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

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The VLT Survey Telescope (VST) ATLAS is an optical ugriz survey aiming to cover ~4700deg^2 of the Southern sky to similar depths as the Sloan Digital Sky Survey (SDSS). From reduced images and object catalogues provided by the Cambridge…

The Space-based multi-band astronomical Variable Objects Monitor (SVOM) mission was launched in June 2024. It is a joint Sino-French collaboration designed to detect, localize, and study gammaray bursts (GRBs) and other high-energy…

Instrumentation and Methods for Astrophysics · Physics 2026-04-28 P. Maggi , L. Michel , D. Gotz , S. Crepaldi , A. Fort , L. Kleiver , A. Lorang , K. Mercier , M. Moita , P. Guillout , C. Motch , F. Robinet , A. Sauvageon

High-energy astrophysics is a relatively young scientific field, made possible by space-borne telescopes. During the half-century history of x-ray astronomy, the sensitivity of focusing x-ray telescopes-through finer angular resolution and…

The International X-Ray Observatory (IXO) will address fundamental questions in astrophysics, including "When did the first SMBH form? How does large scale structure evolve? What happens close to a black hole? What is the connection between…

The Visible and Infrared Survey Telescope for Astronomy (VISTA) is the 4-metre wide-field survey telescope at ESO's Paranal Observatory, equipped with the world's largest near-infrared imaging camera (VISTA IR Camera, VIRCAM), with 1.65…

VTX is an open-source molecular visualization software designed to overcome the scaling limitations of existing real-time molecular visualization software when handling massive molecular datasets. VTX employs a meshless molecular graphics…

The Gravitational-wave Optical Transient Observer (GOTO) is a wide-field telescope project focused on detecting optical counterparts to gravitational-wave sources. GOTO uses arrays of 40 cm unit telescopes (UTs) on a shared robotic mount,…

Blazars are highly variable sources over timescales that can be as low as minutes. This is the case of the High Energy Peaked BL Lac (HBL) objects showing strong variability in X-rays, which highly correlate with that of the TeV emission.…

High Energy Astrophysical Phenomena · Physics 2015-06-17 I. Donnarumma , A. Tramacere , S. Turriziani , L. Costamante , R. Campana , A. De Rosa , E. Bozzo

Fluid flow through intricate confining geometries often exhibits complex behaviors, certainly in porous materials, e.g. in groundwater flows or the operation of filtration devices and porous catalysts. However, it has remained extremely…

3D object detectors usually rely on hand-crafted proxies, e.g., anchors or centers, and translate well-studied 2D frameworks to 3D. Thus, sparse voxel features need to be densified and processed by dense prediction heads, which inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yukang Chen , Jianhui Liu , Xiangyu Zhang , Xiaojuan Qi , Jiaya Jia

Improving angular resolution is one of X-ray astronomy's big challenges. While X-ray interferometry should eventually vastly improve broad-band angular resolution, in the near-term, X-ray telescopes will sacrifice angular resolution for…

Astrophysics · Physics 2007-05-23 Craig J. Copi , Glenn D. Starkman

Dark halo substructure may reveal itself through secondary, small-scale gravitational lensing effects on light sources that are macrolensed by a foreground galaxy. Here, we explore the prospects of using Very Long Baseline Interferometry…

Despite the rapid advancement of object detection algorithms, processing high-resolution images on embedded devices remains a significant challenge. Theoretically, the fully convolutional network architecture used in current real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Sangjune Shin , Dongkun Shin

Detecting vulnerable road users (VRUs), particularly children and adolescents, in low light and adverse weather conditions remains a critical challenge in computer vision, surveillance, and autonomous vehicle systems. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Abdullah Jirjees , Ryan Myers , Muhammad Haris Ikram , Mohamed H. Zaki

The VITRUV project has the objective to deliver milli-arcsecond spectro-images of the environment of compact sources like young stars, active galaxies and evolved stars to the community. This instrument of the VLTI second generation based…

Aims: We computed a celestial reference frame (CRF) from Very Long Baseline Interferometry (VLBI) Global Observing System (VGOS) data after five years of regular observations (155 multi-baseline 24-hour VGOS sessions until 2024.0). In this…

Instrumentation and Methods for Astrophysics · Physics 2024-11-25 Hana Krasna , Christopher S. Jacobs , Matthias Schartner , Patrick Charlot

We review some of the scientific opportunities and technical challenges posed by the exploration of the large digital sky surveys, in the context of a Virtual Observatory (VO). The VO paradigm will profoundly change the way observational…

The SXI telescope is one of the three instruments on board EXIST, a multiwavelength observatory in charge of performing a global survey of the sky in hard X-rays searching for Supermassive Black Holes. One of the primary objectives of EXIST…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 L. Natalucci , A. Bazzano , S. Campana , P. Caraveo , R. Della Ceca , J. E. Grindlay , F. Panessa , G. Pareschi , B. Ramsey , G. Tagliaferri , P. Ubertini , G. Villa

This paper proposes an efficient, low-complexity and anchor-free object detector based on the state-of-the-art YOLO framework, which can be implemented in real time on edge computing platforms. We develop an enhanced data augmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Shihan Liu , Junlin Zha , Jian Sun , Zhuo Li , Gang Wang
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