Titlebook: Census of the Galaxy: Challenges for Photometry and Spectrometry with GAIA; Proceedings of the W Vladas Vansevičius,Arūnas Kučinskas,Jokūba

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igned as an as­ trometry mission, but the use of a photon counting detector made it possible to produce very important photometric results: the most accurate astronomical pho­ tometry ever by the main Hipparcos mission in a very broad band of 120000 stars, and the two-colour Tycho-2 photometry of 2.

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Patienten fachkundig begleiten und betreuenmust be deduced from the external sources. 3-D galactic models where the dust distribution is an integral part seems to be a viable solution. Some statistical information may be obtained even from a color vs. distance diagram.

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https://doi.org/10.1007/978-3-642-41812-9istances and for different directions in the Galaxy. The results of this study allow to select the best models for particular distances and directions. They also make it possible to propose a synthesized model describing the interstellar extinction.

Redundant

Systematic Errors of High-Precision Photometric Cataloguesdes. The systematic errors are supposed to be bound up with the sky scanning procedure on the Hipparcos satellite. Polynomials in powers of coordinates have been proposed to take into account the systematic errors. 6558 stars have been found to be appropriate high-precision photometric standards.

HAIL

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A Synthetic Map of the Galactic Interstellar Extinctionistances and for different directions in the Galaxy. The results of this study allow to select the best models for particular distances and directions. They also make it possible to propose a synthesized model describing the interstellar extinction.

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CLOWN

Basel: A Library of Synthetic Spectra and Colours for GAIAample of the GAIA targets. In this context, we describe one of the future developments of the BaSeL interactive web site to probe the GAIA photometric data: an automatic determination of atmospheric parameters from observed colours.

Valves

Japanese Astrometry Satellite Mission for Infrared Exploratione, JASMINE will also obtain photometry of stars in . and .-bands. The main objective of JASMINE is to study the most fundamental structure and evolution of the disk and the bulge components of the Milky Way Galaxy.