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" Census of the Galaxy: Challenges for Photometry and Spectrometry with GAIA "
edited by Vladas Vansevičius, Arūnas Kučinskas, Jokūbas Sūdžius.
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BL
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579506
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b408725
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| Main Entry
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Vansevičius, Vladas.
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Census of the Galaxy: Challenges for Photometry and Spectrometry with GAIA : Proceedings of the Workshop held in Vilnius, Lithuania 2-6 July 2001 /\ edited by Vladas Vansevičius, Arūnas Kučinskas, Jokūbas Sūdžius.
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| Publication Statement
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Dordrecht :: Springer Netherlands :: Imprint: Springer,, 2002.
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| ISBN
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9789401003612
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: 9789401039116
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| Contents
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GAIA: An astrometric and photometric survey of our galaxy -- GAIA: Photometry -- GAIA photometry: Selected topics -- Determination of stellar parameters with GAIA -- GAIA photometric system: Evaluation of performance -- GAIA photometric system: Simultaneous 4-D parameterization -- GAIA photometric system: Simulation of photometric observations -- The spectro point spread function for GAIA -- On the tolerances of filters for GAIA medium band photometric system -- Bandwidth effects in the 3G photometric system -- Transformations between Vilnius and Strömgren photometric systems -- Systematic errors of high-precision photometric catalogues -- The Asiago Database on Photometric Systems (ADPS) and the design of the GAIA photometric system -- BaSeL: A library of synthetic spectra and colours for GAIA -- Japanese astrometry satellite mission for infrared exploration -- GAIA: Astrophysical Issues -- Methods to account for interstellar extinction -- 3-D structure of the galactic interstellar matter: A contribution from GAIA -- A synthetic map of the galactic interstellar extinction -- Diffuse interstellar band at 862 nm as a reddening tracer for GAIA -- GAIA and population II visual binaries -- Unresolved binaries and the initial mass function -- Binary star detection with the GAIA radial velocity spectrometer -- Detection of extra-solar planets by GAIA photometry -- ?-Process elements in the galaxy: A possible GAIA contribution -- Asymptotic giant branch stars as tracers of star formation histories: the GAIA context -- Globular clusters in the large magellanic cloud: An impact from GAIA photometry -- GAIA and the extragalactic distance scale -- Discussion -- Ground based testing of the GAIA filters -- General discussion and photometric system for GAIA.
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| Abstract
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Astrometry from space was performed for the first time and with great success by the ESA Hipparcos satellite (1989-93). This mission was designed 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 2.5 million stars. The cornerstone ESA mission GAIA was approved in October 2000 for launch not later than 2012. This mission will use CCDs in time-delayed integration mode instead of the photo-cathode detectors used in Hipparcos. Due to the higher quantum efficiency of the CCDs, simultaneous integration of many stars, and larger tele scope apertures GAIA will utilize the star light a million times more efficiently than Hipparcos, resulting in astrometry and multi-colour photometry for one billion stars. GAIA photometry is crucial for the scientific utilization of the astrometric results, and the photometric data have a high scientific content in themselves.
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Physics.
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Kučinskas, Arūnas.
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Sūdžius, Jokūbas.
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SpringerLink (Online service)
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