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Access to astronomical data through archives and VO is essential but does not solve all problems. Availability of appropriate software for analyzing the data is often equally important for the efficiency with which a researcher can publish…

Instrumentation and Methods for Astrophysics · Physics 2010-04-27 P. Grosbol , D. Tody

We have developed a low-cost off-the-shelf component star sensor (StarSense) for use in minisatellites and CubeSats to determine the attitude of a satellite in orbit. StarSense is an imaging camera with a limiting magnitude of 6.5, which…

Instrumentation and Methods for Astrophysics · Physics 2017-02-08 Mayuresh Sarpotdar , Joice Mathew , A. G. Sreejith , K. Nirmal , S. Ambily , Ajin Prakash , Margarita Safonova , Jayant Murthy

We have developed a method that maps large astronomical images onto a two-dimensional map and clusters them. A combination of various state-of-the-art machine learning (ML) algorithms is used to develop a fully unsupervised image quality…

Instrumentation and Methods for Astrophysics · Physics 2021-04-28 Hossen Teimoorinia , Sara Shishehchi , Ahnaf Tazwar , Ping Lin , Finn Archinuk , Stephen D. J. Gwyn , J. J. Kavelaars

The increasing number and complexity of planetary exploration space missions require new tools to access, visualize and analyse data to improve their scientific return. ASI Science Data Center (ASDC) addresses this request with the web-tool…

Instrumentation and Methods for Astrophysics · Physics 2016-03-18 Angelo Zinzi , Maria Teresa Capria , Ernesto Palomba , Paolo Giommi , Lucio Angelo Antonelli

The Kilo Degree Survey (KiDS) is a 1500 square degree optical imaging survey with the recently commissioned OmegaCAM wide-field imager on the VLT Survey Telescope (VST). A suite of data products will be delivered to the European Southern…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Jelte T. A. de Jong , Gijs A. Verdoes Kleijn , Konrad H. Kuijken , Edwin A. Valentijn , KiDS , Astro-WISE consortiums

Using the most recent releases of WISE and Planck data, we perform updated measurements of the bias and typical dark matter halo mass of infrared-selected obscured and unobscured quasars, using the angular autocorrelation function and…

Astrophysics of Galaxies · Physics 2016-01-13 M. A. DiPompeo , R. C. Hickox , A. D. Myers

We describe three real time data analysis systems implemented during the third phase of the OGLE survey (OGLE-III). The EWS system is designed to detect on-going microlensing events. The EEWS system monitors the microlensing phenomena for…

Astrophysics · Physics 2011-05-05 A. Udalski

Visualizing and navigating through large astronomy images from a remote location with current astronomy display tools can be a frustrating experience in terms of speed and ergonomics, especially on mobile devices. In this paper, we present…

Instrumentation and Methods for Astrophysics · Physics 2015-02-06 Emmanuel Bertin , Ruven Pillay , Chiara Marmo

The Virtual Observatory (VO) provides access to both, data and theory. Quality control is a general problem and the VO user needs partly some experience to judge the reliability of the VO products. As far as spectral analysis is concerned,…

Solar and Stellar Astrophysics · Physics 2011-11-24 Thomas Rauch , Ellen Ringat

We present the architecture, implementation, and on-sky validation of the fully automated acquisition and guiding system (AG) developed for the WEAVE instrument on the William Herschel Telescope. The AG operates in two distinct modes,…

Astronomy has a distinguished tradition of using technology to accelerate the quality and effectiveness of science, and data-intensive initiatives such as the Virtual Observatory lead the way amongst other fields of science. However,…

Astrophysics · Physics 2007-05-23 Ray P Norris

We present here a provenance management system adapted to astronomical projects needs. We collected use cases from various astronomy projects and defined a data model in the ecosystem developed by the IVOA (International Virtual Observatory…

We review some aspects of the current state of data-intensive astronomy, its methods, and some outstanding data analysis challenges. Astronomy is at the forefront of "big data" science, with exponentially growing data volumes and data…

Instrumentation and Methods for Astrophysics · Physics 2014-11-04 G. Longo , M. Brescia , S. G. Djorgovski , S. Cavuoti , C. Donalek

AstroCloud is a cyber-Infrastructure for Astronomy Research initiated by Chinese Virtual Observatory (China-VO) under funding support from NDRC (National Development and Reform commission) and CAS (Chinese Academy of Sciences). The ultimate…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Jian Xiao , Ce Yu , Chenzhou Cui , Boliang He , Changhua Li , Dongwei Fan , Zhi Hong , Shucheng Yin , Chuanjun Wang , Zihuang Cao , Yufeng Fan , Shanshan Li , Linying Mi , Wanghui Wan , Jianguo Wang , Hailong Zhang

We describe a system to measure the Quantum Efficiency in the wavelength range of 300 nm to 1100 nm of 40x40 mm n-channel CCD sensors for the construction of the 3.2 gigapixel LSST focal plane. The technique uses a series of instrument to…

Instrumentation and Methods for Astrophysics · Physics 2017-09-11 Rebecca Coles , James Chiang , David Cinabro , Justine Haupt , Ivan Kotov , Homer Neal , Andrei Nomerotski , Peter Takacs

The ASTRI Mini-Array is an international collaboration led by the Italian National Institute for Astrophysics (INAF), aiming to construct and operate an array of nine Imaging Atmospheric Cherenkov Telescopes (IACTs) to study gamma-ray…

The site conditions that make astronomical observatories in space and on the ground so desirable -- cold and dark -- demand a physical remoteness that leads to limited data transmission capabilities. Such transmission limitations directly…

Artificial Intelligence · Computer Science 2025-06-11 Tuan Truong , Rithwik Sudharsan , Yibo Yang , Peter Xiangyuan Ma , Ruihan Yang , Stephan Mandt , Joshua S. Bloom

STE-QUEST is a fundamental science mission which is considered for launch within the Cosmic Vision programme of the European Space Agency (ESA). Its main scientific objectives relate to probing various aspects of Einstein's theory of…

Instrumentation and Detectors · Physics 2014-12-31 Gerald Hechenblaikner , Marc-Peter Hess , Marianna Vitelli , Jan Beck

Data warehousing is continuously gaining importance as organizations are realizing the benefits of decision oriented data bases. However, the stumbling block to this rapid development is data quality issues at various stages of data…

Databases · Computer Science 2013-10-09 Vinay Kumar , Reema Thareja

Radio astronomical observations have very poor signal to noise ratios, unlike in other disciplines. On the other hand, it is possible to observe the object of interest for long time intervals as well as using a wider bandwidth.…

Astrophysics · Physics 2008-09-02 Sarod Yatawatta