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Multiwavelength Studies of Microquasar GRS 1915 + 105
The microquasar GRS 1915 + 105 has shown spectacular variability and has been extensively studied in multiwavelengths during last few years. The... -
Visualisation Tools for Very Large Amounts of Data
Can we perceive a billion stars? How would you go about classifying them? How quantitatively good would your analysis be? How reliable would your... -
Federation and Fusion of Astronomical Information: Standards and Tools for the Virtual Observatories
We present a review of the current organization of astronomical archives and data centers in terms of data federation. We point the challenges faced,... -
Meeting the User Science Challenge for a Virtual Universe
The AstroGrid project, a core UK eScience programme, is rapidly implementing the UK’s contribution to the global drive towards the Virtual... -
The Astronomy Digital Library and the VO
The NASA Astrophysics Data System (ADS) is the central part of the Digital Library in Astronomy. It provides the users with a search system for the... -
Power Spectrum for the Distribution of Galaxies on the Sphere
A method of Gorski of calculation of the power spectrum for CMB for incomplete COBE data set is applied to the distribution of galaxies on the... -
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The World Space Observatory (WSO/UV) Archive: Requirements for Interoperation
The World Space Observatory (WSO/UV) is a space project for an ultraviolet telescope which has to fulfill the needs and scientific requirements of a... -
The Russian Virtual Observatory Project Insight
The main principles and approaches of the Russian Virtual Observatory (RVO) Project are described. -
Applicability of Emerging Resource Discovery Standards to the VO
The Virtual Observatory (VO) will be one of the first applications belonging to a new generation of network services which are commonly referred to... -
Visualizing and Analyzing Massive Astronomical Datasets with Partiview
Partiview is an advanced, real-time visualization tool for multi-dimensional datasets. Developed at NCSA, Partiview has cross-platform compatibility... -
Classification of Active Objects in the Multiwavelength Parametric Space
In this paper, we apply two algorithms for clustering analysis: support vector machines (SVMs) and learning vector quantization (LVQ) to classify... -
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Nineteenth and Twentieth Century Clouds Over the Twenty-First Century Virtual Observatory
Physical science has changed in the century since Lord Kelvin’s celebrated essay on Nineteenth Century Clouds over the Dynamical Theory of Heat and... -
Statistical Analysis of Observed and Simulated Surveys
The statistical analysis of large astronomical datasets requires also application of powerful fast codes and corresponding basic models. Some... -
Star-Forming Regions at High Resolution: Interferometry for Virtual Observatories
Star forming regions must be studied in 3-D with resolutions from milli-arcseconds to degrees, to understand the birth of stars and planets and the... -
ASTROVIRTEL: Tools and Operations
ASTROVIRTEL is a project supported by the European Commission and managed by the ST-ECF on behalf of ESA and ESO. It is aimed at enhancing the... -
The Master Catalogue of Stars Towards the Magellanic Clouds
The Master Catalogue of stars towards the Magellanic Clouds (MC2) is a multi-wavelength reference catalogue. We performed a systematic cross-matching... -
Massive Variability Search and Monitoring by OGLE and ASAS
OGLE and ASAS are long term observing projects operated by the Warsaw University Observatory at the Las Campanas site in Chile. OGLE is currently... -
The CATS Database as a Tool to Study Radio Sources
The CATS database unifies more than 350 catalogues mostly radio astronomical. It allows a user to execute over these data some operations including...