ALHAMBRA opens its archive with more than half a million objects



The Center for Astrobiology (CSIC-INTA), through the Observatory project Virtual Español, is responsible for the development and management of the ALHAMBRA data file.

From 2005 to 2012, the ALHAMBRA project (Advance Large Homogeneous Area Medium Band Redshift Astronomical ) has made from the Observatorio de Calar Alto (Almería) thousands of observations in different ranges of the electromagnetic spectrum of eight regions of the sky of high interest for extragalactic astrophysics. This map, which covers a fraction of the sky equivalent to 20 times the area of ​​the full moon, has identified and characterized hundreds of thousands of galaxies which has allowed us to reconstruct the evolution of the universe during the last ten billion years. Likewise, the observations of ALHAMBRA cover large areas of our galaxy which will allow us to explore different aspects of the cosmic history of the Milky Way.

All this information, of incalculable scientific value, constitutes a unique legacy that demands the development of archiving systems to ensure optimal exploitation of the full potential of these data.

The Virtual Observatory (VO) is an international initiative whose objective is to optimize exploitation scientific information in the astronomical archives. The Spanish Virtual Observatory (SVO) was established in June 2004 with the purpose of coordinating VO activities in Spain and serving as a link with other international VO activities. The SVO project is coordinated from the Astrobiology Center (CAB, CSIC-INTA), in Madrid.

The fact that the ALHAMBRA file is part of the Virtual Observatory will allow an easy and efficient comparison with data from other astronomical archives distributed throughout the world (Figure 1). It is also worth noting that the ALHAMBRA archive is freely accessible, which implies that the whole society, not only professional astronomers, but also researchers from other disciplines, amateur astronomers, educators and the general public, will be able to make use of it. of the data.


Enrique Solano Márquez, Principal Investigator of the Spanish Virtual Observatory Project and Head of the Data Archive Unit of the CAB < / p>

Scientific Culture Unit of the CAB: Luis Cuesta


Fuente: UCC-CAB

Fecha: 2013-11-15


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