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With the development of network and the World Wide Web (WWW), the Internet has been growing and changing dramatically. More and more on-line database systems and different kinds of services are available for astronomy research. How to help…

Astrophysics · Physics 2007-11-29 Chen-Zhou CUI , Hua-Ping SUN , Yong-Heng ZHAO , Yu LUO , Da-Zhi QI

We present a distributed system for storage, processing, three-dimensional visualisation and basic analysis of data from Earth-observing satellites. The database and the server have been designed for high performance and scalability,…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-11-17 Marek Szuba , Parinaz Ameri , Udo Grabowski , Jörg Meyer , Achim Streit

The U.S. Virtual Astronomical Observatory (VAO; http://www.us-vao.org/) has been in operation since May 2010. Its goal is to enable new science through efficient integration of distributed multi-wavelength data. This paper describes the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 G. Bruce Berriman , Robert J. Hanisch , T. Joseph W. Lazio , Alexander Szalay , Giussepina Fabbiano

We present the Data Quality Report Builder toolkit, DQRbuild, a suite of data quality tools that have been developed to vet gravitational-wave events in preparation for the fourth LIGO-Virgo-KAGRA observing run. We explain the main…

Nanosatellites are proliferating as low-cost dedicated sensing systems with lean development cycles. Kyushu Institute of Technology and collaborators have launched a joint venture for a nanosatellite mission, VERTECS. The primary mission is…

Instrumentation and Methods for Astrophysics · Physics 2024-08-28 Keenan A. A. Chatar , Ezra Fielding , Kei Sano , Kentaro Kitamura

We shall present with examples how analysis of astronomy data can be used for an educational purpose to train students in methods of data analysis, statistics, programming skills and research problems. Special reference will be made to our…

Physics Education · Physics 2022-01-05 Priya Hasan , S N Hasan

The VDFS comprises the system to pipeline process and archive the data from infrared observations taken by both the WFCAM instrument on UKIRT and the forthcoming VISTA telescope. These include the largest near-IR surveys to date, such as…

Astrophysics · Physics 2007-11-02 Nicholas Cross , Nigel Hambly , Ross Collins , Mike Read , Eckhard Sutorius

A public database of astrophysical (radio and other) catalogs (CATS), has been created at Special Astrophysical Observatory (SAO). It allows to execute a number of operations in batch or interactive mode, e.g. to obtain a list and…

This paper presents the first on-sky demonstration of speckle nulling, which was achieved at the Subaru Telescope in the context of the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) Project. Despite the absence of a high-order…

Across all disciplines that work with image data - from astrophysics to medical research and historic preservation - there is a growing need for efficient ways to browse and inspect large sets of high-resolution images. We present the…

We present Iris, the VAO (Virtual Astronomical Observatory) application for analyzing SEDs (spectral energy distributions). Iris is the result of one of the major science initiatives of the VAO, and the first version was released in…

Despite marked progress over the past several decades, convective storm nowcasting remains a challenge because most nowcasting systems are based on linear extrapolation of radar reflectivity without much consideration for other…

Atmospheric and Oceanic Physics · Physics 2019-11-01 Lei Han , Juanzhen Sun , Wei Zhang , Yuanyuan Xiu , Hailei Feng , Yinjing Lin

We release SVIRO, a synthetic dataset for sceneries in the passenger compartment of ten different vehicles, in order to analyze machine learning-based approaches for their generalization capacities and reliability when trained on a limited…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Steve Dias Da Cruz , Oliver Wasenmüller , Hans-Peter Beise , Thomas Stifter , Didier Stricker

A methodology for downscaling solar irradiation from satellite-derived databases is described using R software. Different packages such as raster, parallel, solaR, gstat, sp and rasterVis are considered in this study for improving solar…

Atmospheric and Oceanic Physics · Physics 2013-12-02 F. Antonanzas-Torres , F. J. Martínez de Pisón , J. Antonanzas , O. Perpiñán

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 Sloan Digital Sky Survey Science Archive is the first in a series of multi-Terabyte digital archives in Astronomy and other data-intensive sciences. To facilitate data mining in the SDSS archive, we adapted a commercial database engine…

Databases · Computer Science 2007-05-23 Aniruddha R. Thakar , Alexander S. Szalay , Peter Z. Kunszt , Jim Gray

We present details of improvements to data processing and analysis which were recently used for a re-reduction of the Very Large Array (VLA) Low-frequency Sky Survey (VLSS) data. Algorithms described are implemented in the data-reduction…

Instrumentation and Methods for Astrophysics · Physics 2012-05-22 W. M. Lane , W. D. Cotton , J. F. Helmboldt , N. E. Kassim

In 2020, ~60PB of archived data will be accessible to the astronomers. But to analyze such a paramount data will be a challenging task. This is basically due to the computational model used to download the data from complex geographically…

Instrumentation and Methods for Astrophysics · Physics 2018-11-16 Aruna Govada , Sanjay K. Sahay

Accurately determining resonance frequencies and quality factors (Q) is crucial in accelerator physics and radiofrequency engineering, as these factors have direct impacts on system design, operational stability, and research results. The…

Accelerator Physics · Physics 2025-10-08 Kerem Semiz

Nowadays, the increasing deployment of edge clouds globally provides users with low-latency services. However, connecting an edge cloud to a core cloud via optic cables in terrestrial networks poses significant barriers due to the…

Networking and Internet Architecture · Computer Science 2024-06-18 Zhiyuan Zhao , Zhe Chen , Zheng Lin , Wenjun Zhu , Kun Qiu , Chaoqun You , Yue Gao