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The Virtual Observatory in planetology, two scientific use cases: Asteroids and exoplanets

Abstract : Searching with a "naked eye" in a planetary data archive takes a considerable time. This work must be done in an automatic way. However, the planetary data archive is subject to a constant change (new elements, new version of analysis, new parameters). Furthermore, there are several archives for a same object, thus, obtaining reliable information requires a sequential search of several different archives. Workflows developed in the frame of the virtual observatories (VO), can use all collections of integrated astronomical data archives and software tools that utilize computer networks to create an environment in which research can be conducted. Several countries have initiated national virtual observatory programs that combine existing databases from ground-based and orbiting observatories and make them easily accessible to researchers. As a result, data from all the world's major observatories will be available to all users and to the public. This is significant not only because of the immense volume of astronomical data but also because the data on stars and galaxies has been compiled from observations in a variety of wavelengths - optical, radio, infrared, gamma ray, X-ray and more. In a virtual observatory environment, all of this data is integrated so that it can be synthesized and used in a given study. In this paper, we show how to develop a workflow using a selection of the virtual observatory tools in the case of two hot topics: asteroids and exopanets (51 Peg b).
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Submitted on : Wednesday, February 15, 2012 - 6:21:25 PM
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Alain Sarkissian, Emmanuel Arzoumanian, Areg Mickaelian, Jerome Berthier, William Thuillot, et al.. The Virtual Observatory in planetology, two scientific use cases: Asteroids and exoplanets. "Fifty years of Cosmic Era: Real and Virtual Studies of the Sky", Proceedings of the Conference of Young Scientists of CIS Countries, Nov 2011, Yerevan, Armenia. pp.56-64. ⟨hal-00670690⟩



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