Datatype: APM

APM stands for absolute proper motion. It was first designed to collected proper motions for Hyades stars, but will contains Hipparcos data.

Record structure

No:Star number
Ref:Data source
MuAlf:Proper motion in RA [mas/yr]
MuDel:Proper motion in Dec [mas/yr]
ErrA:Error on Mu Alpha [mas/yr]
ErrD:Error on Mu Delta [mas/yr]

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Last Update: 21 October 2003