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This paper provides a description of the Java software framework which has been constructed to run the Astrometric Global Iterative Solution for the Gaia mission. This is the mathematical framework to provide the rigid reference frame for…

Instrumentation and Methods for Astrophysics · Physics 2011-08-11 William O'Mullane , Uwe Lammers , Lennart Lindegren , Jose Hernandez , David Hobbs

This year marks the consolidation of Julia (https://julialang.org/), a programming language designed for scientific computing, as the first stable version (1.0) has been released, in August 2018. Among its main features, expressiveness and…

Instrumentation and Methods for Astrophysics · Physics 2018-12-05 Maurizio Tomasi , Mosè Giordano

Gaia is ESA's ambitious space astrometry mission the main objective of which is to astrometrically and spectro-photometrically map 1000 Million celestial objects (mostly in our galaxy) with unprecedented accuracy. The announcement of…

Gaia is an ambitious space astrometry mission of ESA with a main objective to map the sky in astrometry and photometry down to a magnitude 20 by the end of the next decade. While the mission is built and operated by ESA and an industrial…

Gaia is an ESA cornerstone mission, which was successfully launched December 2013 and commenced operations in July 2014. Within the Gaia Data Processing and Analysis consortium, Coordination Unit 7 (CU7) is responsible for the variability…

In a world demanding the best performance from financial investments, distributed applications occupy the first place among the proposed solutions. This particularity is due to their distributed architecture which is able to acheives high…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-04-28 Husam Alustwani , Jacques M. Bahi , Ahmed Mostefaoui , Michel Salomon

Gaia is a fully-approved all-sky astrometric and photometric survey due for launch in 2011. It will measure accurate parallaxes and proper motions for everything brighter than G=20 (ca. 10^9 stars). Its primary objective is to study the…

Astrophysics · Physics 2007-05-23 Coryn A. L. Bailer-Jones

The Gaia satellite, to be launched in 2012, will offer an unprecedented survey of the whole sky down to magnitude 20. The multi-epoch nature of the mission provides a unique opportunity to study variable sources with their astrometric,…

Solar and Stellar Astrophysics · Physics 2009-12-25 Laurent Eyer , Nami Mowlavi , Mihaly Varadi , Maxime Spano , Isabelle Lecoeur-Taibi , Gisella Clementini

The ESA Gaia mission will provide a multi-epoch database for a billion of objects, including variable objects that comprise stars, active galactic nuclei and asteroids. We highlight a few of Gaia's properties that will benefit the study of…

Solar and Stellar Astrophysics · Physics 2015-05-20 Laurent Eyer , Maria Suveges , Pierre Dubath , Nami Mowlavi , Claudia Greco , Mihaly Varadi , Dafydd W. Evans , Paul Bartholdi

Gaia is a cornerstone mission of the European Space Agency (ESA) selected in 2000, with a target launch date of 2011. The Gaia mission will perform a survey of about 1 billion sources brighter than V=20. Its goal is to provide astrometry…

Astrophysics · Physics 2010-12-09 Laurent Eyer

JPARSEC is a Java library initially developed to implement a complete set of algorithms to compute ephemerides. The project started twelve years ago and soon evolved to also cover astrophysical modelling and outreach. JPARSEC itself…

Instrumentation and Methods for Astrophysics · Physics 2018-06-29 Tomás Alonso-Albi

The Gaia mission started its regular observing program in the summer of 2014, and since then it is regularly obtaining observations of asteroids. This paper draws the outline of the data processing for Solar System objects, and in…

Quasars are often considered to be point-like objects. This is largely true and allows for an excellent alignment of the optical positional reference frame of the ongoing ESA mission Gaia with the International Celestial Reference Frame.…

Instrumentation and Methods for Astrophysics · Physics 2018-09-07 Tomaž Zwitter

The rapid and widespread adoption of Java has created a demand for reliable and reusable mathematical software components to support the growing number of compute-intensive applications now under development, particularly in science and…

Mathematical Software · Computer Science 2007-05-23 Ronald F. Boisvert , Jack J. Dongarra , Roldan Pozo , Karin Remington , G. W. Stewart

ESA Gaia mission is producing the more accurate source catalogue in astronomy up to now. That represents a challenge on the archiving area to make accessible this information to the astronomers in an efficient way. Also, new astronomical…

Gaia is an all sky, high precision astrometric and photometric satellite of the European Space Agency (ESA) due for launch in 2010-2011. Its primary mission is to study the composition, formation and evolution of our Galaxy. Gaia will…

Astrophysics · Physics 2009-11-10 C. A. L. Bailer-Jones

Gaia is a major European Space Agency (ESA) astrophysics mission designed to map and analyse 10$^9$ stars, ultimately generating more than 1 PetaByte of data products. As Gaia data becomes publicly available and reaches a wider audience,…

Instrumentation and Methods for Astrophysics · Physics 2016-12-07 Daniel Vagg , Derek O'Callaghan , Fionn Ó hÓgáin , Sheila McBreen , Lorraine Hanlon , David Lynn , William O'Mullane

The {\Gaia} astrometric mission was approved by the European Space Agency in 2000 and the construction of the spacecraft and payload is on-going for a launch in late 2012. {\Gaia} will continuously scan the entire sky for 5 years, yielding…

Instrumentation and Methods for Astrophysics · Physics 2011-06-01 C. Jordi

Gaia is a very ambitious mission of the European Space Agency. At the heart of Gaia lie the measurements of the positions, distances, space motions, brightnesses and astrophysical parameters of stars, which represent fundamental pillars of…

Instrumentation and Methods for Astrophysics · Physics 2013-03-05 L. Eyer , B. Holl , D. Pourbaix , N. Mowlavi , C. Siopis , F. Barblan , D. W. Evans , P. North

Scripting languages are becoming more and more important as a tool for software development, as they provide great flexibility for rapid prototyping and for configuring componentware applications. In this paper we present LuaJava, a…

Software Engineering · Computer Science 2007-05-23 Carlos Cassino , Roberto Ierusalimschy , Noemi Rodriguez
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