How to extract knowledge from millions of data?



Astronomical archives store millions of observations that are the key to the discovery of new celestial objects. With the aim of helping European astronomers to use all this information efficiently, the ASTERICS project organizes a Virtual Observatory school in the Astrobiology Center (CSIC-INTA ) from 15 to 17 December 2015 . It is a project financed by the European Union with 15 million euros and formed by a consortium of 22 members. Within ASTERICS, the Astrobiology Center is responsible for the development of research projects within the framework of the Virtual Observatory (VO), an environment that allows to address challenges that were unthinkable in the past.

The current generation of astronomical observatories, with an unprecedented size and complexity, is producing an avalanche of data that is difficult to process. This avalanche will become a true deluge when the future generation of telescopes prioritized by ESFRI (European Strategic Forum on Research Infrastructures) begins to work. The ASTERICS project aims to create a collaborative work environment that allows finding solutions to problems common to all of them. The efficient planning of the observations to be made, the access to the data, the interoperability with other resources and astronomical files, and the problems of extraction of knowledge from the observations are some of the challenges that ASTERICS will have to face during its four years of life.

The Virtual Observatory is the international initiative that allows the optimal scientific exploitation of the enormous amount of data available in the astronomical archives. It not only allows you to discover and access information of interest, but also provides analysis tools to extract knowledge from the data. Thus, an easy and efficient access to them allows the discovery of objects that suddenly change brightness, the comparison of images observed at different times or the identification of objects with peculiar movements.

The main objective of this course is to train European astronomers in the use and operation of the main tools and services of the Virtual Observatory currently available, so that they can later use them in their own projects. investigation. Also, participants can describe their experiences with these tools proposing possible improvements to them. Eleven experts are responsible for training the 43 assistant astronomers, from 12 European countries, in the field of OV, using real scientific cases.


Fuente: UCC-CAB

Fecha: 2015-12-16


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