The Design of Multi-Index System on UCAC2 Catalog

Jing Chang Pan; Hong Hui Shao; Xiao Long Li

doi:10.4028/www.scientific.net/AMM.84-85.326

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 84-85The Design of Multi-Index System on UCAC2 Catalog

The Design of Multi-Index System on UCAC2 Catalog

Abstract:

Catalog is a celestial databank which records various parameters, such as location, motion, magnitude, and spectral type. UCAC2 (The Second U.S. Naval Observatory CCD Astrograph Catalog) is a high density, highly accurate, astrometric catalog of 48,330,571 stars. Currently the UCAC2 catalog can only be accessed by an index of ascension and declination. To facilitate the efficient multi-dimensional access to UCAC2, this paper proposed the detailed design and implementation of the multi-indexed catalog database. The newly established index system can provide efficient access in multiple entrance to the catalog.

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Periodical:

Applied Mechanics and Materials (Volumes 84-85)

Pages:

326-331

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.84-85.326

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Online since:

August 2011

Authors:

Jing Chang Pan, Hong Hui Shao, Xiao Long Li

Keywords:

Catalog, Multi-Index, Multi-Thread, UCAC2

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References

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