From 2008 the German-Spanish Astronomical Centre (CAHA) and the Centre for Astrobiology (CAB, dependent on the Spanish Higher Council for Scientific Research, CSIC, and the National Institute for Aerospace Technology, INTA) have been designing, developing and implementing all the infrastructure needed for such a demanding service as a scientific data archiving system.
Calar Alto archives will make the data universally accessible after the initial reserve period for the authors of the observing proposals. This means that all the society (and not only professional astronomers, but also researchers from other fields, amateur astronomers, educators and general public) will be able to use the deep richness produced thanks to the exceptional sky and the outstanding telescopes and instruments of Calar Alto.
The system is made from two pieces, one placed at the Observatory itself and another located at CAB.
The staff of the German-Spanish Astronomical Centre has fully developed the system placed at Calar Alto. This archive gets the images, put them at CAB disposal, and offers all publicable images (without a previous advanced processing) to all the society through the next link:
The system placed at the Center for Astrobiology performs a series of tasks on the observational data to guarantee they satisfy all the requirements of the Virtual Observatory standards (VO). These data are accessible by all the society following the next link:
The project has been partially funded by the Ministery for Science and Education through the R+D+i 2008-2009 National Plan, and through the National Plan for Singular Scientific-Technical Facilities (ICTS).
Additionally, the Calar Alto Legacy Integral Field Area (CALIFA) survey is an ongoing project with the aim of exploring the full optical extension of 600 galaxies in the Local Universe using PMAS/PPAK at the 3.5m of Calar Alto. Currently it has delivered the third Data Release (11th of April 2016), that comprises 100 objects, observed in two setups (V500 and V1200). For more details on these data and how to access them visit the CALIFA DR webpage.