English
Related papers

Related papers: Astronomical Data Fusion Tool Based on PostgreSQL

200 papers

Upcoming and future astronomy research facilities will systematically generate terabyte-sized data sets moving astronomy into the Petascale data era. While such facilities will provide astronomers with unprecedented levels of accuracy and…

Instrumentation and Methods for Astrophysics · Physics 2011-11-30 A. H. Hassan , C. J. Fluke , D. G. Barnes

Gravitational wave (GW) astronomy has opened new frontiers in understanding the cosmos, while the integration of artificial intelligence (AI) in science promises to revolutionize data analysis methodologies. However, a significant gap…

General Relativity and Quantum Cosmology · Physics 2025-04-28 Tianyu Zhao , Yue Zhou , Ruijun Shi , Zhoujian Cao , Zhixiang Ren

Astronomical observations already produce vast amounts of data through a new generation of telescopes that cannot be analyzed manually. Next-generation telescopes such as the Large Synoptic Survey Telescope and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2019-10-09 Giuseppe Longo , Erzsébet Merényi , Peter Tino

The detection and characterisation of extra-solar planets is a major theme driving modern astronomy, with the vast majority of such measurements being achieved by Doppler radial-velocity and transit observations. Another technique -- direct…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Barnaby Norris , Nick Cvetojevic , Simon Gross , Nemanja Jovanovic , Paul N. Stewart , Ned Charles , Jon S. Lawrence , Michael J. Withford , Peter Tuthill

Gamma-ray astronomy is able to acquire large data volumes that astronomers use to draw scientific conclusions from. Ensuring the possibility of accessing and utilizing this data also after the lifetime of currently running experiments…

Instrumentation and Methods for Astrophysics · Physics 2025-12-01 C. P. Walther , C. Nigro , D. Elsässer , W. Rhode

The analysis and an efficient scientific exploration of the Digital Palomar Observatory Sky Survey (DPOSS) represents a major technical challenge. The input data set consists of 3 Terabytes of pixel information, and contains a few billion…

Astrophysics · Physics 2015-06-24 S. G. Djorgovski , R. R. de Carvalho , S. C. Odewahn , R. R. Gal , J. Roden , P. Stolorz , A. Gray

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…

Instrumentation and Methods for Astrophysics · Physics 2014-03-20 Dongwei Fan , Tamás Budavári , Alexander S. Szalay , Chenzhou Cui , Yongheng Zhao

In various astronomical projects it is crucial to have coordinates indexed tables. All sky optical and IR catalogues have up to 1 billion objects that will increase with forthcoming projects. Also partial sky surveys at various wavelengths…

Astrophysics · Physics 2007-12-03 Luciano Nicastro , Giorgio Calderone

We describe and compare several post-correlation radio frequency interference classification methods. As data sizes of observations grow with new and improved telescopes, the need for completely automated, robust methods for radio frequency…

Instrumentation and Methods for Astrophysics · Physics 2010-07-14 A. R. Offringa , A. G. de Bruyn , M. Biehl , S. Zaroubi , G. Bernardi , V. N. Pandey

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…

Instrumentation and Methods for Astrophysics · Physics 2018-06-26 Matwey V. Kornilov

With the volume and availability of astronomical data growing rapidly, astronomers will soon rely on the use of machine learning algorithms in their daily work. This proceeding aims to give an overview of what machine learning is and delve…

Instrumentation and Methods for Astrophysics · Physics 2025-08-06 Sara A. Webb , Simon R. Goode

The ever-growing datasets in observational astronomy have challenged scientists in many aspects, including an efficient and interactive data exploration and visualization. Many tools have been developed to confront this challenge. However,…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 W. Yu , M. Carrasco Kind , R. J. Brunner

Currently, numerous remote sensing satellites provide a huge volume of diverse earth observation data. As these data show different features regarding resolution, accuracy, coverage, and spectral imaging ability, fusion techniques are…

Image and Video Processing · Electrical Eng. & Systems 2018-10-29 Hossein Bagheri , Michael Schmitt , Pablo d'Angelo , Xiao Xiang Zhu

Classification is valuable and necessary in spectral analysis, especially for data-driven mining. Along with the rapid development of spectral surveys, a variety of classification techniques have been successfully applied to astronomical…

Instrumentation and Methods for Astrophysics · Physics 2022-12-20 Haifeng Yang , Lichan Zhou , Jianghui Cai , Chenhui Shi , Yuqing Yang , Xujun Zhao , Juncheng Duan , Xiaona Yin

The timing (cross-)calibration of astronomical instruments is often done by comparing pulsar times-of-arrival (TOAs) to a reference timing model. In high-energy astronomy, the choice of solar system ephemerides and source positions used to…

Most tools for astrophysical research was centered on visual display. Even after some studies shows that the use of sound could help the data analysis, and on the other hand generate more accessibility. This fact motivates the creation of a…

Instrumentation and Methods for Astrophysics · Physics 2024-02-02 Johanna Casado , Wanda Diaz-Merced , Beatriz García

The amount of collected data in many scientific fields is increasing, all of them requiring a common task: extract knowledge from massive, multi parametric data sets, as rapidly and efficiently possible. This is especially true in astronomy…

This work explores the use of big data technologies deployed in the cloud for processing of astronomical data. We have applied Hadoop and Spark to the task of co-adding astronomical images. We compared the overhead and execution time of…

Instrumentation and Methods for Astrophysics · Physics 2017-04-03 Ivan Kolosov , Sergey Gerasimov , Alexander Meshcheryakov

We present a Python tool to generate a standard dataset from solar images that allows for user-defined selection criteria and a range of pre-processing steps. Our Python tool works with all image products from both the Solar and…

Solar and Stellar Astrophysics · Physics 2021-08-17 Carl Shneider , Andong Hu , Ajay K. Tiwari , Monica G. Bobra , Karl Battams , Jannis Teunissen , Enrico Camporeale
‹ Prev 1 3 4 5 6 7 10 Next ›