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In this paper, a novel cooperation-aided localization and tracking approach, suitable for terahertz (THz) wireless systems is presented. It combines an angle of arrival (AoA) tracking algorithm with the two-way time of arrival method, in…

Signal Processing · Electrical Eng. & Systems 2019-10-21 Giorgos Stratidakis , Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

ESA's Gaia space astrometry mission is performing an all-sky survey of stellar objects. At the beginning of the nominal mission in July 2014, an operation scheme was adopted that enabled Gaia to routinely acquire observations of all stars…

Instrumentation and Methods for Astrophysics · Physics 2016-10-12 J. Sahlmann , J. Martín-Fleitas , A. Mora , A. Abreu , C. M. Crowley , E. Joliet

We present TA-DA, a new software aimed at greatly simplify and improve the analysis of stellar photometric data in comparison with theoretical models, and allow the derivation of stellar parameters from multi-band photometry. Its…

Solar and Stellar Astrophysics · Physics 2015-06-11 Nicola Da Rio , Massimo Robberto

The era of high-precision astrometry has dawned upon us. The potential of Gaia $\mu$as-level precision in positional measurements is about to be unleashed in the field of extrasolar planetary systems. The Gaia data hold the promise for much…

Earth and Planetary Astrophysics · Physics 2015-02-13 A. Sozzetti

We explore the prospects of detecting of Galactic double white dwarf (DWD) binaries with the space-based gravitational wave (GW) observatory TianQin. In this work, we analyze both a sample of currently known DWDs and a realistic synthetic…

High Energy Astrophysical Phenomena · Physics 2020-09-25 Shun-Jia Huang , Yi-Ming Hu , Valeriya Korol , Peng-Cheng Li , Zheng-Cheng Liang , Yang Lu , Hai-Tian Wang , Shenghua Yu , Jianwei Mei

To meet the demands for ubiquitous communication and temporary edge computing in 6G networks, aerial mobile edge computing (MEC) networks have been envisioned as a new paradigm. However, dynamic user requests pose challenges for task…

Networking and Internet Architecture · Computer Science 2024-10-29 Xin Tang , Qian Chen , Rong Yu , Xiaohuan Li

The Cherenkov Telescope Array (CTA) is the next generation ground-based $\gamma$-ray observatory. It will provide an order of magnitude better sensitivity and an extended energy coverage, 20 GeV - 300 TeV, relative to current Imaging…

High Energy Astrophysical Phenomena · Physics 2018-01-22 T. Hassan , A. Domínguez , J. Lefaucheur , D. Mazin , S. Pita , A. Zech

The Cherenkov Telescope Array (CTA), a ground-based facility for very-high-energy (VHE) gamma-ray astronomy, will operate as an open observatory, serving a wide scientific community to explore and to study the non-thermal universe. Open…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Jürgen Knödlseder , Volker Beckmann , Catherine Boisson , Sylvie Brau-Nogué , Christoph Deil , Bruno Khélifi , Michael Mayer , Roland Walter

The time domain has been identified as one of the most important areas of astronomical research for the next decade. The Virtual Observatory is in the vanguard with dedicated tools and services that enable and facilitate the discovery,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Matthew J. Graham , S. G. Djorgovski , Ciro Donalek , Andrew J. Drake , Ashish A. Mahabal , Raymond L. Plante , Jeffrey Kantor , John C. Good

The Square Kilometre Array (SKA) Observatory is gearing up the formal construction of its two radio interferometers in Australia and South Africa after the end of design and pre-construction phases. Agile methodologies, the Cloud native…

In this paper we describe our efforts to bring scientific data into the digital library. This has required extension of the standard WWW, and also the extension of metadata standards far beyond the Dublin Core. Our system demonstrates this…

Digital Libraries · Computer Science 2007-05-23 Robert E. McGrath , Joe Futrelle , Ray Plante , Damien Guillaume

Since 2004, the Keck Observatory Archive (KOA) has operated as a NASA-funded collaboration between the NASA Exoplanet Science Institute ( NExScI) and the W.M. Keck Observatory. It ingests and serves all data acquired by the twin 10-meter…

Instrumentation and Methods for Astrophysics · Physics 2026-02-11 G. Bruce Berriman , Min Phone Myat Zaw

Since mid 2014 Gaia mission delivers daily millions of observations of the whole sky. Among them we search for transient events, e.g., supernovae, microlensing events, cataclysmic variables, etc. In my talk I describe the near-real-time…

Instrumentation and Methods for Astrophysics · Physics 2016-01-15 Łukasz Wyrzykowski

The Gaia Early Data Release 3 (Gaia EDR3) contains results derived from 78 billion individual field-of-view transits of 2.5 billion sources collected by the European Space Agency's Gaia mission during its first 34 months of continuous…

INAF Trieste Astronomical Observatory (OATs) has a long tradition in information technology applied to Astronomical and Astrophysical use cases, particularly for what regards computing for data reduction, analysis and simulations; data and…

Instrumentation and Methods for Astrophysics · Physics 2019-12-12 S. Bertocco , D. Goz , L. Tornatore , A. Ragagnin , G. Maggio , F. Gasparo , C. Vuerli , G. Taffoni , M. Molinaro

In contemporary astronomy and astrophysics (A&A), the integration of high-performance computing (HPC), big data analytics, and artificial intelligence/machine learning (AI/ML) has become essential for advancing research across a wide range…

ESASky is a new science-driven discovery portal for all ESA astronomical missions that gives users worldwide a simplified access to high-level science-ready products from ESA and other data providers. The tool features a sky exploration…

Theia is an astrometric mission proposed to ESA in 2014 for which one of the scientific objectives is detecting Earth-like exoplanets in the habitable zone of nearby solar-type stars. This objective requires the capability to measure…

Ground-based gamma-ray astronomy has experienced a major breakthrough in the last decade thanks to the advent of new generation instruments such as H.E.S.S., MAGIC, Milagro and VERITAS. A large variety of cosmic particle accelerators has…

High Energy Astrophysical Phenomena · Physics 2011-10-11 Jürgen Knödlseder

Departing from the classic paradigm of data-centric designs, the 6G networks for supporting edge AI features task-oriented techniques that focus on effective and efficient execution of AI task. Targeting end-to-end system performance, such…

Information Theory · Computer Science 2022-11-03 Dingzhu Wen , Xiang Jiao , Peixi Liu , Guangxu Zhu , Yuanming Shi , Kaibin Huang