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Astrogrid Web>DocStore>OntologyDocs>BrownDwarfsforRegistry>BrownDwarfRegistryRequirements>BrownDwarfMetadataList>ProperMotion>DopplerVelocity (2003-04-24, AnitaRichards)EditAttach
Astrogrid Web>DocStore>OntologyDocs>BrownDwarfsforRegistry>BrownDwarfRegistryRequirements>BrownDwarfMetadataList>ProperMotion>DopplerVelocity (2003-04-24, AnitaRichards)EditAttach
Doppler velocity
Velocity measured from the Doppler shift of spectral lines. This is the velocity along the line of sight, orthogonal to ProperMotion. It is usually given in km/s. The Doppler velocity can be inferred for e.g. stars which are too faint to take suitable spectra, but which are members of a cluster for which the Doppler velocity is known from brigher stars.
-- AnitaRichards - 24 Apr 2003
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Topic revision: r1 - 2003-04-24 - 19:01:07 - AnitaRichards
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