Virtual organizations in astronomy and beyond. Tblisi, March 28-30 2007. Prof. Giuseppe Longo Chair of Astrophysics - Department of Physical Sciences University of Napoli Federico II – Italy National Institute of Astrophysics – Napoli Unit [email protected] http://people.na.infn.it/~longo/.
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Total area of 3m+ telescopes in the world in m2, total number of CCD pixels in Megapix, as a function of time. Growth over 25 years is a factor of 30 in glass, 3000 in pixels.
Astronomy, more than other sciences is facing a Major Data Avalanche ( … a true tsunami…)
Large survey projects from ground and from space
(past, ongoing, future)
Distributed data repositoriesData are not where the users are PetaBytes of data / week
Data federation of MDS
Adoption of standards and common onthologies
Massive numerical simulationsDistributed computing (PB per simulation)
Data analysis and interpretation
Need for a new generation of tools (A.I. based) capable to work in a distributed environment
International Virtual Observatory Alliance
Federation of existing and new databases through adoption of common standards Network access to the databases
What are some of the goals of VO’s
VO are the most democratic tool ever implemented by any scientific community.
VLT Survey Telescope(Napoli,ESO)P.I: Prof. M. Capaccioli
2.5 m diameter - OPTICAL1x1 sq deg f.o.v.16 k x 16k CCD mosaic (optical)
New technologyAdaptive optics
0.2 arcsec psf
Operational end 2007
100 GB raw data/night
Nobel laureate R. Giacconi visiting VST factory
French – Netherlands – Italy consortium
16 k x 16 k array CCd mosaic
Data processing pipeline
European FP6 network ASTROWISE
Real time storage and processing of the VST data
512 +15 + 24 + 16 + 128 nodes
150 TB storage
(IBM, DEC - Alpha, etc.)
16 GBaud optical fibers backbone
Recently evolved intoPON - SCOPE
3.6 M€ (8.2 M€ total) for Hardware (512 boards with 4 CPU’s)
Financed by Italian Government
Operational end 2007
Building Data Mining and Visualization for Massive Data Sets in a Distributed Environment
What is being done in Napoli 4 – The Data mining
Draco Projectbuilding the GRID infrastructure for the Italian VO400 k€ - MIUR
Cost- Action 283 EU
Euro – VO, VO-Tech European Virtual Observatory Technological Infrastructures
European Infrastructures for VO (UK, D, I, F, etc.) 6.6 M€ - EU
Parameter space of incredibly high dimensionality (N>>100)
Crab Nebula: SN 1054 a.C.
Selection of quasar candidates from a 3 band photometric survey
Nichol et al. 2001
Slide courtesy of Robert Brunner @ CalTech.
VO- NeuralProbabilistic Principal Surfaces Negative ENtropy Clustering + Dendrogram
Multiwavelenght – multiepoch – multinstrument data (federation of databases) hence there is a strong need for a new generation of data processing, data visualization and data-mining tools
THESE TOOLS ARE OF WIDE APPLICATION: bioinformatics, geophysics (environment, stratigraphy, etc.), business (stock market, marketing strategies, etc.). Therefore interdisciplinarity is a must!
We (UK, F, I, D, USA, India) intend to pursue the above tasks using the following instruments:
National funds and private companies
EU funds through new COST Action and ITN
Eventually through RI
US funds through NSF
Conferences and Schools for young students (dissemination is CRUCIAL)
NEW POTENTIAL PARTNERS ARE ENCOURAGED TO CONTACT ME: [email protected]
Plate or digital archives of astronomical dataOther types of scientific dataAdvanced programming and mathematical know-how’s