Large astronomical catalog management for telescope operations

Andrea Baruffolo; Leopoldo Benacchio

doi:10.1117/12.316497

3 July 1998 Large astronomical catalog management for telescope operations

Andrea Baruffolo, Leopoldo Benacchio

Proceedings Volume 3349, Observatory Operations to Optimize Scientific Return; (1998) https://doi.org/10.1117/12.316497
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

Large astronomical catalogues containing from a million up to hundreds of millions records are currently available, even larger catalogues will be released in the near future. They will have an important operational role since they will be used throughout the observing cycle of next generation large telescopes, for proposal and observation preparation, telescope scheduling, selection of guide stars, etc. These large databases pose new problems for fast and general access. Solutions based on custom software or on customized versions of specific catalogues have been proposed, but the problem will benefit from a more general database approach. While traditional database technologies have proven to be inadequate for this task, new technologies are emerging, in particular that of Object Relational DBMSs, that seem to be suitable to solve the problem. In this paper we describe our experiences in experimenting with ORDBMSs for the management of large astronomical catalogues. We worked especially on the database query language and access methods. In the first field to extend the database query language capabilities with astronomical functionalities and to support typical astronomical queries.In the second, to speed up the execution of queries containing astronomical predicates.

Citation Download Citation

Andrea Baruffolo and Leopoldo Benacchio "Large astronomical catalog management for telescope operations", Proc. SPIE 3349, Observatory Operations to Optimize Scientific Return, (3 July 1998); https://doi.org/10.1117/12.316497

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KEYWORDS

Astronomy

Databases

Data modeling

Telescopes

Astronomical telescopes

Large telescopes

Observatories

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