中文
相关论文

相关论文: A Redistribution Tool for Long-Term Archive of Ast…

200 篇论文

Time series data of celestial objects are commonly used to study valuable and unexpected objects such as extrasolar planets and supernova in time domain astronomy. Due to the rapid growth of data volume, traditional manual methods are…

天体物理仪器与方法 · 物理学 2020-06-18 Ce Yu , Kun Li , Shanjiang Tang , Chao Sun , Bin Ma , Qing Zhao

The data volumes stored in telescope archives is constantly increasing due to the development and improvements in the instrumentation. Often the archives need to be stored over a distributed storage architecture, provided by independent…

天体物理仪器与方法 · 物理学 2022-02-07 Y. G. Grange , V. N. Pandey , X. Espinal , R. Di Maria , A. P. Millar

Data-intensive applications often require exploratory analysis of large datasets. If analysis is performed on distributed resources, data locality can be crucial to high throughput and performance. We propose a "data diffusion" approach…

分布式、并行与集群计算 · 计算机科学 2016-11-17 Ioan Raicu , Yong Zhao , Ian Foster , Alex Szalay

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…

人工智能 · 计算机科学 2025-06-11 Tuan Truong , Rithwik Sudharsan , Yibo Yang , Peter Xiangyuan Ma , Ruihan Yang , Stephan Mandt , Joshua S. Bloom

Astronomers are good at sharing data, but poorer at sharing knowledge. Almost all astronomical data ends up in open archives, and access to these is being simplified by the development of the global Virtual Observatory (VO). This is a great…

天体物理仪器与方法 · 物理学 2011-11-29 Norman Gray , Robert G Mann , Dave Morris , Mark Holliman , Keith Noddle

In time-domain astronomy, STLF (Short-Timescale and Large Field-of-view) sky survey is the latest way of sky observation. Compared to traditional sky survey who can only find astronomical phenomena, STLF sky survey can even reveal how short…

数据库 · 计算机科学 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , JiaMing Qiu , Kenan Liang , Yongjie Du , Zhiqiang Duan , Xiaobin Ma , Zhijian Fang

Advanced instruments in a variety of scientific domains are collecting massive amounts of data that must be post-processed and organized to support scientific research activities. Astronomers have been pioneers in the use of databases to…

天体物理学 · 物理学 2007-05-23 Y. Dora Cai , Ruth Aydt , Robert J. Brunner

Data intensive applications often involve the analysis of large datasets that require large amounts of compute and storage resources. While dedicated compute and/or storage farms offer good task/data throughput, they suffer low resource…

分布式、并行与集群计算 · 计算机科学 2008-08-27 Ioan Raicu , Yong Zhao , Ian Foster , Alex Szalay

A concept of the ground-based optical astronomical observations efficiency is considered in this paper. We believe that a telescope efficiency can be increased by properly allocating observation tasks with respect to the current environment…

天体物理仪器与方法 · 物理学 2018-06-26 Matwey V. Kornilov

Observatories are complex scientific and technical institutions serving diverse users and purposes. Their telescopes, instruments, software, and human resources engage in interwoven workflows over a broad range of timescales. These…

天体物理仪器与方法 · 物理学 2014-07-30 Robert L. Seaman , W. Thomas Vestrand , Frederic V. Hessman

The observing strategy of a galaxy survey influences the degree to which its resulting data can be used to accomplish any science goal. LSST is thus seeking metrics of observing strategies for multiple science cases in order to optimally…

天体物理仪器与方法 · 物理学 2021-04-19 Alex I. Malz , François Lanusse , John Franklin Crenshaw , Melissa L. Graham

In time-domain astronomy, we need to use the relational database to manage star catalog data. With the development of sky survey technology, the size of star catalog data is larger, and the speed of data generation is faster. So, in this…

数据库 · 计算机科学 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , Zhiqiang Duan , Yongjie Du

In the astronomical observation field, determining the allocation of observation resources of the telescope array and planning follow-up observations for targets of opportunity (ToOs) are indispensable components of astronomical scientific…

人工智能 · 计算机科学 2025-02-18 Yajie Zhang , Ce Yu , Chao Sun , Jizeng Wei , Junhan Ju , Shanjiang Tang

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…

天体物理仪器与方法 · 物理学 2018-11-16 Aruna Govada , Sanjay K. Sahay

Not only source catalogs are extracted from astronomy observations. Their sky coverage is always carefully recorded and used in statistical analyses, such as correlation and luminosity function studies. Here we present a novel method for…

天体物理仪器与方法 · 物理学 2014-03-20 Dongwei Fan , Tamás Budavári , Alexander S. Szalay , Chenzhou Cui , Yongheng Zhao

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.…

天体物理学 · 物理学 2008-09-02 Sarod Yatawatta

Astronomy relies heavily on time domain observations. To maximize the scientific yield of such observations, astronomers must carefully match the observational cadence to the phenomena of interest. This presents significant scheduling…

天体物理仪器与方法 · 物理学 2025-06-11 Jack Lubin , Erik A. Petigura , Velibor V. Mišić , Judah Van Zandt , Luke B. Handley

For the successful development of the astrophysics and, accordingly, for obtaining more complete knowledge of the Universe, it is extremely important to combine and comprehensively analyze information of various types (e.g., about charged…

分布式、并行与集群计算 · 计算机科学 2018-11-16 Alexander Kryukov , Andrey Demichev

The German-Russian Astroparticle Data Life Cycle Initiative is an international project launched in 2018. The Initiative aims to develop technologies that provide a unified approach to data management, as well as to demonstrate their…

分布式、并行与集群计算 · 计算机科学 2019-07-17 Alexander Kryukov , Minh-Duc Nguyen , Igor Bychkov , Andrey Mikhailov , Alexey Shigarov , Julia Dubenskaya

We describe the application of data mining algorithms to research problems in astronomy. We posit that data mining has always been fundamental to astronomical research, since data mining is the basis of evidence-based discovery, including…

天体物理仪器与方法 · 物理学 2009-11-04 Kirk Borne
‹ 上一页 1 2 3 10 下一页 ›