By Roberto Trotta (auth.), Luis Manuel Sarro, Laurent Eyer, William O'Mullane, Joris De Ridder (eds.)
This quantity presents an outline of the sector of Astrostatistics understood because the sub-discipline devoted to the statistical research of astronomical info. It offers examples of the applying of a number of the methodologies now on hand to present open matters in astronomical learn. The technical features on the topic of the medical research of the approaching petabyte-scale databases are emphasised given the significance that scalable wisdom Discovery options could have for the complete exploitation of those databases.
Based at the 2011 Astrostatistics and information Mining in huge Astronomical Databases convention and college, this quantity gathers examples of the paintings by way of prime authors within the components of Astrophysics and facts, together with an important contribution from some of the groups that ready for the processing and research of the Gaia information.
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Extra resources for Astrostatistics and Data Mining
1 Selection of Candidate Globular Clusters This problem is just a variety of the traditional star/galaxy, resolved/unresolved object separation that, in the data miner’s language, translates into a supervised classification problem. The identification of GCs in external galaxies usually requires the use of wide-field, multiband photometry since, in galaxies located more than a few megaparsecs away, they appear as unresolved sources in ground-based astronomical images and are hardly distinguishable from background galaxies.
1. Science from Gaia: How to Deal with a Complex Billion-Source... 21 3 A Model of Our Galaxy to Explain the Gaia Catalogue The main science driver for Gaia is the unravelling of the structure and formation history of the Milky Way. The Gaia catalogue can of course be used to carry out straightforward studies of specific Galactic components (thin and thick disks, bulge, bar, halo) in order to characterize them to high precision. However, with the opportunities provided by Gaia we should be much more ambitious.
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Astrostatistics and Data Mining by Roberto Trotta (auth.), Luis Manuel Sarro, Laurent Eyer, William O'Mullane, Joris De Ridder (eds.)