Census of the Galaxy: Challenges for Photometry and Spectrometry with GAIA - Proceedings of the Workshop held in Vilnius, Lithuania 2-6 July 2001 (Hardcover, 2002 ed.)

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."

General

Imprint:	Springer-Verlag New York
Country of origin:	United States
Release date:	June 2002
First published:	2002
Editors:	Vladas Vansevicius • Arunas Kucinskas • Jokubas Sudzius
Dimensions:	235 x 155 x 12mm (L x W x T)
Format:	Hardcover
Pages:	194
Edition:	2002 ed.
ISBN-13:	978-1-4020-0596-1
Categories:	Books > Science & Mathematics > Astronomy, space & time > Observatories, equipment & methods Promotions
LSN:	1-4020-0596-2
Barcode:	9781402005961

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