Statistics – Computation
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iauss...1e..20w&link_type=abstract
Astronomical Facilities of the Next Decade, 26th meeting of the IAU, Special Session 1, 16-17 August, 2006 in Prague, Czech Repu
Statistics
Computation
Scientific paper
We describe how the Virtual Observatory (VO) projects in Europe, the USA, Japan, and elsewhere (see http://www.ivoa.net) are meeting the challenge of providing simple and efficient access to the data from the world's observational facilities, together with applications and computational resources required to support the analysis of this data. Science drivers from major new astronomical missions are helping to define the development of the VO. Scientifically this is in terms of developing systems able to meet the demands of the main science programmes shaping these facilities. Technically, VOs must be able to handle the large data streams from the these new complex multiplexed instruments and provide access to applications required to analyse/ interpret the data (e.g. statistical packages, spectral synthesis codes, cosmological simulations). Organisationally, the VOs must enable the effective distribution of new facility data to the global community. Conversely, the rapid development of the Virtual Observatory, offers opportunities for major new projects. This could be in: the design of their down stream data flow systems; in terms of opening up access to 'real-time' availability of ancillary data flows (for instance important in terms of responding to real time alerts (e.g. GRBs)); in multi-wavelength observational programmes (e.g. stellar populations in local and distant galaxies). We describe the UK's AstroGrid VO service (http://www.astrogrid.org), as an example of a current VO implementation, noting how it is configured to support a wide range of on-line astronomy data discovery, processing, analysis and interpretation needs. We highlight examples of current usage supporting science programmes ranging from the analysis of deep survey fields (e.g. galaxy formation), to studies of our Sun (e.g. investigating the physics of solar active regions).
Dalla Silvia
Gonzalez-Solares Eduardo
Richards Anita M. S.
Tedds Jonathan A.
Walton Nic A.
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