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Three-dimensional motion of dwarf stars and RR Lyrae variables

Authors: H. Saio; Y. Yoshii;

Three-dimensional motion of dwarf stars and RR Lyrae variables

Abstract

A collection of 220 high-velocity dwarfs, 532 low-velocity dwarfs, and 114 RR Lyrae variables is given in tables with calculations of kinematical quantities in a three-dimensional model of galactic space. A metal indicator, Delta-S, for RR Lyrae variables is transformed into the ultraviolet excess, delta (0.6), which is utilized for a statistical study of kinematics under the same metallicity classification. It is found that the primordial Galaxy contracted by a factor of at least 20 in the radial direction as compared to at least 50 in the Z direction.

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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Average
Top 10%
Average
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