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Astrometric Tests of Galactic Evolution

Published online by Cambridge University Press:  07 August 2017

Gerard Gilmore
Gerard Gilmore*
Affiliation:
Institute of Astronomy, Madingley Rd, Cambridge, UK [email protected]

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There are many fundamental aspects of Galactic structure and evolution which can be studied best or exclusively with high quality three dimensional kinematics. Amongst these we note as examples determination of the orientation of the stellar velocity ellipsoid, and the detection of structure in velocity-position phase space. The first of these is the primary limitation at present to reliable and accurate measurement of the Galactic gravitational potential. The second is a critical test of current standard models of Galactic formation and evolution.

Type
2. Current and Future Needs for Very Accurate Astrometry
Information
Symposium - International Astronomical Union , Volume 166: Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astrometry , 1995 , pp. 251 - 258
Copyright
Copyright © Kluwer 1995 

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