deploying X-ray focusing telescopes on board many X-ray satellites. Geant4 is a very powerful toolkit for Monte Carlo simulations and has remarkable abilities to…

Instrumentation and Methods for Astrophysics · Physics 2017-03-29 Donghua Zhao , Chen Zhang , Weimin Yuan , Shuangnan Zhang , Richard Willingale , Zhixing Ling

Very low Earth orbits (VLEO), typically classified as orbits below approximately 450 km in altitude, have the potential to provide significant benefits to spacecraft over those that operate in higher altitude orbits. This paper provides a…

The Near Ultraviolet Transient Explorer (NUTEx) is a CubeSat-based near-ultraviolet (NUV) imaging payload designed for transient sky surveys and is currently under development. CubeSats are compact and cost-effective satellite platforms…

Instrumentation and Methods for Astrophysics · Physics 2025-12-17 Shubham Ghatul , Rekhesh Mohan , Jayant Murthy , Margarita Safonova , Praveen Kumar , Maheswar Gopinathan , Shubhangi Jain , Mahesh Babu S

The Constellation X-ray Mission is a high throughput X-ray facility emphasizing observations at high spectral resolution (E/\Delta E \sim 300-3000), and broad energy bandpass (0.25-40 keV). Constellation-X will provide a factor of nearly…

Astrophysics · Physics 2009-10-31 Azita Valinia , Nicholas White , Harvey Tananbaum , the Constellation-X Team

The Spectrometer/Telescope for Imaging X-rays (STIX) on board Solar Orbiter (SolO) provides a unique opportunity to systematically perform stereoscopic X-ray observations of solar flares with current and upcoming X-ray missions at Earth.…

X-ray emission from Young Stellar Objects (YSOs) is crucial to understand star formation. A very limited amount of X-ray results is available for the protostellar (ClassI) phase. A systematic search of transient X-ray phenomena combined…

The VLT Survey Telescope is a f/5.5 modified Ritchey-Chretien imaging telescope, which is being installed at the ESO-Paranal Observatory. It will provide a one square degree corrected field of view to perform survey-projects in the…

Instrumentation and Methods for Astrophysics · Physics 2010-09-15 Carmelo Arcidiacono , Roberto Ragazzoni , Gabriele Umbriaco , Jacopo Farinato , Demetrio Magrin

The compositions of diverse planetary bodies are of fundamental interest to planetary science, providing clues to the formation and evolutionary history of the target bodies and the Solar system as a whole. Utilizing the X-ray fluorescence…

Earth and Planetary Astrophysics · Physics 2016-03-23 Jaesub Hong , Suzanne Romaine , the MiXO team

The Microchannel X-ray Telescope (MXT) is one of four instruments on the Space-based multi-band astronomical Variable Objects Monitor (SVOM) satellite mission, launched on the 22nd June 2024. The MXT is a narrow-field-optimised, lobster eye…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Charly Feldman , James Pearson , Gillian Butcher , Richard Willingale , Paul O'Brien , Julian Osborne , Karine Mercier , Jean-Michel Le Duigou , Diego Gotz